ChapterID int64 1 29 | ChapterTitle stringclasses 28
values | Domain stringclasses 7
values | QID int64 1 9 | FullQuestion stringlengths 98 927 | Question stringlengths 54 474 | Choices stringlengths 19 514 | Answer stringclasses 23
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|---|---|---|---|---|---|---|---|
15 | Subnet Design | IPv4 Addressing | 4 | An engineer has calculated the list of subnet IDs, in consecutive order, for network 172.30.0.0, assuming that the /22 mask is used throughout the network. Which of the following are true? (Choose two answers.)
A. Any two consecutive subnet IDs differ by a value of 22 in the third octet.
B. Any two consecutive subnet I... | An engineer has calculated the list of subnet IDs, in consecutive order, for network 172.30.0.0, assuming that the /22 mask is used throughout the network. Which of the following are true? (Choose two answers.) | A. Any two consecutive subnet IDs differ by a value of 22 in the third octet.
B. Any two consecutive subnet IDs differ by a value of 16 in the fourth octet.
C. The list contains 64 subnet IDs.
D. The last subnet ID is 172.30.252.0. | CD |
15 | Subnet Design | IPv4 Addressing | 5 | Which of the following are valid subnet IDs for private network 192.168.9.0, using mask /29, assuming that mask /29 is used throughout the network?
A. 192.168.9.144
B. 192.168.9.58
C. 192.168.9.242
D. 192.168.9.9 | Which of the following are valid subnet IDs for private network 192.168.9.0, using mask /29, assuming that mask /29 is used throughout the network? | A. 192.168.9.144
B. 192.168.9.58
C. 192.168.9.242
D. 192.168.9.9 | A |
15 | Subnet Design | IPv4 Addressing | 6 | Which of the following is not a valid subnet ID for private network 172.19.0.0, using mask /24, assuming that mask /24 is used throughout the network?
A. 172.19.0.0
B. 172.19.1.0
C. 172.19.255.0
D. 172.19.0.16 | Which of the following is not a valid subnet ID for private network 172.19.0.0, using mask /24, assuming that mask /24 is used throughout the network? | A. 172.19.0.0
B. 172.19.1.0
C. 172.19.255.0
D. 172.19.0.16 | D |
16 | Operating Cisco Routers | IPv4 Routing | 1 | Which operating systems run on Cisco enterprise routers and use a CLI that works much like the CLI on Cisco LAN switches? (Choose two answers.)
A. CatOS
B. IOS
C. Windows
D. IOS XE | Which operating systems run on Cisco enterprise routers and use a CLI that works much like the CLI on Cisco LAN switches? (Choose two answers.) | A. CatOS
B. IOS
C. Windows
D. IOS XE | BD |
16 | Operating Cisco Routers | IPv4 Routing | 2 | Which action would you expect to be true of a router CLI interaction that is not true when configuring a LAN switch that performs only Layer 2 switching functions?
A. Moving from global to physical interface configuration mode
B. Configuring an IP address in physical interface configuration mode
C. Configuring a 10/100... | Which action would you expect to be true of a router CLI interaction that is not true when configuring a LAN switch that performs only Layer 2 switching functions? | A. Moving from global to physical interface configuration mode
B. Configuring an IP address in physical interface configuration mode
C. Configuring a 10/100/1000 port’s settings related to speed and autonegotiation
D. Configuring a console password | B |
16 | Operating Cisco Routers | IPv4 Routing | 3 | Which answers list a task that could be helpful in making a router interface G0/0 ready to route packets? (Choose two answers.)
A. Configuring the ip address address mask command in G0/0 configuration mode
B. Configuring the ip address address and ip mask mask commands in G0/0 configuration mode
C. Configuring the no s... | Which answers list a task that could be helpful in making a router interface G0/0 ready to route packets? (Choose two answers.) | A. Configuring the ip address address mask command in G0/0 configuration mode
B. Configuring the ip address address and ip mask mask commands in G0/0 configuration mode
C. Configuring the no shutdown command in G0/0 configuration mode
D. Setting the interface description in G0/0 configuration mode | AC |
16 | Operating Cisco Routers | IPv4 Routing | 4 | The output of the show ip interface brief command on R1 lists interface status codes of “down” and “down” for interface GigabitEthernet 0/0. The interface connects to a LAN switch with a UTP straight-through cable. Which of the following could be true?
A. The shutdown command is currently configured for router interfac... | The output of the show ip interface brief command on R1 lists interface status codes of “down” and “down” for interface GigabitEthernet 0/0. The interface connects to a LAN switch with a UTP straight-through cable. Which of the following could be true? | A. The shutdown command is currently configured for router interface G0/0.
B. The shutdown command is currently configured for the switch interface on the other end of the cable.
C. The router was never configured with an ip address command on the interface.
D. The router was configured with the no ip address command. | B |
16 | Operating Cisco Routers | IPv4 Routing | 5 | Which of the following commands list the IP address but not the subnet mask of an interface?
A. show running-config
B. show protocols type number
C. show ip interface brief
D. show interfaces | Which of the following commands list the IP address but not the subnet mask of an interface? | A. show running-config
B. show protocols type number
C. show ip interface brief
D. show interfaces | C |
16 | Operating Cisco Routers | IPv4 Routing | 6 | Which of the following is different on the Cisco switch CLI for a Layer 2 switch as compared with the Cisco router CLI?
A. The commands used to configure simple password checking for the console
B. The number of IP addresses configured
C. The configuration of the device’s hostname
D. The configuration of an interface d... | Which of the following is different on the Cisco switch CLI for a Layer 2 switch as compared with the Cisco router CLI? | A. The commands used to configure simple password checking for the console
B. The number of IP addresses configured
C. The configuration of the device’s hostname
D. The configuration of an interface description | B |
17 | Configuring IPv4 Addresses and Static Routes | IPv4 Routing | 1 | Router R1 lists a route in its routing table. Which of the following answers list a fact from a route that the router uses when matching the packet’s destination address? (Choose two answers.)
A. Mask
B. Next-hop router
C. Subnet ID
D. Outgoing interface | Router R1 lists a route in its routing table. Which of the following answers list a fact from a route that the router uses when matching the packet’s destination address? (Choose two answers.) | A. Mask
B. Next-hop router
C. Subnet ID
D. Outgoing interface | AC |
17 | Configuring IPv4 Addresses and Static Routes | IPv4 Routing | 2 | PC1 sends an IP packet to PC2. To do so, PC1 sends the packet to Router R1, which routes it to Router R2, which routes it to Router R3, which routes it to the final destination (PC2). All links use Ethernet. How many routers de-encapsulate the IP packet from an Ethernet frame during its journey from PC1 to PC2?
A. 0
B.... | PC1 sends an IP packet to PC2. To do so, PC1 sends the packet to Router R1, which routes it to Router R2, which routes it to Router R3, which routes it to the final destination (PC2). All links use Ethernet. How many routers de-encapsulate the IP packet from an Ethernet frame during its journey from PC1 to PC2? | A. 0
B. 1
C. 2
D. 3 | D |
17 | Configuring IPv4 Addresses and Static Routes | IPv4 Routing | 3 | After configuring a working router interface with IP address/mask 10.1.1.100/26, which of the following routes would you expect to see in the output of the show ip route command? (Choose two answers.)
A. A connected route for subnet 10.1.1.64 255.255.255.192
B. A connected route for subnet 10.1.1.0 255.255.255.0
C. A l... | After configuring a working router interface with IP address/mask 10.1.1.100/26, which of the following routes would you expect to see in the output of the show ip route command? (Choose two answers.) | A. A connected route for subnet 10.1.1.64 255.255.255.192
B. A connected route for subnet 10.1.1.0 255.255.255.0
C. A local route for host 10.1.1.100 255.255.255.192
D. A local route for host 10.1.1.100 255.255.255.255
E. A local route for host 10.1.1.64 255.255.255.255 | AD |
17 | Configuring IPv4 Addresses and Static Routes | IPv4 Routing | 4 | Which of the following pieces of information could be listed in a correct ip route command on a local router? (Choose two answers.)
A. The local router’s IP address on the link between the two routers
B. The next-hop router’s IP address on the link between the two routers
C. The next-hop router’s interface ID on the li... | Which of the following pieces of information could be listed in a correct ip route command on a local router? (Choose two answers.) | A. The local router’s IP address on the link between the two routers
B. The next-hop router’s IP address on the link between the two routers
C. The next-hop router’s interface ID on the link between the two routers
D. The local router’s interface ID on the link between the two routers | BC |
17 | Configuring IPv4 Addresses and Static Routes | IPv4 Routing | 5 | Which of the following commands correctly configures a static route?
A. ip route 10.1.3.0 255.255.255.0 10.1.130.253
B. ip route 10.1.3.0 serial 0
C. ip route 10.1.3.0 /24 10.1.130.253
D. ip route 10.1.3.0 /24 serial 0 | Which of the following commands correctly configures a static route? | A. ip route 10.1.3.0 255.255.255.0 10.1.130.253
B. ip route 10.1.3.0 serial 0
C. ip route 10.1.3.0 /24 10.1.130.253
D. ip route 10.1.3.0 /24 serial 0 | A |
17 | Configuring IPv4 Addresses and Static Routes | IPv4 Routing | 6 | A network engineer configures the ip route 10.1.1.0 255.255.255.0 s0/0/0 command on a router and then issues a show ip route command from enable mode. No routes for subnet 10.1.1.0/24 appear in the output. Which of the following could be true?
A. The ip route command has incorrect syntax and was rejected in config mode... | A network engineer configures the ip route 10.1.1.0 255.255.255.0 s0/0/0 command on a router and then issues a show ip route command from enable mode. No routes for subnet 10.1.1.0/24 appear in the output. Which of the following could be true? | A. The ip route command has incorrect syntax and was rejected in config mode.
B. Interface s0/0/0 is down.
C. The router has no up/up interfaces in Class A network 10.0.0.0.
D. The ip route command is missing a next-hop router IP address. | B |
18 | IP Routing in the LAN | IPv4 Routing | 1 | Router 1 has a Fast Ethernet interface 0/0 with IP address 10.1.1.1. The interface is connected to a switch. This connection is then migrated to use 802.1Q trunking. Which of the following commands could be part of a valid configuration for Router 1’s Fa0/0 interface, assuming the trunk uses VLAN 4 as one of the suppor... | Router 1 has a Fast Ethernet interface 0/0 with IP address 10.1.1.1. The interface is connected to a switch. This connection is then migrated to use 802.1Q trunking. Which of the following commands could be part of a valid configuration for Router 1’s Fa0/0 interface, assuming the trunk uses VLAN 4 as one of the suppor... | A. interface fastethernet 0/0.4
B. dot1q enable
C. dot1q enable 4
D. trunking enable
E. trunking enable 4
F. encapsulation dot1q 4 | AF |
18 | IP Routing in the LAN | IPv4 Routing | 2 | Router R1 has a router-on-a-stick (ROAS) configuration with two subinterfaces of interface G0/1: G0/1.1 and G0/1.2. Physical interface G0/1 is currently in a down/down state. The network engineer then configures a shutdown command when in interface configuration mode for G0/1.1 and a no shutdown command when in interfa... | Router R1 has a router-on-a-stick (ROAS) configuration with two subinterfaces of interface G0/1: G0/1.1 and G0/1.2. Physical interface G0/1 is currently in a down/down state. The network engineer then configures a shutdown command when in interface configuration mode for G0/1.1 and a no shutdown command when in interfa... | A. G0/1.1 will be in a down/down state.
B. G0/1.2 will be in a down/down state.
C. G0/1.1 will be in an administratively down state.
D. G0/1.2 will be in an up/up state. | BC |
18 | IP Routing in the LAN | IPv4 Routing | 3 | A Layer 3 switch has been configured to route IP packets between VLANs 1, 2, and 3 using SVIs, which connect to subnets 172.20.1.0/25, 172.20.2.0/25, and 172.20.3.0/25, respectively. The engineer issues a show ip route connected command on the Layer 3 switch, listing the connected routes. Which of the following answers... | A Layer 3 switch has been configured to route IP packets between VLANs 1, 2, and 3 using SVIs, which connect to subnets 172.20.1.0/25, 172.20.2.0/25, and 172.20.3.0/25, respectively. The engineer issues a show ip route connected command on the Layer 3 switch, listing the connected routes. Which of the following answers... | A. Interface Gigabit Ethernet 0/0.3
B. Next-hop router 172.20.2.1
C. Interface VLAN 2
D. Mask 255.255.255.0 | C |
18 | IP Routing in the LAN | IPv4 Routing | 4 | An engineer has successfully configured a Layer 3 switch with SVIs for VLANs 2 and 3 with autostate enabled by default. Hosts in the subnets using VLANs 2 and 3 can ping each other with the Layer 3 switch routing the packets. The next week, the network engineer receives a call that those same users can no longer ping e... | An engineer has successfully configured a Layer 3 switch with SVIs for VLANs 2 and 3 with autostate enabled by default. Hosts in the subnets using VLANs 2 and 3 can ping each other with the Layer 3 switch routing the packets. The next week, the network engineer receives a call that those same users can no longer ping e... | A. Six (or more) out of ten working VLAN 2 access ports failing due to physical problems
B. A shutdown command issued from interface VLAN 4 configuration mode
C. A no vlan 2 command issued from global configuration mode
D. A shutdown command issued from VLAN 2 configuration mode | CD |
18 | IP Routing in the LAN | IPv4 Routing | 5 | A LAN design uses a Layer 3 EtherChannel between two switches SW1 and SW2, with port-channel interface 1 used on both switches. SW1 uses ports G0/1, G0/2, G0/3, and G0/4 in the channel. Which of the following is true about SW1’s configuration to enable the channel to route IPv4 packets correctly? (Choose two answers.)
... | A LAN design uses a Layer 3 EtherChannel between two switches SW1 and SW2, with port-channel interface 1 used on both switches. SW1 uses ports G0/1, G0/2, G0/3, and G0/4 in the channel. Which of the following is true about SW1’s configuration to enable the channel to route IPv4 packets correctly? (Choose two answers.) | A. The ip address command must be on the port-channel 1 interface.
B. The ip address command must be on interface G0/1 (lowest numbered port).
C. The port-channel 1 interface must be configured with the no switchport command.
D. Interface G0/1 must be configured with the routedport command. | AC |
18 | IP Routing in the LAN | IPv4 Routing | 6 | A LAN design uses a Layer 3 EtherChannel between two switches: SW1 and SW2. An engineer adds SW1 port G0/1 to the channel successfully but later fails when adding SW1 port G0/2 to the channel. Which answers list a configuration setting on port G0/2 that would cause this issue? (Choose two answers.)
A. A different STP c... | A LAN design uses a Layer 3 EtherChannel between two switches: SW1 and SW2. An engineer adds SW1 port G0/1 to the channel successfully but later fails when adding SW1 port G0/2 to the channel. Which answers list a configuration setting on port G0/2 that would cause this issue? (Choose two answers.) | A. A different STP cost (spanning-tree cost value)
B. A different speed (speed value)
C. A default setting for switchport (switchport)
D. A different access VLAN (switchport access vlan vlan-id) | BC |
18 | IP Routing in the LAN | IPv4 Routing | 7 | A router has some routed and some switched physical ports. Which interface subcommands would you expect to be supported only on the switched ports?
A. The switchport access vlan vlan-id subcommand
B. The ip address address mask subcommand
C. The description text subcommand
D. The hostname name subcommand | A router has some routed and some switched physical ports. Which interface subcommands would you expect to be supported only on the switched ports? | A. The switchport access vlan vlan-id subcommand
B. The ip address address mask subcommand
C. The description text subcommand
D. The hostname name subcommand | A |
19 | IP Addressing on Hosts | IPv4 Routing | 1 | A PC connects to a LAN and uses DHCP to lease an IP address for the first time. Of the usual four DHCP messages that flow between the PC and the DHCP server, which ones does the client send? (Choose two answers.)
A. Acknowledgment
B. Discover
C. Offer
D. Request | A PC connects to a LAN and uses DHCP to lease an IP address for the first time. Of the usual four DHCP messages that flow between the PC and the DHCP server, which ones does the client send? (Choose two answers.) | A. Acknowledgment
B. Discover
C. Offer
D. Request | BD |
19 | IP Addressing on Hosts | IPv4 Routing | 2 | Which of the following kinds of information are part of a DHCP server configuration? (Choose two answers.)
A. Ranges of IP addresses in subnets that the server should lease
B. Ranges of IP addresses to not lease per subnet
C. DNS server hostnames
D. The default router IP and MAC address in each subnet | Which of the following kinds of information are part of a DHCP server configuration? (Choose two answers.) | A. Ranges of IP addresses in subnets that the server should lease
B. Ranges of IP addresses to not lease per subnet
C. DNS server hostnames
D. The default router IP and MAC address in each subnet | AB |
19 | IP Addressing on Hosts | IPv4 Routing | 3 | Which answers list a criterion for choosing which router interfaces need to be configured as a DHCP relay agent? (Choose two answers.)
A. If the subnet off the interface does not include a DHCP server
B. If the subnet off the interface does include a DHCP server
C. If the subnet off the interface contains DHCP clients
... | Which answers list a criterion for choosing which router interfaces need to be configured as a DHCP relay agent? (Choose two answers.) | A. If the subnet off the interface does not include a DHCP server
B. If the subnet off the interface does include a DHCP server
C. If the subnet off the interface contains DHCP clients
D. If the router interface already has an ip address dhcp command | AC |
19 | IP Addressing on Hosts | IPv4 Routing | 4 | A router connects to an Internet service provider (ISP) using its G0/0/0 interface, with the ip address dhcp command configured. What does the router do with the DHCP-learned default gateway information?
A. The router ignores the default gateway value learned from the DHCP server.
B. The router uses the default gateway... | A router connects to an Internet service provider (ISP) using its G0/0/0 interface, with the ip address dhcp command configured. What does the router do with the DHCP-learned default gateway information? | A. The router ignores the default gateway value learned from the DHCP server.
B. The router uses the default gateway just like a host, ignoring its routing table.
C. The router forwards received packets based on its routing table but uses its default gateway setting to forward packets it generates itself.
D. The router... | D |
19 | IP Addressing on Hosts | IPv4 Routing | 5 | In the following excerpt from a command on a Mac, which of the following parts of the output represent information learned from a DHCP server? (Choose two answers.)
A. 00:6d:e7:b1:9a:11
B. 172.16.4.2
C. 0xffffff00
D. 172.16.4.255 | In the following excerpt from a command on a Mac, which of the following parts of the output represent information learned from a DHCP server? (Choose two answers.) | A. 00:6d:e7:b1:9a:11
B. 172.16.4.2
C. 0xffffff00
D. 172.16.4.255 | BC |
19 | IP Addressing on Hosts | IPv4 Routing | 6 | Which of the following commands on a Windows OS should list both the host’s IP address and DNS servers’ IP addresses as learned with DHCP?
A. ifconfig
B. ipconfig
C. ifconfig /all
D. ipconfig /all | Which of the following commands on a Windows OS should list both the host’s IP address and DNS servers’ IP addresses as learned with DHCP? | A. ifconfig
B. ipconfig
C. ifconfig /all
D. ipconfig /all | D |
21 | Understanding OSPF Concepts | OSPF | 1 | Which of the following routing protocols uses link-state logic?
A. RIPv1
B. RIPv2
C. EIGRP
D. OSPF | Which of the following routing protocols uses link-state logic? | A. RIPv1
B. RIPv2
C. EIGRP
D. OSPF | D |
21 | Understanding OSPF Concepts | OSPF | 2 | Which of the following routing protocols use a metric that is, by default, at least partially affected by link bandwidth? (Choose two answers.)
A. RIPv1
B. RIPv2
C. EIGRP
D. OSPF | Which of the following routing protocols use a metric that is, by default, at least partially affected by link bandwidth? (Choose two answers.) | A. RIPv1
B. RIPv2
C. EIGRP
D. OSPF | CD |
21 | Understanding OSPF Concepts | OSPF | 3 | Which of the following interior routing protocols support VLSM? (Choose three answers.)
A. RIPv1
B. RIPv2
C. EIGRP
D. OSPF | Which of the following interior routing protocols support VLSM? (Choose three answers.) | A. RIPv1
B. RIPv2
C. EIGRP
D. OSPF | BCD |
21 | Understanding OSPF Concepts | OSPF | 4 | Two routers using OSPFv2 have become neighbors and exchanged all LSAs. As a result, Router R1 now lists some OSPF-learned routes in its routing table. Which of the following best describes how R1 uses those recently learned LSAs to choose which IP routes to add to its IP routing table?
A. R1 copies a route from every L... | Two routers using OSPFv2 have become neighbors and exchanged all LSAs. As a result, Router R1 now lists some OSPF-learned routes in its routing table. Which of the following best describes how R1 uses those recently learned LSAs to choose which IP routes to add to its IP routing table? | A. R1 copies a route from every LSA into its routing table.
B. R1 copies a route from certain types of LSAs into its routing table.
C. R1 runs SPF against the LSAs to calculate the routes.
D. R1 does not use the LSAs when choosing what routes to add. | C |
21 | Understanding OSPF Concepts | OSPF | 5 | Which of the following OSPF neighbor states is expected when the exchange of topology information is complete between two OSPF neighbors?
A. 2-way
B. Full
C. Up/up
D. Final | Which of the following OSPF neighbor states is expected when the exchange of topology information is complete between two OSPF neighbors? | A. 2-way
B. Full
C. Up/up
D. Final | B |
21 | Understanding OSPF Concepts | OSPF | 6 | A company has a small/medium-sized network with 15 routers and 40 subnets and uses OSPFv2. Which of the following is considered an advantage of using a single-area design as opposed to a multiarea design?
A. It reduces the CPU processing overhead on most routers.
B. It reduces the frequency of running the SPF algorithm... | A company has a small/medium-sized network with 15 routers and 40 subnets and uses OSPFv2. Which of the following is considered an advantage of using a single-area design as opposed to a multiarea design? | A. It reduces the CPU processing overhead on most routers.
B. It reduces the frequency of running the SPF algorithm due to interface status changes.
C. It allows for simpler planning and operations.
D. It reduces memory consumption. | C |
22 | Implementing Basic OSPF Features | OSPF | 1 | Which of the following network commands, following the command router ospf 1, enables OSPF on interfaces whose IP addresses are 10.1.1.1, 10.1.100.1, and 10.1.120.1?
A. network 10.0.0.0 0.0.0.0 area 0
B. network 10.0.0.0 0.255.255.255 area 0
C. network 10.0.0.0 0.0.0.255 area 0
D. network 10.0.0.0 0.0.255.255 area 0 | Which of the following network commands, following the command router ospf 1, enables OSPF on interfaces whose IP addresses are 10.1.1.1, 10.1.100.1, and 10.1.120.1? | A. network 10.0.0.0 0.0.0.0 area 0
B. network 10.0.0.0 0.255.255.255 area 0
C. network 10.0.0.0 0.0.0.255 area 0
D. network 10.0.0.0 0.0.255.255 area 0 | B |
22 | Implementing Basic OSPF Features | OSPF | 2 | Which of the following network commands, following the command router ospf 1, tells this router to start using OSPF on interfaces whose IP addresses are 10.1.1.1, 10.1.100.1, and 10.1.120.1?
A. network 10.1.0.0 0.0.255.255 area 0
B. network 10.0.0.0 0.255.255.0 area 0
C. network 10.1.1.0 0.x.1x.0 area 0
D. network 10.1... | Which of the following network commands, following the command router ospf 1, tells this router to start using OSPF on interfaces whose IP addresses are 10.1.1.1, 10.1.100.1, and 10.1.120.1? | A. network 10.1.0.0 0.0.255.255 area 0
B. network 10.0.0.0 0.255.255.0 area 0
C. network 10.1.1.0 0.x.1x.0 area 0
D. network 10.1.1.0 255.0.0.0 area 0 | A |
22 | Implementing Basic OSPF Features | OSPF | 3 | Which of the following commands list the OSPF neighbors off interface serial 0/0? (Choose two answers.)
A. show ip ospf neighbor
B. show ip ospf interface brief
C. show ip neighbor
D. show ip interface
E. show ip ospf neighbor serial 0/0 | Which of the following commands list the OSPF neighbors off interface serial 0/0? (Choose two answers.) | A. show ip ospf neighbor
B. show ip ospf interface brief
C. show ip neighbor
D. show ip interface
E. show ip ospf neighbor serial 0/0 | AE |
22 | Implementing Basic OSPF Features | OSPF | 4 | When reloading and choosing a new OSPF router ID (RID), a router had working interfaces loopback 1 with IP address 10.8.8.8, loopback 2 with address 10.7.7.7, and GigabitEthernet0/0/0 with 10.9.9.9. The router did not have a router-id command in the OSPF process configuration. What RID did the router choose?
A. 10.7.7.... | When reloading and choosing a new OSPF router ID (RID), a router had working interfaces loopback 1 with IP address 10.8.8.8, loopback 2 with address 10.7.7.7, and GigabitEthernet0/0/0 with 10.9.9.9. The router did not have a router-id command in the OSPF process configuration. What RID did the router choose? | A. 10.7.7.7
B. 10.8.8.8
C. 10.9.9.9
D. The router would fail to choose an RID. | B |
22 | Implementing Basic OSPF Features | OSPF | 5 | An engineer migrates from a more traditional OSPFv2 configuration that uses network commands in OSPF configuration mode to instead use OSPFv2 interface configuration. Which of the following commands configures the area number assigned to an interface in this new configuration?
A. The area command in interface configura... | An engineer migrates from a more traditional OSPFv2 configuration that uses network commands in OSPF configuration mode to instead use OSPFv2 interface configuration. Which of the following commands configures the area number assigned to an interface in this new configuration? | A. The area command in interface configuration mode
B. The ip ospf command in interface configuration mode
C. The router ospf command in interface configuration mode
D. The network command in interface configuration mode | B |
22 | Implementing Basic OSPF Features | OSPF | 6 | An enterprise avoids using the OSPF network command, instead preferring to enable OSPF per-interface with the ip ospf process-id area area-id interface subcommand. Which show command identifies whether an interface has been configured with the ip ospf process-id area area-id interface subcommand? (Choose two answers.)
... | An enterprise avoids using the OSPF network command, instead preferring to enable OSPF per-interface with the ip ospf process-id area area-id interface subcommand. Which show command identifies whether an interface has been configured with the ip ospf process-id area area-id interface subcommand? (Choose two answers.) | A. The show ip ospf interface command
B. The show ip ospf interface brief command
C. The show ip ospf neighbor command
D. The show ip protocols command | AD |
23 | Implementing Optional OSPF Features | OSPF | 1 | Routers R1 and R2, with router IDs 1.1.1.1 and 2.2.2.2, connect over an Ethernet WAN link. If using all default OSPF settings, if the WAN link initializes for both routers at the same time, which of the following answers are true? (Choose two answers.)
A. Router R1 will become the DR.
B. Router R1 will dynamically disc... | Routers R1 and R2, with router IDs 1.1.1.1 and 2.2.2.2, connect over an Ethernet WAN link. If using all default OSPF settings, if the WAN link initializes for both routers at the same time, which of the following answers are true? (Choose two answers.) | A. Router R1 will become the DR.
B. Router R1 will dynamically discover the existence of Router R2.
C. Router R2 will be neither the DR nor the BDR.
D. Router R1’s show ip ospf neighbor command will list R2 with a state of “FULL/DR.” | BD |
23 | Implementing Optional OSPF Features | OSPF | 2 | Routers R1 and R2, with router IDs 1.1.1.1 and 2.2.2.2, connect over an Ethernet WAN link. The configuration uses all defaults, except giving R1 an interface priority of 11 and changing both routers to use OSPF network type point-to-point. If the WAN link initializes for both routers at the same time, which of the foll... | Routers R1 and R2, with router IDs 1.1.1.1 and 2.2.2.2, connect over an Ethernet WAN link. The configuration uses all defaults, except giving R1 an interface priority of 11 and changing both routers to use OSPF network type point-to-point. If the WAN link initializes for both routers at the same time, which of the foll... | A. Router R1 will become the DR.
B. Router R1 will dynamically discover the existence of Router R2.
C. Router R2 will be neither the DR nor the BDR.
D. Router R2’s show ip ospf neighbor command will list R1 with a state of “FULL/DR.” | BC |
23 | Implementing Optional OSPF Features | OSPF | 3 | Per the command output, with how many routers is Router R9 fully adjacent over its Gi0/0 interface?
A. 7
B. 0
C. 5
D. 2 | Per the command output, with how many routers is Router R9 fully adjacent over its Gi0/0 interface? | A. 7
B. 0
C. 5
D. 2 | D |
23 | Implementing Optional OSPF Features | OSPF | 4 | Routers R1 and R2, which use default priority settings, become neighbors, with R1 as the DR and R2 as the BDR. The engineer then configures R2’s interface to use OSPF priority 100. Which answers correctly predict any changes in the OSPF neighbor relationship?
A. Router R2 will immediately become the DR.
B. Router R2 wi... | Routers R1 and R2, which use default priority settings, become neighbors, with R1 as the DR and R2 as the BDR. The engineer then configures R2’s interface to use OSPF priority 100. Which answers correctly predict any changes in the OSPF neighbor relationship? | A. Router R2 will immediately become the DR.
B. Router R2 will become the DR after the neighbor relationship fails.
C. Router R2 will immediately stop filling the BDR role.
D. Router R2 will become the DR after four OSPF Hello intervals. | B |
23 | Implementing Optional OSPF Features | OSPF | 5 | Which of the following configuration settings on a router does not influence which IPv4 route a router chooses to add to its IPv4 routing table when using OSPFv2?
A. auto-cost reference-bandwidth
B. delay
C. bandwidth
D. ip ospf cost | Which of the following configuration settings on a router does not influence which IPv4 route a router chooses to add to its IPv4 routing table when using OSPFv2? | A. auto-cost reference-bandwidth
B. delay
C. bandwidth
D. ip ospf cost | B |
23 | Implementing Optional OSPF Features | OSPF | 6 | A network engineer configures the ip ospf hello-interval 15 subcommand under the interfaces that connect OSPF neighbors R1 and R2 but with no use of the ip ospf dead-interval subcommand. Eventually, Router R1’s OSPF process fails, but the link between R1 and R2 remains working. How long after Router R1’s last Hello doe... | A network engineer configures the ip ospf hello-interval 15 subcommand under the interfaces that connect OSPF neighbors R1 and R2 but with no use of the ip ospf dead-interval subcommand. Eventually, Router R1’s OSPF process fails, but the link between R1 and R2 remains working. How long after Router R1’s last Hello doe... | A. 10 seconds
B. 15 seconds
C. 40 seconds
D. 60 seconds | D |
24 | OSPF Neighbors and Route Selection | OSPF | 1 | An engineer connects Routers R11 and R12 to the same Ethernet LAN and configures them to use OSPFv2. Which answers describe a combination of settings that would prevent the two routers from becoming OSPF neighbors? (Choose two answers.)
A. R11’s interface uses area 11 while R12’s interface uses area 12.
B. R11’s OSPF p... | An engineer connects Routers R11 and R12 to the same Ethernet LAN and configures them to use OSPFv2. Which answers describe a combination of settings that would prevent the two routers from becoming OSPF neighbors? (Choose two answers.) | A. R11’s interface uses area 11 while R12’s interface uses area 12.
B. R11’s OSPF process uses process ID 11 while R12’s uses process ID 12.
C. R11’s interface uses OSPF priority 11 while R12’s uses OSPF priority 12.
D. R11’s interface uses an OSPF Hello timer value of 11 while R12’s uses 12. | AD |
24 | OSPF Neighbors and Route Selection | OSPF | 2 | An engineer connects Routers R13 and R14 to the same Ethernet LAN and configures them to use OSPFv2. Which answers describe a combination of settings that would prevent the two routers from becoming OSPF neighbors?
A. Both routers’ interface IP addresses reside in the same subnet.
B. Both routers’ OSPF process uses pro... | An engineer connects Routers R13 and R14 to the same Ethernet LAN and configures them to use OSPFv2. Which answers describe a combination of settings that would prevent the two routers from becoming OSPF neighbors? | A. Both routers’ interface IP addresses reside in the same subnet.
B. Both routers’ OSPF process uses process ID 13.
C. Both routers’ OSPF process uses router ID 13.13.13.13.
D. Both routers’ interfaces use an OSPF Dead interval of 40. | C |
24 | OSPF Neighbors and Route Selection | OSPF | 3 | Router R15 has been a working part of a network that uses OSPFv2. An engineer then issues the shutdown command in OSPF configuration mode on R15. Which of the following occurs?
A. R15 empties its IP routing table of all OSPF routes but keeps its LSDB intact.
B. R15 empties its OSPF routes and LSDB but keeps OSPF neighb... | Router R15 has been a working part of a network that uses OSPFv2. An engineer then issues the shutdown command in OSPF configuration mode on R15. Which of the following occurs? | A. R15 empties its IP routing table of all OSPF routes but keeps its LSDB intact.
B. R15 empties its OSPF routes and LSDB but keeps OSPF neighbor relationships active.
C. R15 keeps OSPF neighbors open but does not accept new OSPF neighbors.
D. R15 keeps all OSPF configuration but ceases all OSPF activities (routes, LSD... | D |
24 | OSPF Neighbors and Route Selection | OSPF | 4 | Using OSPF, Router R1 learns three routes to subnet 10.1.1.0/24. It first calculates a route through Router R2 with metric 15000, then a route through Router R3 with metric 15001, and then a route through Router R4 with metric 15000. Which routes does the router place into its routing table, assuming all default config... | Using OSPF, Router R1 learns three routes to subnet 10.1.1.0/24. It first calculates a route through Router R2 with metric 15000, then a route through Router R3 with metric 15001, and then a route through Router R4 with metric 15000. Which routes does the router place into its routing table, assuming all default config... | A. Only the route with R2 as the next-hop router
B. Both routes with metric 15000
C. All three routes to subnet 10.1.1.0/24
D. Only the router with R3 as the next-hop router | B |
24 | OSPF Neighbors and Route Selection | OSPF | 5 | Router R2 runs both EIGRP and OSPF. It learns two OSPF routes to subnet 172.16.1.0/24, one with metric 1000 and one with metric 2000. It learns two EIGRP routes with metrics 1,000,000 and 2,000,000. If using default settings for any settings that might impact the answer, which route(s) will the router place into the IP... | Router R2 runs both EIGRP and OSPF. It learns two OSPF routes to subnet 172.16.1.0/24, one with metric 1000 and one with metric 2000. It learns two EIGRP routes with metrics 1,000,000 and 2,000,000. If using default settings for any settings that might impact the answer, which route(s) will the router place into the IP... | A. The metric 1000 OSPF route and the metric 1,0000,000 EIGRP route
B. The metric 2000 OSPF route and the metric 2,0000,000 EIGRP route
C. The metric 1000 OSPF route only
D. The metric 1,0000,000 EIGRP route only | D |
24 | OSPF Neighbors and Route Selection | OSPF | 6 | Router R3 receives a packet with destination IP address 172.20.89.100. How many of the address ranges defined in the routes per the show ip route command match the packet’s destination address?
A. 1
B. 2
C. 3
D. 4
E. 5 | Router R3 receives a packet with destination IP address 172.20.89.100. How many of the address ranges defined in the routes per the show ip route command match the packet’s destination address? | A. 1
B. 2
C. 3
D. 4
E. 5 | D |
24 | OSPF Neighbors and Route Selection | OSPF | 7 | Router R3 receives a packet with destination IP address 172.20.90.1. Which next-hop IP address does Router R3 use when forwarding the packet?
A. 172.20.11.1
B. 172.20.12.2
C. 172.20.13.3
D. 172.20.14.4
E. 172.20.15.5 | Router R3 receives a packet with destination IP address 172.20.90.1. Which next-hop IP address does Router R3 use when forwarding the packet? | A. 172.20.11.1
B. 172.20.12.2
C. 172.20.13.3
D. 172.20.14.4
E. 172.20.15.5 | C |
25 | Fundamentals of IP Version 6 | IPv6 | 1 | Which of the following was a short-term solution to the IPv4 address exhaustion problem?
A. IP version 6
B. IP version 5
C. NAT/PAT
D. ARP | Which of the following was a short-term solution to the IPv4 address exhaustion problem? | A. IP version 6
B. IP version 5
C. NAT/PAT
D. ARP | C |
25 | Fundamentals of IP Version 6 | IPv6 | 2 | A router receives an Ethernet frame that holds an IPv6 packet. The router then decides to route the packet out an Ethernet WAN link. Which statement is true about how a router forwards an IPv6 packet?
A. The router discards the received frame’s Ethernet data-link header and trailer.
B. The router makes the forwarding d... | A router receives an Ethernet frame that holds an IPv6 packet. The router then decides to route the packet out an Ethernet WAN link. Which statement is true about how a router forwards an IPv6 packet? | A. The router discards the received frame’s Ethernet data-link header and trailer.
B. The router makes the forwarding decision based on the packet’s source IPv6 address.
C. The router keeps the incoming frame’s Ethernet header, encapsulating the entire frame inside a new IPv6 packet before sending it over the outgoing ... | A |
25 | Fundamentals of IP Version 6 | IPv6 | 3 | Which of the following is the shortest valid abbreviation for FE80:0000:0000:0000:0100:0000:0000:0123?
A. FE80::100::123
B. FE8::1::123
C. FE80::100:0:0:0:123:4567
D. FE80::100:0:0:123 | Which of the following is the shortest valid abbreviation for FE80:0000:0000:0000:0100:0000:0000:0123? | A. FE80::100::123
B. FE8::1::123
C. FE80::100:0:0:0:123:4567
D. FE80::100:0:0:123 | D |
25 | Fundamentals of IP Version 6 | IPv6 | 4 | Which of the following is the shortest valid abbreviation for 2000:0300:0040:0005:6000:0700:0080:0009?
A. 2:3:4:5:6:7:8:9
B. 2000:300:40:5:6000:700:80:9
C. 2000:300:4:5:6000:700:8:9
D. 2000:3:4:5:6:7:8:9 | Which of the following is the shortest valid abbreviation for 2000:0300:0040:0005:6000:0700:0080:0009? | A. 2:3:4:5:6:7:8:9
B. 2000:300:40:5:6000:700:80:9
C. 2000:300:4:5:6000:700:8:9
D. 2000:3:4:5:6:7:8:9 | B |
25 | Fundamentals of IP Version 6 | IPv6 | 5 | Which of the following is the unabbreviated version of IPv6 address 2001:DB8::200:28?
A. 2001:0DB8:0000:0000:0000:0000:0200:0028
B. 2001:0DB8::0200:0028
C. 2001:0DB8:0:0:0:0:0200:0028
D. 2001:0DB8:0000:0000:0000:0000:200:0028 | Which of the following is the unabbreviated version of IPv6 address 2001:DB8::200:28? | A. 2001:0DB8:0000:0000:0000:0000:0200:0028
B. 2001:0DB8::0200:0028
C. 2001:0DB8:0:0:0:0:0200:0028
D. 2001:0DB8:0000:0000:0000:0000:200:0028 | A |
25 | Fundamentals of IP Version 6 | IPv6 | 6 | Which of the following is the correct abbreviated subnet prefix for address 2000:0000:0000:0005:6000:0700:0080:0009, assuming a mask of /64?
A. 2000::5::/64
B. 2000::5:0:0:0:0/64
C. 2000:0:0:5::/64
D. 2000:0:0:5:0:0:0:0/64 | Which of the following is the correct abbreviated subnet prefix for address 2000:0000:0000:0005:6000:0700:0080:0009, assuming a mask of /64? | A. 2000::5::/64
B. 2000::5:0:0:0:0/64
C. 2000:0:0:5::/64
D. 2000:0:0:5:0:0:0:0/64 | C |
26 | IPv6 Addressing and Subnetting | IPv6 | 1 | Which of the following IPv6 addresses appears to be a unique local unicast address based on its first few hex digits?
A. 3123:1:3:5::1
B. FE80::1234:56FF:FE78:9ABC
C. FDAD::1
D. FF00::5 | Which of the following IPv6 addresses appears to be a unique local unicast address based on its first few hex digits? | A. 3123:1:3:5::1
B. FE80::1234:56FF:FE78:9ABC
C. FDAD::1
D. FF00::5 | C |
26 | IPv6 Addressing and Subnetting | IPv6 | 2 | Which of the following IPv6 addresses appears to be a global unicast address, based on its first few hex digits?
A. 3123:1:3:5::1
B. FE80::1234:56FF:FE78:9ABC
C. FDAD::1
D. FF00::5 | Which of the following IPv6 addresses appears to be a global unicast address, based on its first few hex digits? | A. 3123:1:3:5::1
B. FE80::1234:56FF:FE78:9ABC
C. FDAD::1
D. FF00::5 | A |
26 | IPv6 Addressing and Subnetting | IPv6 | 3 | When subnetting an IPv6 address block, an engineer shows a drawing that breaks the address structure into three pieces. Comparing this concept to a three-part IPv4 address structure, which part of the IPv6 address structure is most like the IPv4 network part of the address?
A. Subnet ID
B. Interface ID
C. Network ID
D.... | When subnetting an IPv6 address block, an engineer shows a drawing that breaks the address structure into three pieces. Comparing this concept to a three-part IPv4 address structure, which part of the IPv6 address structure is most like the IPv4 network part of the address? | A. Subnet ID
B. Interface ID
C. Network ID
D. Global routing prefix
E. Subnet router anycast | D |
26 | IPv6 Addressing and Subnetting | IPv6 | 4 | When subnetting an IPv6 address block, an engineer shows a drawing that breaks the address structure into three pieces. Assuming that all subnets use the same /64 prefix length, which of the following answers lists the field’s name on the far right side of the address?
A. Subnet ID
B. Interface ID
C. Network ID
D. Glob... | When subnetting an IPv6 address block, an engineer shows a drawing that breaks the address structure into three pieces. Assuming that all subnets use the same /64 prefix length, which of the following answers lists the field’s name on the far right side of the address? | A. Subnet ID
B. Interface ID
C. Network ID
D. Global routing prefix
E. Subnet router anycast | B |
26 | IPv6 Addressing and Subnetting | IPv6 | 5 | For the IPv6 address FD00:1234:5678:9ABC:DEF1:2345:6789:ABCD, which part of the address is considered the global ID of the unique local address?
A. None; this address has no global ID.
B. 00:1234:5678:9ABC
C. DEF1:2345:6789:ABCD
D. 00:1234:5678
E. FD00 | For the IPv6 address FD00:1234:5678:9ABC:DEF1:2345:6789:ABCD, which part of the address is considered the global ID of the unique local address? | A. None; this address has no global ID.
B. 00:1234:5678:9ABC
C. DEF1:2345:6789:ABCD
D. 00:1234:5678
E. FD00 | D |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 1 | Router R1 has an interface named Gigabit Ethernet 0/1, whose MAC address has been set to 0200.0001.000A. Which of the following commands, added in R1’s Gigabit Ethernet 0/1 configuration mode, gives this interface a unicast IPv6 address of 2001:1:1:1:1:200:1:A with a /64 prefix length?
A. ipv6 address 2001:1:1:1:1:200:... | Router R1 has an interface named Gigabit Ethernet 0/1, whose MAC address has been set to 0200.0001.000A. Which of the following commands, added in R1’s Gigabit Ethernet 0/1 configuration mode, gives this interface a unicast IPv6 address of 2001:1:1:1:1:200:1:A with a /64 prefix length? | A. ipv6 address 2001:1:1:1:1:200:1:A/64
B. ipv6 address 2001:1:1:1:1:200:1:A/64 eui-64
C. ipv6 address 2001:1:1:1:1:200:1:A /64 eui-64
D. ipv6 address 2001:1:1:1:1:200:1:A /64
E. None of the other answers are correct. | A |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 2 | Router R1 has an interface named Gigabit Ethernet 0/1, whose MAC address has been set to 5055.4444.3333. This interface has been configured with the ipv6 address 2000:1:1:1::/64 eui-64 subcommand. What unicast address will this interface use?
A. 2000:1:1:1:52FF:FE55:4444:3333
B. 2000:1:1:1:5255:44FF:FE44:3333
C. 2000:1... | Router R1 has an interface named Gigabit Ethernet 0/1, whose MAC address has been set to 5055.4444.3333. This interface has been configured with the ipv6 address 2000:1:1:1::/64 eui-64 subcommand. What unicast address will this interface use? | A. 2000:1:1:1:52FF:FE55:4444:3333
B. 2000:1:1:1:5255:44FF:FE44:3333
C. 2000:1:1:1:5255:4444:33FF:FE33
D. 2000:1:1:1:200:FF:FE00:0 | B |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 3 | Router R1 currently supports IPv4, routing packets in and out all its interfaces. R1’s configuration must be migrated to support dual-stack operation, routing both IPv4 and IPv6. Which of the following tasks must be performed before the router can also support routing IPv6 packets? (Choose two answers.)
A. Enable IPv6 ... | Router R1 currently supports IPv4, routing packets in and out all its interfaces. R1’s configuration must be migrated to support dual-stack operation, routing both IPv4 and IPv6. Which of the following tasks must be performed before the router can also support routing IPv6 packets? (Choose two answers.) | A. Enable IPv6 on each interface using an ipv6 address interface subcommand.
B. Enable support for both versions with the ip versions 4 6 global command.
C. Enable IPv6 routing using the ipv6 unicast-routing global command.
D. Migrate to dual-stack routing using the ip routing dual-stack global command. | AC |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 4 | On a router configured with an ipv6 address interface subcommand on its G0/0/0 interface, which of the following commands reveals the IPv6 prefix that the router computed based on the address/prefix-length? (Choose two answers.)
A. show ipv6 address
B. show ipv6 route connected
C. show ipv6 interface brief
D. show ipv6... | On a router configured with an ipv6 address interface subcommand on its G0/0/0 interface, which of the following commands reveals the IPv6 prefix that the router computed based on the address/prefix-length? (Choose two answers.) | A. show ipv6 address
B. show ipv6 route connected
C. show ipv6 interface brief
D. show ipv6 interface g0/0/0 | BD |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 5 | Router R1 has an interface named Gigabit Ethernet 0/1, whose MAC address has been set to 0200.0001.000A. The interface is then configured with the ipv6 address 2001:1:1:1:200:FF:FE01:B/64 interface subcommand; no other ipv6 address commands are configured on the interface. Which of the following answers lists the link-... | Router R1 has an interface named Gigabit Ethernet 0/1, whose MAC address has been set to 0200.0001.000A. The interface is then configured with the ipv6 address 2001:1:1:1:200:FF:FE01:B/64 interface subcommand; no other ipv6 address commands are configured on the interface. Which of the following answers lists the link-... | A. FE80::FF:FE01:A
B. FE80::FF:FE01:B
C. FE80::200:FF:FE01:A
D. FE80::200:FF:FE01:B | A |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 6 | Which of the following multicast addresses is defined as the address for sending packets to only the IPv6 routers on the local link?
A. FF02::1
B. FF02::2
C. FF02::5
D. FF02::A | Which of the following multicast addresses is defined as the address for sending packets to only the IPv6 routers on the local link? | A. FF02::1
B. FF02::2
C. FF02::5
D. FF02::A | B |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 7 | Host C must forward a packet to its default gateway, 2001:db8:1:1::1234:5678. Host C does not yet have a neighbor table entry for that address. To which solicited-node multicast address will host C send its NDP neighbor solicitation (NS) request?
A. FF02::1:ff34:5678
B. FF02::1:ff12:3456
C. FF02::1ff:1234:5678
D. FF02:... | Host C must forward a packet to its default gateway, 2001:db8:1:1::1234:5678. Host C does not yet have a neighbor table entry for that address. To which solicited-node multicast address will host C send its NDP neighbor solicitation (NS) request? | A. FF02::1:ff34:5678
B. FF02::1:ff12:3456
C. FF02::1ff:1234:5678
D. FF02::1ff:34:5678 | A |
27 | Implementing IPv6 Addressing on Routers | IPv6 | 8 | A router uses the ipv6 enable subcommand on interface G0/0/1, the ipv6 address autoconfig command on interface G0/0/2, and the ipv6 address 2002:db8:1:1::1/64 command on interface G0/0/3. The commands succeed, dynamically or statically creating the expected addresses as typical for each command. Which answers are accur... | A router uses the ipv6 enable subcommand on interface G0/0/1, the ipv6 address autoconfig command on interface G0/0/2, and the ipv6 address 2002:db8:1:1::1/64 command on interface G0/0/3. The commands succeed, dynamically or statically creating the expected addresses as typical for each command. Which answers are accur... | A. G0/0/1 has no LLA.
B. G0/0/1 has an LLA.
C. G0/0/2 has an LLA and global unicast address with identical interface IDs.
D. G0/0/3 has a global unicast address but no LLA. | BC |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 1 | PC1, PC2, and Router R1 all connect to the same VLAN and IPv6 subnet. PC1 wants to send its first IPv6 packet to PC2. What protocol message will PC1 use to begin the process of discovering PC2’s MAC address?
A. ARP Request
B. NDP NS
C. NDP RS
D. SLAAC NS | PC1, PC2, and Router R1 all connect to the same VLAN and IPv6 subnet. PC1 wants to send its first IPv6 packet to PC2. What protocol message will PC1 use to begin the process of discovering PC2’s MAC address? | A. ARP Request
B. NDP NS
C. NDP RS
D. SLAAC NS | B |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 2 | Which of the following pieces of information does a router supply in an NDP Router Advertisement (RA) message? (Choose two answers.)
A. Router IPv6 address
B. Router hostname
C. IPv6 prefix(es) on the link
D. IPv6 address of DHCP server | Which of the following pieces of information does a router supply in an NDP Router Advertisement (RA) message? (Choose two answers.) | A. Router IPv6 address
B. Router hostname
C. IPv6 prefix(es) on the link
D. IPv6 address of DHCP server | AC |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 3 | Three routers (R1, R2, and R3) connect to the same VLAN and IPv6 subnet. All three routers have responded to various NDP RS messages with NDP RA messages. Which of the answers best describes the kind of NDP information held in the output of the show ipv6 neighbors command on R1?
A. IPv6 neighbors (both routers and host... | Three routers (R1, R2, and R3) connect to the same VLAN and IPv6 subnet. All three routers have responded to various NDP RS messages with NDP RA messages. Which of the answers best describes the kind of NDP information held in the output of the show ipv6 neighbors command on R1? | A. IPv6 neighbors (both routers and hosts) plus their MAC addresses, without noting which are routers
B. IPv6 neighbors (both routers and hosts) plus their MAC addresses, also noting which are routers
C. IPv6 routers, with no information about nonrouters, with no MAC address info
D. IPv6 routers, with no information ab... | A |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 4 | PC1 and Router R1 connect to the same VLAN and IPv6 subnet. The user of PC1 pings the IPv6 address of a host that sits at a remote site so that the packets flow through R1, PC1’s default router. PC1 learned all its IPv6 settings dynamically. Which of the following answers lists a protocol or message that PC1 could have... | PC1 and Router R1 connect to the same VLAN and IPv6 subnet. The user of PC1 pings the IPv6 address of a host that sits at a remote site so that the packets flow through R1, PC1’s default router. PC1 learned all its IPv6 settings dynamically. Which of the following answers lists a protocol or message that PC1 could have... | A. EUI-64
B. NDP NS
C. DAD
D. NDP RS | D |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 5 | Host PC1 dynamically learns its IPv6 settings using Stateless Address Autocon-figuration (SLAAC). Which one of PC1’s settings is most likely to be learned from the stateless DHCPv6 server?
A. Host address
B. Prefix length
C. Default router address
D. DNS server address(es) | Host PC1 dynamically learns its IPv6 settings using Stateless Address Autocon-figuration (SLAAC). Which one of PC1’s settings is most likely to be learned from the stateless DHCPv6 server? | A. Host address
B. Prefix length
C. Default router address
D. DNS server address(es) | D |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 6 | Host PC1 dynamically learns its IPv6 settings using Stateless Address Autoconfiguration (SLAAC). Think about the host’s unicast address as two parts: the subnet prefix and the interface ID. Which answers list a way that SLAAC learns or builds the value of the interface ID portion of the host’s address? (Choose two answ... | Host PC1 dynamically learns its IPv6 settings using Stateless Address Autoconfiguration (SLAAC). Think about the host’s unicast address as two parts: the subnet prefix and the interface ID. Which answers list a way that SLAAC learns or builds the value of the interface ID portion of the host’s address? (Choose two answ... | A. Learned from a DHCPv6 server
B. Built by the host using EUI-64 rules
C. Learned from a router using NDP RS/RA messages
D. Built by the host using a random value | BD |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 7 | An IPv6 host is configured to use DHCP to lease its IPv6 address. The DHCPv6 server is not on the same link but is located at another site. Which answer describes a mechanism the client and routers use to make the DHCPv6 messages flow between the client and server?
A. The client sends the DHCPv6 Solicit message to mult... | An IPv6 host is configured to use DHCP to lease its IPv6 address. The DHCPv6 server is not on the same link but is located at another site. Which answer describes a mechanism the client and routers use to make the DHCPv6 messages flow between the client and server? | A. The client sends the DHCPv6 Solicit message to multicast address FF02:1:2.
B. The client sends the DHCPv6 Solicit message to broadcast address FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF.
C. The client must learn the DHCPv6 server’s unicast address from a local router using NDP messages.
D. The routers use IPv6 multicas... | A |
28 | Implementing IPv6 Addressing on Hosts | IPv6 | 8 | All routers in the network have global unicast addresses (GUAs) configured on their interfaces. The user of PC1, on a LAN, issues a traceroute command for a distant host’s address. The command succeeds, listing four lines with IPv6 addresses. Which answer best describes the addresses in the traceroute output and its us... | All routers in the network have global unicast addresses (GUAs) configured on their interfaces. The user of PC1, on a LAN, issues a traceroute command for a distant host’s address. The command succeeds, listing four lines with IPv6 addresses. Which answer best describes the addresses in the traceroute output and its us... | A. All lines list LLAs with no GUAs.
B. The first line lists an address that matches PC1’s default route.
C. All lines list GUAs with no LLAs.
D. The last line lists the GUA of the final router in the route. | C |
29 | Implementing IPv6 Routing | IPv6 | 1 | Router R6 in the figure has been configured with the ipv6 address 2000:1:2:3::1/64 command on its G0/0/0 interface. The router also creates a link-local address of FE80::FF:FE00:1. All router interfaces have an up/up status. Which of the following routes will R6 add to its IPv6 routing table? (Choose two answers.)
A. A... | Router R6 in the figure has been configured with the ipv6 address 2000:1:2:3::1/64 command on its G0/0/0 interface. The router also creates a link-local address of FE80::FF:FE00:1. All router interfaces have an up/up status. Which of the following routes will R6 add to its IPv6 routing table? (Choose two answers.) | A. A route for 2000:1:2:3::/64
B. A route for FE80::FF:FE00:1/64
C. A route for 2000:1:2:3::1/128
D. A route for FE80::FF:FE00:1/128 | AC |
29 | Implementing IPv6 Routing | IPv6 | 2 | A router has been configured with the ipv6 address 3111:1:1:1::1/64 command on its G0/0/0 interface and ipv6 address 3222:2:2:2::1/64 on its G0/0/1 interface. Both interfaces have an up/up state. Which of the following routes would you expect to see in the output of the show ipv6 route connected command? (Choose two an... | A router has been configured with the ipv6 address 3111:1:1:1::1/64 command on its G0/0/0 interface and ipv6 address 3222:2:2:2::1/64 on its G0/0/1 interface. Both interfaces have an up/up state. Which of the following routes would you expect to see in the output of the show ipv6 route connected command? (Choose two an... | A. A route for 3111:1:1:1::/64
B. A route for 3111:1:1:1::1/64
C. A route for 3222:2:2:2::/64
D. A route for 3222:2:2:2::2/128 | AC |
29 | Implementing IPv6 Routing | IPv6 | 3 | An engineer needs to add a static IPv6 route for prefix 2000:1:2:3::/64 to Router R5 in the figure. Which of the following ipv6 route commands would result in a working IPv6 route for this subnet prefix? (Choose two answers.)
A. ipv6 route 2000:1:2:3::/64 G0/0/1 2000:1:2:56::6
B. ipv6 route 2000:1:2:3::/64 2000:1:2:56:... | An engineer needs to add a static IPv6 route for prefix 2000:1:2:3::/64 to Router R5 in the figure. Which of the following ipv6 route commands would result in a working IPv6 route for this subnet prefix? (Choose two answers.) | A. ipv6 route 2000:1:2:3::/64 G0/0/1 2000:1:2:56::6
B. ipv6 route 2000:1:2:3::/64 2000:1:2:56::6
C. ipv6 route 2000:1:2:3::/64 G0/0/1 2001:1:2:56::5
D. ipv6 route 2000:1:2:3::/64 G0/0/1 | AB |
29 | Implementing IPv6 Routing | IPv6 | 4 | An engineer needs to add a static IPv6 route for prefix 2000:1:2:3::/64 to Router R5 in the figure. Which of the following answers shows a valid static IPv6 route for that subnet on Router R5?
A. ipv6 route 2000:1:2:3::/64 2000:1:2:56::5
B. ipv6 route 2000:1:2:3::/64 2000:1:2:56::6
C. ipv6 route 2000:1:2:3::/64 FE80::F... | An engineer needs to add a static IPv6 route for prefix 2000:1:2:3::/64 to Router R5 in the figure. Which of the following answers shows a valid static IPv6 route for that subnet on Router R5? | A. ipv6 route 2000:1:2:3::/64 2000:1:2:56::5
B. ipv6 route 2000:1:2:3::/64 2000:1:2:56::6
C. ipv6 route 2000:1:2:3::/64 FE80::FF:FE00:5
D. ipv6 route 2000:1:2:3::/64 FE80::FF:FE00:6 | B |
29 | Implementing IPv6 Routing | IPv6 | 5 | When displaying an IPv6 static default route, how does the show ipv6 route command represent the concept of the default destination?
A. With the phrase “Gateway of Last Resort” just above the list of routes
B. With a prefix value ::/0 in the line for the route
C. With a prefix value ::/128 in the line for the route
D. ... | When displaying an IPv6 static default route, how does the show ipv6 route command represent the concept of the default destination? | A. With the phrase “Gateway of Last Resort” just above the list of routes
B. With a prefix value ::/0 in the line for the route
C. With a prefix value ::/128 in the line for the route
D. With a prefix value 2000::/3 in the line for the route
E. With the keyword “default” in the line for the route | B |
29 | Implementing IPv6 Routing | IPv6 | 6 | Router R1 has a useful IPv6 configuration so that Router R1 learns a route for subnet 2001:db8:1:2::/64 with OSPF. The route lists an outgoing interface that is an Ethernet WAN link. The engineer then installs cellular interfaces on both routers for WAN backup. As part of the configuration, the engineer configures the ... | Router R1 has a useful IPv6 configuration so that Router R1 learns a route for subnet 2001:db8:1:2::/64 with OSPF. The route lists an outgoing interface that is an Ethernet WAN link. The engineer then installs cellular interfaces on both routers for WAN backup. As part of the configuration, the engineer configures the ... | A. It rejects the ipv6 route command because of the existing OSPF route for the same prefix.
B. It accepts the ipv6 route command into the configuration but does not add a route to the routing table.
C. It accepts the ipv6 route command into the configuration and adds the route to the routing table, but it leaves the O... | B |
29 | Implementing IPv6 Routing | IPv6 | 7 | An engineer types the command ipv6 route 2001:DB8:8:8::/64 2001:DB8:9:9::9 129 in configuration mode of Router R1 and presses Enter. Later, a show ipv6 route command lists no routes for subnet 2001:DB8:8:8::/64. Which of the following could have caused the route to not be in the IPv6 routing table?
A. The command uses ... | An engineer types the command ipv6 route 2001:DB8:8:8::/64 2001:DB8:9:9::9 129 in configuration mode of Router R1 and presses Enter. Later, a show ipv6 route command lists no routes for subnet 2001:DB8:8:8::/64. Which of the following could have caused the route to not be in the IPv6 routing table? | A. The command uses a next-hop global unicast address, which is not allowed, preventing the router from adding a route.
B. The command must include an outgoing interface parameter, so IOS rejected the ipv6 route command.
C. The router has no routes that match the next-hop address 2001:DB8:9:9::9.
D. A route for 2001:DB... | C |
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