Cisco 3, Module 2

Which criterion is preferred by the router to choose a router ID?

• the IP address of the highest active OSPF-enabled interface

• the IP address of the highest configured loopback interface on the router

• the IP address of the highest active interface on the router

• the router-id rid command

Which wildcard mask would be used to advertise the 192.168.5.96/27 network as part of an OSPF configuration?

• 0.0.0.32

• 255.255.255.224

• 255.255.255.223

• 0.0.0.31

The following three networks are directly connected to an OSPF router; 192.168.0.0/24, 192.168.1.0/24, and 192.168.2.0/24. Which OSPF network command would advertise only the 192.168.1.0 network to neighbors?

• router(config-router)# network 192.168.0.0 0.0.15.255 area 0

• router(config-router)# network 192.168.1.0 0.0.0.255 area 0

• router(config-router)# network 192.168.1.0 0.0.0.0 area 0

• router(config-router)# network 192.168.1.0 255.255.255.255 area 0

Which three parameters should match in order for a pair of routers to form an adjacency when running OSPFv2? (Choose three.)

• hello timer

• router ID

• OSPFv2 type of network

• OSPFv2 process number

• subnet mask

What are two features of the OSPF routing protocol? (Choose two.)

• has an administrative distance of 100

• automatically summarizes networks at the classful boundaries

• used primarily as an EGP

• calculates its metric using bandwidth

• uses Dijkstra's algorithm to build the SPF tree

A router with two LAN interfaces, two WAN interfaces, and one configured loopback interface is operating with OSPF as its routing protocol. What does the router OSPF process use to assign the router ID?

• the IP address of the interface that is configured with priority 0

• the OSPF area ID that is configured on the interface with the highest IP address

• the loopback interface IP address

• the highest IP address on the LAN interfaces

• the highest IP address that is configured on the WAN interfaces

Which verification command would identify the specific interfaces on a router that were configured with the passive-interface command?

• show ip eigrp neighbors

• show ip protocols

• show ip route eigrp

• show ip interface brief

Which command, if applied on an OSPF router, would give a Gigabit Ethernet interface a lower cost than a Fast Ethernet interface?

• (config-if)# bandwidth 100

• (config-if)# ip ospf cost 100

• (config-if)# ip ospf priority 1

• (config-router)# auto-cost reference-bandwidth 1000

A network administrator has just changed the router ID on a router that is working in an OSPFv2 environment. What should the administrator do to reset the adjacencies and use the new router ID?

• Configure the network statements.

• Issue the clear ip ospf process privileged mode command.

• Change the interface priority.

• Change the OSPFv2 process ID.

Which command can be used to view the OSPF hello and dead time intervals?

• show ip protocols

• show ip ospf neighbor

• show ip ospf interface

• show ip ospf route