CCNA 2 Chapter 8
Are you an aspiring Cisco certified network associate working on getting the CCNA certificate? By the end of chapter 8, you have covered a lot of routing and switching essentials. Take the test below and see just how prepared you are to tackle the final exam and test your understanding. Good luck!
- 1.A router is participating in an OSPFv2 domain. What will always happen if the dead interval expires before the router receives a hello packet from an adjacent DROTHER OSPF router?
- A.
OSPF will run a new DR/BDR election
- B.
SPF will run and determine which neighbor router is down.
- C.
OSPF will remove that neighbor from the router link-state database.
- D.
A new dead interval timer of 4 times the hello interval will start.
- 2.Which three statements describe the similarities between OSPFv2 and OSPFv3? (Choose three.)
- A.
They both are link-state protocols.
- B.
They both use the global address as the source address when sending OSPF messages.
- C.
They both share the concept of multiple areas.
- D.
They both support IPsec for authentication.
- E.
They both have unicast routing enabled by default.
- F.
They both use the same DR/BDR election process.
- 3.Which OSPF component is identical in all routers in an OSPF area after convergence?
- A.
Adjacency database
- B.
Routing table
- C.
Link-state database
- D.
SPF tree
- 4.What is used to create the OSPF neighbor table?
- A.
Adjacency database
- B.
Link-state database
- C.
Forwarding database
- D.
Routing table
- 5.Which three statements describe features of the OSPF topology table? (Choose three.)
- A.
It is a link-state database that represents the network topology.
- B.
Its contents are the result of running the SPF algorithm.
- C.
When converged, all routers in an area have identical topology tables.
- D.
The topology table contains feasible successor routes.
- E.
The table can be viewed via the show ip ospf database command.
- F.
After convergence, the table only contains the lowest cost route entries for all known networks.
- 6.What is a function of OSPF hello packets?
- A.
To send specifically requested link-state records
- B.
To discover neighbors and build adjacencies between them
- C.
To ensure database synchronization between routers
- D.
To request specific link-state records from neighbor routers
- 7.Which OPSF packet contains the different types of link-state advertisements?
- A.
Hello
- B.
DBD
- C.
LSR
- D.
LSU
- E.
LSAck
- 8.What are the two purposes of an OSPF router ID? (Choose two.)
- A.
To facilitate the establishment of network convergence
- B.
To uniquely identify the router within the OSPF domain
- C.
To facilitate the transition of the OSPF neighbor state to Full
- D.
To facilitate router participation in the election of the designated router
- E.
To enable the SPF algorithm to determine the lowest cost path to remote networks
- 9.What is the first criterion used by OPSF routers to elect a DR?
- A.
Highest IP address
- B.
Highest priority
- C.
Highest router ID
- D.
Highest MAC address
- 10.Which wildcard mask would be used to advertise the 192.168.5.96/27 network as part of an OSPF configuration?
- A.
0.0.0.32
- B.
0.0.0.31
- C.
255.255.255.224
- D.
255.255.255.223
- 11.What are two reasons that will prevent two routers from forming an OSPFv2 adjacency? (Choose two.)
- A.
A mismatched Cisco IOS version that is used
- B.
Mismatched OSPF Hello or Dead timers
- C.
Use of private IP addresses on the link interfaces
- D.
Mismatched subnet masks on the link interfaces
- E.
One router connecting to a FastEthernet port on the switch and the other connecting to a GigabitEthernet port
- 12.Refer to the exhibit. A network administrator issued the command show ip ospf interface on the router R2. What conclusion can be drawn?
- A.
R2 is connecting to a point-to-point network.
- B.
R2 is configured with the OSPF router-id command.
- C.
R2 is connecting to a point-to-point network.
- D.
R2 is not configured with default Hello and Dead timer values.
- 13.
![What command would be used to determine if a routing protocol-initiated relationship had been made with an adjacent router? - ProProfs]( "What command would be used to determine if a routing protocol-initiated relationship had been made with an adjacent router?")
What command would be used to determine if a routing protocol-initiated relationship had been made with an adjacent router?- A.
Ping
- B.
Show ip protocols
- C.
Show ip ospf neighbor
- D.
Show ip interface brief
- 14.Which OSPFv3 function works differently from OSPFv2?
- A.
Metric calculation
- B.
Authentication
- C.
Hello mechanism
- D.
OSPF packet types
- E.
Election process
- 15.Which three addresses could be used as the destination address for OSPFv3 messages? (Choose three.)
- A.
FF02::6
- B.
FF02::5
- C.
FE80::1
- D.
FF02::A
- E.
FF02::1:2
- F.
2001:db8:cafe::1
- 16.What does a Cisco router use automatically to create link-local addresses on serial interfaces when OSPFv3 is implemented?
- A.
The highest MAC address available on the router, the FE80::/10 prefix, and the EUI-48 process
- B.
The FE80::/10 prefix and the EUI-48 process
- C.
The MAC address of the serial interface, the FE80::/10 prefix, and the EUI-64 process
- D.
An Ethernet interface MAC address available on the router, the FE80::/10 prefix, and the EUI-64 process
- 17.A network administrator enters the command ipv6 router ospf 64in global configuration mode. What is the result of this command?
- A.
The router will be assigned an autonomous system number of 64.
- B.
The router will be assigned a router ID of 64.
- C.
The reference bandwidth will be set to 64 Mb/s.
- D.
The OSPFv3 process will be assigned an ID of 64.
- 18.Single area OSPFv3 has been enabled on a router via the ipv6 router ospf 20 command. Which command will enable this OSPFv3 process on an interface of that router?
- A.
Ipv6 ospf 0 area 0
- B.
Ipv6 ospf 20 area 20
- C.
Ipv6 ospf 0 area 20
- D.
Ipv6 ospf 20 area 0
- 19.Which command will verify that a router that is running OSPFv3 has formed an adjacency with other routers in its OSPF area?
- A.
Show running-configuration
- B.
Show ipv6 ospf neighbor
- C.
Show ipv6 interface brief
- D.
Show ipv6 route ospf
- 20.Which command will provide information specific to OSPFv3 routes in the routing table?
- A.
Show ip route ospf
- B.
Show ip route
- C.
Show ipv6 route
- D.
Show ipv6 route ospf
- 21.To quickly verify OSPFv3 configuration information including the OSPF process ID, the router ID, and the interfaces enabled for OSPFv3, you need to issue the command
- 22.The election of a DR and a BDR takes place on networks, such as Ethernet networks.
- 23.OSPF uses as a metric.
- 24.What message is displayed on www.ciscoville.com?
- A.
Finished!
- B.
Success!
- C.
Completion!
- D.
Converged!
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