11. What are the reasons for creating OSPF in a hierarchical design?
1. To decrease routing overhead
2. To speed up convergence
3. To confine network instability to single areas of the network
4. To make configuring OSPF easier
A. 1, 2 and 3
B. 3 only
C. 3 and 4
D. 2, 3 and 4
12. Which two of the following commands will place network 10.2.3.0/24 into area 0?
1. router eigrp 10
2. router ospf 10
3. network 10.0.0.0
4. network 10.2.3.0 0.0.0.255 area0
5. network 10.2.3.0 0.0.0.255 area 0
A. 1 and 4
B. 2, 4, and 5
C. 2 and 5
D. 3 and 4
13. If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?
A. The lowest IP address of any physical interface
B. The highest IP address of any physical interface
C. The lowest IP address of any logical interface
D. The highest IP address of any logical interface
14. Which of the following protocols support VLSM, summarization, and discontiguous networking?
1. RIPv1
2. IGRP
3. EIGRP
4. OSPF
5. BGP
6. RIPv2
A. 1 and 4
B. 2 and 5
C. 3, 4 and 6
D. All of the above
15. You get a call from a network administrator who tells you that he typed the following into his router:
A. The wildcard mask is incorrect.
B. The OSPF area is wrong.
C. The OSPF Process ID is incorrect.
D. The AS configuration is wrong.