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Explanation:
By partitioning the address ranges increases the availability of addresses. Instead of having one size fits all, the
address ranges are pooled into different sizes to satisfy different needs, and provides a better distribution of
addresses.
Incorrect Answers:
B is incorrect; hierarchical addressing will not effect the distance between routers.
C is incorrect; Hierarchical addressing should DECREASE router memory requirements.
D is incorrect; routing information is needed because the adjacent networks are not sequential in line with the
current network, so a routing table is needed to know how to get to other networks.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 24-26.
Q.212
What is the link state routing protocol in the TCP/IP protocol stack?
A. IP
B. IS-IS
C. NLSP
D. OSPF
E. RIP ver 2
Answer: D
Explanation: OSPF is a link-state protocol that can be used in routing that is part of the TCP/IP protocol stack.
Incorrect Answers:
A is incorrect; IP is a protocol, and a routed protocol, but NOT a routing protocol.
B is incorrect; IS-IS is a routing algorithm used by the ISO protocol stack.
C is incorrect; NLSP is part of the Novell protocol stack.
E is incorrect; RIP (and RIP V2) are distance vector protocols.
Steve McQuerry. Interconnecting Cisco Network Devices. (Cisco Press: 2000) pages 274-276, 215-216, 331,
and 278.
Q. 213
You have powered on a new router and you want to create an initial configuration. Which mode should
you use?
A. Copy mode
B. User mode
C. Setup mode
D. Startup mode