单项选择题
Which one of the following answer choices below is true regarding the OSPF topology database?（）
A. All entries in the topology database will be included on each router.
B. All routers in the same OSPF area will have one topology database.
C. The Dijkstra algorithm is used in the creation of the topology database.
D. LSA packets are used to update and maintain the topology database.
相关考题
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多项选择题
What are two characteristics of the OSPF process identifier?（）
A. It is needed to identify a unique instance of an OSPF database.
B. It is an optional parameter only necessary if multiple OSPF processes are used.
C. It is locally significant.
D. It is globally insignificant
E. All routers in the same OSPF area must have the same process ID to exchange routing information. -
多项选择题
Which two of the following are valid characteristics of EIGRP?（）
A. Has a maximum hop count of 25
B. Can differentiate between internal and external routes
C. Uses a 32-bit metric
D. Can maintain only one routing table
E. Need all networks to use the same subnet mask
F. Supports only one routed protocol -
单项选择题
By default, how often does a router running IGRP send its complete routing table to its neighbors?（）
A. Every 5 minutes
B. Every 90 seconds
C. Every 60 seconds
D. Every 30 seconds
