多項(xiàng)選擇題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.


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1.多項(xiàng)選擇題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

2.單項(xiàng)選擇題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

3.單項(xiàng)選擇題On what kinds of networks does OSPF elect a backup designated router?()

A. Point-to-point and point-to-multipoint networks
B. Nonbroadcast and broadcast multipoint multicasting
C. Point-to-point and multi-access broadcasting
D. Point-to-multipoint and multi-access broadcasting
E. Nonbroadcast and broadcast multi-access

4.多項(xiàng)選擇題Which of the following are characteristics of OSPF areas?()

A. Hierarchical OSPF networks need to be in one area
B. Multiple OSPF areas must connect to area 0
C. Single area OSPF networks must be configured in area 1
D. Areas can be assigned any number from 0 to 63535
E. Area 0 is called the backbone area
F. Each OSPF area need to be configured with a loopback interface

5.多項(xiàng)選擇題What are some of the characteristics of the OSPF routing protocol?()

A. It confines network instability to a single area of network.
B. It increases the routing overhead of the network
C. It supports VLSM
D. It routes between Autonomous Systems.
E. It allows extensive control of routing updates
F. None of the above

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