Computer Network Mcqs

Page No. 51

Which protocol maintains neighbor adjacencies?


aRIPv2 and EIGRP

✖


bIGRP and EIGRP

✖


cRIPv2

✓


dEIGRP

✖


View Answer RIPv2

What does administrative distance rank?


aMetrics

✖


bSources of routing information

✓


cRouter reliability

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dBest paths

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Which is a reason for avoiding doing route redistribution on two routers between the same two routing domains?


aHigher cost of two routers

✖


bRouting feedback

✓


cCisco IOS incompatibility

✖


dNot possible to use two routers

✖


View Answer Routing feedback

Which two routing protocols can be redistributed into OSPF by a Cisco router?


a IP EIGRP and AppleTalk EIGRP

✖


b AppleTalk EIGRP and RIPv2

✖


c RIPv2 and IP EIGRP

✓


d IPX RIP & AppleTalk EIGRP

✖


View Answer RIPv2 and IP EIGRP

Which of the situations might not require multiple routing protocols in a network?


aWhen a new Layer 2-only switch is added to the network

✓


bWhen you are migrating from one routing protocol to another

✖


cWhen you are using routers from multiple vendors

✖


dWhen there are host-based routers from multiple vendors

✖



Which of the following is true regarding RIPv2?


a It has a lower administrative distance than RIPv1

✖


bIt converges faster than RIPv1

✖


c It has the same timers as RIPv1

✓


dIt is harder to configure than RIPv1

✖



What is route poisoning?


aIt sends back the protocol received from a router as a poison pill, which stops the regular updates. The use of variable length subnet masks is permitted

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bIt is information received from a router that can’t be sent back to the originating router.RIPv2 supports classless routing

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c It prevents regular update messages from reinstating a route that has just come up

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dIt describes when a router sets the metric for a downed link to infinity

✓



Which statement is true regarding classless routing protocols?


aThe use of discontinuous networks is not allowed

✖


bThe use of variable length subnet masks is permitted

✓


c RIPv1 is a classless routing protocol

✖


dRIPv2 supports classless routing

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Cryptographic hash function takes an arbitrary block of data and returns _________


a fixed size bit string

✓


b variable size bit string

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c both fixed size bit string and variable size bit string

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dvariable sized byte string

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ElGamal encryption system is __________


asymmetric key encryption algorithm

✖


basymmetric key encryption algorithm

✓


c not an encryption algorithm

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d block cipher method

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