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Q.

In the _______ tree approach, each router needs to have one shortest path tree for each group.

A

group-shared

B

source-based

C

a or b

D

none of the above

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MCQ

1.

The use of hierarchy in routing tables can ________ the size of the routing tables

A

reduce

B

increase

C

both a and b

D

none of the above

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A _______ message tells an upstream router to start sending multicast messages for a specific group through a specific router.

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weed

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graft

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prune

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none of the above

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In ______, the router forwards the received packet through only one of its interfaces.

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unicasting

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multicasting

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broadcasting

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none of the above

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The principle of ________ states that the routing table is sorted from the longest mask to the shortest mask

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first mask matching

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shortest mask matching

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none of the above

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5.

The idea of address aggregation was designed to alleviate the increase in routing table entries when using ________

A

classful addressing

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classless addressing

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both a and b

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none of the above

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