Classless Addressing Flashcards by Hannah Foley

Q

what are the drawbacks of classful addressing

A

wasteful when jumping between classes eg C to B could leave a lot of hosts unused
lack of address flexibility
router table entries get clogged up

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Q

what is classless addressing

A

using addresses sparingly and on a needs basis by subnetting

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Q

what does CIDR stand for

A

classless inter domain routing

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