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An ISP has requested a block of 1000 addresses. Can 18.14.12.0 be its first address?

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in Cryptograph & Network Security by (60.1k points)
An ISP has requested a block of 1000 addresses. Can 18.14.12.0 be its first address?

(a) Yes

(b) No

(c) Can’t Say

(d) Insufficient Data

I had been asked this question by my school principal while I was bunking the class.

My query is from Classless Addressing in portion Internet Protocol, Network Addressing and Transport Level Security of Cryptograph & Network Security

1 Answer

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Best answer
Correct option is (a) Yes

Easiest explanation: 18.14.12.0 is divisible by 1024 hence it can be taken as first address.

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