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