MCQ IN COMPUTER SCIENCE & ENGINEERING

Detailed explanation-1: -Reserved Addresses 0.0” and “255.255. 255.255.” Another number, “127.0. 0.1” is called the “localhost; ” every computer on a network refers to itself as this address. Because these numbers have special meanings, the network does not assign them to PCs; such addresses would be invalid.

Detailed explanation-2: -Which is a valid IP address? 128.42. 64.78 has the correct notation and does not containany numbers that can’t be represented by a single octet.

Detailed explanation-3: -That is, it is a restricted broadcast address. For the local host, this address refers to all hosts in the network segment (same broadcast domain). Therefore, this address cannot be used for communication.