Question Bank - Computer Networks

Here's the question bank on all the computer networks topics.

In IP Class-C addresses, the three higher order bits of the first octet are set to:

A.
10
B.
101
C.
110
D.
100

Solution:

Class C addressIf the address belonging to class C is assigned to small-sized networks.The network ID is 24 bits longThe host ID is 8 bits longThe higher-order bits of the first octet of the IP address of class C is always set to 110.The remaining 21 bits are used to determine network ID.The 8 bits of host ID is used to determine the past in using the network.Class C has total ofa) 221 = 2097152 network addressesb) 28 “ 2 = 255 host addressIf addresses belonging to class C range from 192.0.0x “ 223.255.255.x' The default subnet mask for class C is 255.255.255.xNote:Reserved bits for different classes are shown below

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