Network Layer- Subnetting Question or MCQ-2

Q 2. How many number of Host and subnet in subnet mask 255.255.252.0 ?

(a) 64 & 1022

(b) 128 & 1024

(c) 64 & 512

(d) 1022 & 64

Answer :- (d)

Explanation :- convert decimal number 255.255.252.0 to binary numbers

11111111.11111111.11111100.00000000

Total 1’s ones in above IP Address is 22 and Total Zero in above IP address is 10.

Maximum number of Host in each Sub nets will be 2¹⁰ =1024.

Maximum number of Usable Host in each Sub nets will be 2¹⁰-2 =1024-2=1022.

Here we Talk about Subnet so Third Octant have 6 ones.

Total Number of Sub nets will be 2⁶ =64

Correct Answer D 1022 Host and 64 Subnets