Networking - Networking Basics - Discussion

Discussion :: Networking Basics - Networking Basics (Q.No.20)

20. 

Which class of IP address has the most host addresses available by default?

[A]. A
[B]. B
[C]. C
[D]. A and B

Answer: Option A

Explanation:

Class A addressing provides 24 bits for host addressing.

Sachin Dohre said: (Sep 16, 2012)  
Class A networks range from 1 to 127. The default subnet mask is
255.0.0.0; thus, by default, the first octet defines the network, and last three
octets define the host. This results in a maximum of 127 Class A networks,
with 16,777,214 hosts per network

Assefa said: (May 22, 2016)  
Thank you for giving this question. It's very useful for me.

Eee said: (Dec 18, 2016)  
Please give the address bit range for remaining class.

Jafar said: (Mar 8, 2017)  
Please give the address bit range for remaining class.

Srinu said: (Sep 18, 2017)  
Anyone give address bit range for another class.

Akash said: (Oct 31, 2017)  
Class A - 0 - 127. 127 is used for loop-back.
Class B - 128 - 191.
Class C - 192 - 223.
Class D - 224 - 239 Reserve for multi-casting.
Class E - 240 to 255. Reserve for future use and R&D.

Shoeb Khan said: (Nov 14, 2017)  
Class A 0-126.
127 is used for PING (loop back).

Nizam said: (Nov 16, 2018)  
What mean by loop back?

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