Project ForgeComputer Networks
Transport Protocols & IP Addressing
GATE 2012
Medium
In the IPv4 addressing format, the number of networks allowed under Class C addresses is
- A2¹⁴
- B2⁷
- 2²¹
- D2²⁴
Explanation
Class C addresses reserve the leading 3 bits as the fixed pattern '110', leaving 21 bits of the first 24 bits (3 octets) for the network ID, and the last octet (8 bits) for host addressing. So there are 2²¹ possible Class C networks.
Source: GATE CS 2012 (2012)
This question is part of a 15-day revision cycle — sign in and Project Forge will bring it back the day before you'd forget it.