In CIDR notation, what does a /22 subnet mask indicate?
Practice Questions
Q1
In CIDR notation, what does a /22 subnet mask indicate?
255.255.252.0
255.255.255.0
255.255.255.252
255.255.255.128
Questions & Step-by-Step Solutions
In CIDR notation, what does a /22 subnet mask indicate?
Step 1: Understand what CIDR notation is. CIDR stands for Classless Inter-Domain Routing, and it is a way to specify IP addresses and their associated network masks.
Step 2: Recognize that the '/22' in CIDR notation indicates the number of bits used for the network part of the address. In this case, 22 bits are used for the network.
Step 3: Calculate the subnet mask. A /22 subnet mask means that the first 22 bits are '1's and the remaining bits (10 bits) are '0's. This translates to 255.255.252.0 in decimal format.
Step 4: Determine how many IP addresses are available in a /22 subnet. The formula to calculate the number of IP addresses is 2^(32 - subnet bits). For /22, it is 2^(32 - 22) = 2^10 = 1024 IP addresses.
Step 5: Conclude that a /22 subnet mask allows for 1024 IP addresses in the subnet.
