In IPv4 addressing, what is the purpose of CIDR notation ?
2024
In IPv4 addressing, what is the purpose of CIDR notation ?
- A.
To indicate the Maximum Transmission Unit (MTU)
- B.
To specify the address range and subnet mask in a concise format
- C.
To identify reserved IP addresses
- D.
To facilitate dynamic IP allocation using DHCP
Attempted by 64 students.
Show answer & explanation
Correct answer: B
CIDR (Classless Inter-Domain Routing) notation specifies the network prefix length using a slash followed by a number, such as /24. This concise format indicates how many bits define the network portion versus host portion, enabling efficient IP address allocation and routing.