What does CIDR stand for?

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Multiple Choice

What does CIDR stand for?

Explanation:
CIDR stands for Classless Inter-Domain Routing. It reflects a shift from fixed class A/B/C addressing to a prefix-based system that uses variable-length subnet masks to allocate IP addresses more efficiently and to enable route aggregation. In practice, CIDR allows networks to be defined with any prefix length, such as 192.168.0.0/24 or 10.0.0.0/8, which helps reduce the size of routing tables by letting routers summarize routes. The term “Classless” indicates no fixed classful blocks, “Inter-Domain” points to routing between different networks, and “Routing” is the process of forwarding packets based on the destination prefix.

CIDR stands for Classless Inter-Domain Routing. It reflects a shift from fixed class A/B/C addressing to a prefix-based system that uses variable-length subnet masks to allocate IP addresses more efficiently and to enable route aggregation. In practice, CIDR allows networks to be defined with any prefix length, such as 192.168.0.0/24 or 10.0.0.0/8, which helps reduce the size of routing tables by letting routers summarize routes. The term “Classless” indicates no fixed classful blocks, “Inter-Domain” points to routing between different networks, and “Routing” is the process of forwarding packets based on the destination prefix.

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