In CIDR notation, what does a /24 subnet indicate?

In CIDR notation, what does a /24 subnet indicate?

Step 1: Understand what CIDR stands for. CIDR means Classless Inter-Domain Routing.
Step 2: Recognize that the '/24' in CIDR notation indicates how many bits are used for the network part of the address.
Step 3: Realize that a '/24' means 24 bits are used for the network and the remaining bits are used for host addresses.
Step 4: Know that an IPv4 address has a total of 32 bits.
Step 5: Calculate the number of bits left for host addresses: 32 total bits - 24 network bits = 8 host bits.
Step 6: Understand that the number of addresses available is calculated as 2 raised to the power of the number of host bits: 2^8 = 256 addresses.
Step 7: Learn that the subnet mask for a /24 is 255.255.255.0, which corresponds to the 24 network bits.

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