What does the /20 indicate?

In the address 172.16.55.87 /20, what does the /20 indicate?

Question:

What does the /20 indicate?

Options:

the subnet can accommodate 20 hosts per network

/20 is the prefix length: the first 20 bits are the network address; the remaining 12 bits are the host portion

this subnet is the 20th usable range

this IP address is the 20th usable IP in the range

Correct Answer

The Correct Answer for this Question is

/20 is the prefix length: the first 20 bits are the network address; the remaining 12 bits are the host portion

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