Subnetting Quiz

How many usable hosts are there in a /26 subnet?

• 62

• 64

• 60

• 126

How many usable hosts can a /29 subnet support?

• 4

• 6

• 8

• 2

A /24 subnet provides how many usable IP addresses?

• 256

• 255

• 254

• 253

What is the number of usable hosts in a /30 subnet?

• 6

• 4

• 2

• 0

How many usable IP addresses are available in a /23 subnet?

• 510

• 512

• 508

• 1022

What is the number of usable hosts in a /21 subnet?

• 1022

• 2046

• 2048

• 1024

How many usable hosts are there in a subnet with a subnet mask of 255.255.255.192?

• 62

• 64

• 126

• 30

If a subnet has 2^n - 2 = 14 usable hosts, what is the CIDR notation?

• /27

• /28

• /29

• /30

A /22 network has how many usable hosts?

• 1022

• 1024

• 2046

• 2048

Which subnet prefix allows for 126 usable IP addresses?

• /24

• /25

• /26

• /27