Subnetting - Reasons

Which of the following is a subnet mask for a class B network?

/17 - or - 255.255.128.0

Which of the following is the correct subnet mask for a network that will 100 hosts on each subnet while borrowing the fewest bits and wasting the fewest host addresses?

/25

Which of the following is a class A default subnet mask?

/8

Which of the following is a class A private Internet Protocol (IP) address?

10.11.12.13

Which of the following is a class C default subnet mask?

255.255.255.0

Which of the following is the correct subnet mask for a network that will use 20 hosts on each subnet while borrowing the fewest bits and wasting the fewest host addresses?

255.255.255.224

Which of the following does a subnet mask identify?

Network bits

Which of the following is a component of an Internet Protocol (IP) address?

Network part

Which of the following is an Internet Protocol (IP) address that does not travel on the public Internet?

172.28.15.8

Which of the following is a class B private Internet Protocol (IP) address?

172.31.111.10

Which of the following is a class C private Internet Protocol (IP) address?

192.168.0.1 - or - 192.168.100.5

Which of the following occupations is going to use subnetting often?

Database administrator - or - Coder

Why is it often necessary to group things on a network together?

For more efficiency