Deck 11: Perspectives on IPV4 Subnetting

Question 1

Your boss has asked you to tell him how many usable subnets and hosts a Class C network with the IP address and mask of 192.168.10.0/28 can have. How should you respond?

A) 16 subnets and 16 hosts
B) 16 subnets and 14 hosts
C) 30 subnets and 6 hosts
D) 62 subnets and 2 hosts

Answer 1

16 subnets and 14 hosts

Question 2

What valid host range is the IP address 172.16.10.22 255.255.255.240 a part of?

A) 172.16.10.20 through 172.16.10.22
B) 172.16.10.1 through 172.16.10.255
C) 172.16.10.16 through 172.16.10.23
D) 172.16.10.17 through 172.16.10.31
E) 172.16.10.17 through 172.16.10.30

Answer 2

172.16.10.17 through 172.16.10.30

Question 3

If you wanted to have 12 subnets with a Class C network ID, which subnet mask would you use?

A) 255.255.255.252
B) 255.255.255.248
C) 255.255.255.240
D) 255.255.255.254

Answer 3

255.255.255.240

Question 4

If you are using a Class C network ID with 2 subnets and need 31 hosts per network, which of the following masks should you use?

A) 255.255.255.0
B) 255.255.255.192
C) 255.255.255.224
D) 255.255.255.248

Question 5

How many subnets and hosts are provided by the network 192.168.254.0/26?

A) 4 networks with 64 hosts
B) 4 networks with 62 hosts
C) 254 networks with 62 hosts
D) 2 network with 62 hosts

Question 6

Which of the following are private IP networks?

A) 172.48.0.0
B) 172.27.0.0
C) 192.168.25.0
D) 192.167.36.0

Question 7

Which of the following are public IP network IDs?

A) 8.0.0.0
B) 172.16.25.0
C) 192.168.0.0
D) 172.32.0.0

Question 8

You have the network 192.168.10.0/24. How many subnets and hosts are available?

A) 1 subnet with 10 hosts
B) 1 subnet with 254 hosts
C) 192 subnets with 10 hosts
D) 254 subnets with 254 hosts

Question 9

You have an interface on a router with the IP address 192.168.192.10/29. How many total host addresses can exist on the subnet of the LAN attached to this router's interface?

A) 6
B) 8
C) 30
D) 62

Question 10

You have an interface on a router with the IP address 192.168.192.10/29. What is the broadcast address the hosts will use on this LAN?

A) 192.168.192.15
B) 192.168.192.31
C) 192.168.192.63
D) 192.168.192.127

Question 11

You have a Class B network and need 29 subnets. What is your mask?

A) /30
B) /25
C) /24
D) /21

Question 12

The network address 172.16.0.0/19 provides how many subnets and hosts?

A) 7 subnets, 2046 hosts each
B) 7 subnets, 8190 hosts each
C) 8 subnets, 30 hosts each
D) 8 subnets, 2046 hosts each
E) 8 subnets, 8190 hosts each

Question 13

You need to subnet a class C network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?

A) 255.255.255.192
B) 255.255.255.224
C) 255.255.255.240
D) 255.255.255.248

Question 14

As the network engineer, you are asked to design an IP subnet plan that calls for 5 subnets. The largest subnet needs a minimum of 5000 hosts. Management requires that a single mask must be used throughout the Class B network. Which of the following is a public IP network and mask that would meet the requirements?

A) 152.77.0.0/19
B) 152.77.0.0/18
C) 152.77.0.0/21
D) 152.77.0.0/17

Question 15

As the network engineer, you are asked to design a plan for an IP subnet that calls for 25 subnets. The largest subnet needs a minimum of 750 hosts. Management requires that a single mask must be used throughout the Class B network. Which of the following lists a private IP network and mask that would meet the requirements?

A) 172.16.0.0 / 255.255.192.0
B) 172.16.0.0 / 255.255.224.0
C) 177.16.0.0 / 255.255.248.0
D) 172.16.0.0 / 255.255.254.0

Question 16

As the network engineer, you are asked to design an IP subnet plan that calls for 3 subnets. The largest subnet needs a minimum of 52 hosts. Management requires that a single mask must be used throughout the Class C network. Which of the following is a private IP network and mask that would meet the requirements?

A) 192.168.0.0 / 255.255.255.192
B) 192.168.0.0 / 255.255.255.224
C) 192.168.0.0 / 255.255.255.240
D) 192.168.0.0 / 255.255.255.248

Question 17

As the network engineer, you are asked to design an IP subnet plan that calls for 100 subnets. The largest subnet needs a minimum of 350 hosts. Management requires that a single mask must be used throughout the Class B network. Which of the following is a public IP network and mask that would meet the requirements?

A) 177.133.0.0 / 255.255.254.0
B) 177.133.0.0 / 255.255.252.0
C) 177.133.0.0 / 255.255.248.0
D) 177.133.0.0 / 255.255.240.0

Question 18

As the network engineer, you are asked to design an IP subnet plan that calls for 12 subnets. The largest subnet needs a minimum of 12 hosts. Management requires that a single mask must be used throughout the Class C network. Which of the following is a public IP network and mask that would meet the requirements?

A) 216.122.44.0 /25
B) 216.122.44.0 /26
C) 216.122.44.0 /27
D) 216.122.44.0 /28

Question 19

If you have a Class C 192.168.10.0/28 network, how many usable subnets and hosts are available?

A) 14 subnets, 14 hosts
B) 16 subnets, 14 hosts
C) 30 subnets, 6 hosts
D) 62 subnets, 2 hosts

Question 20

As the network engineer, you are asked to design an IP subnet plan that calls for 50 subnets. The largest subnet needs a minimum of 600 hosts. Management requires that a single mask must be used throughout the Class B network. Which of the following is a public IP network and mask that would meet the requirements?

A) 134.119.0.0 /20
B) 134.119.0.0 /21
C) 134.119.0.0 /22
D) 134.119.0.0 /23

Question 21

As the network engineer, you are asked to design an IP subnet plan that calls for 5 subnets. The largest subnet needs 25 hosts. Management requires that a single mask must be used throughout the Class C network. Which of the following is a public IP network and mask that would meet the requirements?

A) 192.177.4.0 / 255.255.255.192
B) 192.177.4.0 / 255.255.255.224
C) 192.177.4.0 / 255.255.255.240
D) 192.177.4.0 / 255.255.255.248

Question 22

You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which subnet mask would you use?

A) 255.255.255.192
B) 255.255.255.224
C) 255.255.255.240
D) 255.255.255.248

Question 23

When you are designing IP subnets, the ________ defines the size of the subnet.

A) Autonomous system
B) Wildcard mask
C) Subnet mask
D) Area

Question 24

What is the correct formula for calculating the number of usable host IP addresses in a subnet?

A) 2^x, X = host bits
B) 2^x, X = network bits
C) 2^x - 2, X = network bits
D) 2^x - 2, X = host bits

Question 25

When calculating subnets, what two IP addresses must be subtracted from the host address space?

A) Subnet number
B) Subnet broadcast address
C) Host broadcast address
D) Host number

Question 26

Which of the following ensure that all the organizations that connect to the Internet use unique IP addresses?

A) Private IP Network
B) Public IP Network
C) Shared IP Network
D) Classless IP Network