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

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


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

·        

8

62

6

30

 

Which of the following are private IP networks? (Choose two.)

172.27.0.0

192.168.25.0

192.167.36.0

172.48.0.0

172.27.0.0     

·        

192.168.25.0

 

When calculating subnets, what two IP addresses must be subtracted from the host address space? (Select all that apply.)

Subnet number

Subnet broadcast address

Host broadcast address

Host number

 

·         Subnet broadcast address

 

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

area

subnet mask

wildcard mask

autonomous system

 

·         subnet mask

 

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?

216.122.44.0 /28

216.122.44.0 /26

216.122.44.0 /25

216.122.44.0 /27

 

·         216.122.44.0 /28

 

As the network engineer, you are asked to design an IP subnet plan that calls for three 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?

192.168.0.0 / 255.255.255.192

192.168.0.0 / 255.255.255.224

192.168.0.0 / 255.255.255.240

192.168.0.0 / 255.255.255.248

 

·         192.168.0.0 / 255.255.255.192

 

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

/24

/30

/21

/25

 

·         /21

 

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

30 subnets, 6 hosts

16 subnets, 14 hosts

62 subnets, 2 hosts

14 subnets, 14 hosts

 

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?

62 subnets and 2 hosts

30 subnets and 6 hosts

16 subnets and 16 hosts

16 subnets and 14 hosts

 

·         16 subnets and 14 hosts

 

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

192.168.192.127

192.168.192.31

192.168.192.63

192.168.192.15

 

·         192.168.192.15

 

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

255.255.255.248

255.255.255.252

255.255.255.240

255.255.255.254

 

·         255.255.255.240

 

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

1 subnet with 10 hosts

1 subnet with 254 hosts

192 subnets with 10 hosts

254 subnets with 254 hosts

 

·         1 subnet with 254 hosts

 

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?

134.119.0.0 /20

134.119.0.0 /22

134.119.0.0 /23

134.119.0.0 /21

 

·         134.119.0.0 /22

 

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

2x, X = host bits

2x — 2, X = network bits

2x, X = network bits

2x — 2, X = host bits

 

·         2x — 2, X = host bits

 

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

255.255.255.0

255.255.255.248

255.255.255.224

255.255.255.192

 

·         255.255.255.192

 

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?

177.133.0.0 / 255.255.248.0

177.133.0.0 / 255.255.254.0

177.133.0.0 / 255.255.252.0

177.133.0.0 / 255.255.240.0

 

·         177.133.0.0 / 255.255.254.0

 

As the network engineer, you are asked to design an IP subnet plan that calls for five 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?

152.77.0.0/21

152.77.0.0/17

152.77.0.0/19

152.77.0.0/18

 

·         152.77.0.0/19

 

 

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

255.255.255.240

255.255.255.192

255.255.255.248

255.255.255.224

 

·         255.255.255.224

 

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

172.16.10.20 through 172.16.10.22

172.16.10.17 through 172.16.10.31

172.16.10.17 through 172.16.10.30

172.16.10.1 through 172.16.10.255

172.16.10.16 through 172.16.10.23

 

·         172.16.10.17 through 172.16.10.30

 

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?

172.16.0.0 / 255.255.224.0

172.16.0.0 / 255.255.254.0

177.16.0.0 / 255.255.248.0

172.16.0.0 / 255.255.192.0

 

·         177.16.0.0 / 255.255.248.0

 

 

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?

192.177.4.0 / 255.255.255.192

192.177.4.0 / 255.255.255.248

192.177.4.0 / 255.255.255.224

192.177.4.0 / 255.255.255.240

 

·         192.177.4.0 / 255.255.255.224

 

 

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

255.255.255.248

255.255.255.192

255.255.255.240

255.255.255.224

 

·         255.255.255.224

 

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

8 subnets, 8190 hosts each

7 subnets, 2046 hosts each

7 subnets, 8190 hosts each

8 subnets, 2046 hosts each

8 subnets, 30 hosts each

 

·         8 subnets, 8190 hosts each

 

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

4 networks with 64 hosts

2 network with 62 hosts

254 networks with 62 hosts

4 networks with 62 hosts

 

·         4 networks with 62 hosts

 

Which of the following are public IP network IDs? (Choose two.)

192.168.0.0

172.32.0.0

8.0.0.0

172.16.25.0

·         8.0.0.0

172.32.0.0

 

 

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