Question 1

As the network engineer, you are given the following IP address information: 172.16.8.159 / 255.255.255.192. Identify the broadcast address.

Accepted Answer

A)   172.16.255.255
B)   172.16.8.127
C)   172.16.8.191
D)   172.16.8.255 C

Question 2

As the network engineer, you are shown the following IP address and subnet mask: 10.100.48.27/19. What is the valid host range for this IP address?

Accepted Answer

A)   10.100.0.1 through 10.100.31.255
B)   10.100.32.1 through 10.100.63.254
C)   10.100.32.0 through 10.100.63.255
D)   10.100.32.1 through 10.100.95.255 B

Question 3

What are the main roles for the subnet broadcast address?

Accepted Answer

A)   As a means of finding the high range of addresses in a subnet
B)   As a means of finding the low range of addresses in a subnet
C)   An address to send packets to specific hosts in a subnet
D)   An address to send packets to all hosts in a subnet A, D

Question 4

As the network engineer, you are provided with the following IP address and subnet mask 172.16.10.22 255.255.255.240. What is the valid host range for this IP address?

Accepted Answer

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

Question 5

As the network engineer, you are presented with the following IP address and subnet mask: 10.10.110.5 / 255.255.255.192. What is the valid host range for this IP address?

Accepted Answer

A)   10.10.110.1 through 10.10.110.63
B)   10.10.110.1 through 10.10.110.126
C)   10.10.110.0 through 10.10.110.62
D)   10.10.110.1 through 10.10.110.62

Question 6

As the network engineer, you're shown the following IP address information: 192.168.10.33 / 255.255.255.248. Identify the broadcast address.

Accepted Answer

A)   192.168.10.40
B)   192.168.10.255
C)   192.168.255.255
D)   192.168.10.39

Question 7

You have an interface on a router with the IP address 192.168.192.113/29. What is the broadcast address the hosts will use on this LAN?

Accepted Answer

A)   192.198.192.111
B)   192.168.192.119
C)   192.168.192.127
D)   192.168.192.135

Question 8

As the network engineer, you are given the following subnet IDs: 172.32.64.0, 172.32.168.0, and 172.32.192.0. Which of the following masks could be applied to this network?

Accepted Answer

A)   255.255.128.0
B)   255.255.192.0
C)   255.255.224.0
D)   225.255.248.0

Question 9

What is the first step in figuring out the usable range of addresses in a subnet?

Accepted Answer

A)   To calculate the number of subnets that is allowed by the configured mask
B)   To calculate the subnet address and the broadcast address
C)   To calculate the subnet multicast address
D)   To calculate the number of subnets that is allowed by the configured address

Question 10

Which of the following is the broadcast address for the subnet in which IP address 200.10.5.68/28 resides?

Accepted Answer

A)   200.10.5.31
B)   200.10.5.47
C)   200.10.5.79
D)   200.10.5.95

Question 11

If the host on a network has the address 172.16.66.50/21, what is the subnet ID to which this host belongs?

Accepted Answer

A)   172.16.48.0
B)   172.16.56.0
C)   172.16.64.0
D)   172.16.72.0

Question 12

Which of the following are valid subnet IDs for network 172.168.0.0, assuming mask 255.255.252.0 is used throughout network 172.168.0.0?

Accepted Answer

A)   172.168.2.0
B)   172.168.4.0
C)   172.168.42.0
D)   172.168.108.0
E)   172.168.110.0

Question 13

Which of the following would be a usable IP address to assign to a host in the network 192.168.10.32/28?

Accepted Answer

A)   192.168.10.39
B)   192.168.10.47
C)   192.168.10.14
D)   192.168.10.54

Question 14

If the host on a network has the address 172.16.45.25/30, what is the subnet ID to which this host belongs?

Accepted Answer

A)   172.16.45.16
B)   172.16.45.20
C)   172.16.45.24
D)   172.16.45.28

Question 15

As the network engineer, you are presented with the following 172.16.0.0/18 IP addressing information. Identify all the possible subnet IDs from the list below, assuming that the /18 subnet is used throughout the network.

Accepted Answer

A)   172.16.127.255
B)   172.16.192.0
C)   172.16.64.0
D)   172.16.191.255

Question 16

For the address 192.86.26.97/29, what is the binary conversion of the broadcast address?

Accepted Answer

A)   11000000 01010110 00011010 01100000
B)   11000000 01010110 00011010 01101111
C)   11000000 01010110 00011010 01100111
D)   11000000 01010110 00011010 01101000

Question 17

For the IP address 172.184.58.184/27, how many configurable network, subnet, and host bits exist?

Accepted Answer

A)   Network: 15, subnet: 3, host: 13
B)   Network: 15, subnet: 12, host: 4
C)   Network: 5, subnet: 14, host: 11
D)   Network: 14, subnet: 11, host: 5

Question 18

You have a 255.255.255.240 mask. Which of the following are valid host addresses?

Accepted Answer

A)   192.168.10.210
B)   192.168.10.32
C)   192.168.10.94
D)   192.168.10.112
E)   192.168.10.127

Question 19

When an engineer configures a router with its IP address and mask, the router will automatically calculate the ________ and insert it into the routing table.

Accepted Answer

A)   Subnet broadcast address
B)   Subnet ID
C)   Network class
D)   Network inverse mask

Question 20

As the network engineer, you need to configure a server that is on the same subnet as a host that's assigned the IP address 192.168.19.24/28.28. The router has the first available host address. Which of the following IP addresses and masks could you assign to the server in this network?

Accepted Answer

A)   192.168.19.0 / 255.255.255.0
B)   192.168.19.27 / 255.255.255.240
C)   192.168.19.26 / 255.255.255.248
D)   192.168.19.31 / 255.255.255.248
E)   192.168.19.34 / 255.255.255.240

Exam 14: Analyzing Existing Subnets