Deck 13: Analyzing Subnet Masks

Question 1

Which of the following lists the prefix (CIDR) format equivalent of 255.255.224.0?

A) /19
B) /20
C) /21
D) /22

Answer 1

/19

Question 2

Which of the following lists the prefix (CIDR) format equivalent of 255.254.0.0?

A) /12
B) /13
C) /14
D) /15

Answer 2

/15

Question 3

Which of the following lists the prefix (CIDR) format equivalent of 255.255.240.0?

A) /18
B) /19
C) /20
D) /21

Answer 3

/20

Question 4

Which of the following is the dotted-decimal notation (DDN) equivalent of /11?

A) 255.128.0.0
B) 255.192.0.0
C) 255.224.0.0
D) 255.240.0.0

Question 5

Which of the following is the dotted-decimal notation (DDN) equivalent of /18?

A) 255.255.128.0
B) 255.255.192.0
C) 255.255.224.0
D) 255.255.240.0

Question 6

Which of the following is the dotted-decimal notation (DDN) equivalent of /27?

A) 255.255.255.128
B) 255.255.255.192
C) 255.255.255.224
D) 255.255.255.240

Question 7

You have a 255.255.255.240 mask. Which of the following is the valid CIDR notation?

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

Question 8

You have a 255.255.252.0 mask. Which of the following is the valid CIDR notation?

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

Question 9

You have a 255.192.0.0 mask. Which of the following is the valid CIDR notation?

A) /9
B) /10
C) /11
D) /12

Question 10

You are given the following information about the IP address of a host connected to the network, 200.10.5.68/28. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 12
B) S = 3
C) H = 4
D) N = 16

Question 11

You are given the following information about the IP address of a host connected to the network, 172.16.45.1/30. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N= 12
B) S = 14
C) H = 4
D) N = 8

Question 12

You are given the following information about the IP address of a host connected to the network, 172.16.66.0/21. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 16
B) S = 14
C) H = 4
D) S = 6

Question 13

While working at the help desk, you receive a call and learn that the IP address and mask of a user's PC are 192.168.192.10/29. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 16
B) S = 14
C) H = 4
D) S = 5

Question 14

While working at the help desk, you receive a call and learn that the IP address and mask of a user's PC are 192.168.192.10/29. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 16
B) S = 14
C) H = 3
D) S = 6

Question 15

You are given the following information about the IP address of a host connected to the network, 172.16.112.1/25. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 24
B) S = 14
C) H = 7
D) S = 6

Question 16

An engineer is thinking about the following IP address and mask using classful IP addressing 192.168.19.24/29. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 23
B) S = 14
C) H = 7
D) S = 5

Question 17

Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 23
B) S = 14
C) H = 5
D) S = 5

Question 18

While working at the help desk, you receive a call and learn that the IP address and mask of a user's PC are 192.168.192.10/29. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 6
B) S = 5
C) H = 4
D) S = 6

Question 19

While working at the help desk, you receive a call and learn that the IP address and mask of a user's PC are 10.11.12.36/11. Determine the number of network (N), subnet (S), and host (H) bits. Which of the following statements are TRUE?

A) N = 9
B) S = 14
C) H = 21
D) S = 6