Subnetting Quiz 1 ⋆ IpCisco

SUBNETTING QUIZ 1

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YOU HAVE COMPLETED SUBNETTING QUIZ 1.

YOU HAVE %%SCORE%% TRUE ANSWERS OUT OF %%TOTAL%% QUESTIONS.

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Question 1

What is the broadcast address of prefix 172.18.16.0/21?

A	172.18.255.255
B	172.18.30.255
C	172.18.23.255
D	172.18.25.255
E	172.18.0.255

Question 1 Explanation:

Network: 172.18.16.0/21 10101100.00010010.00010 000.00000000 Broadcast: 172.18.23.255 10101100.00010010.00010 111.11111111

Question 2

Address 172.16.1.1 is belong to Class .....

A	E
B	A
C	C
D	B
E	D

Question 3

How many subnets and how many hosts in each subnet are there for the network address 80.160.0.0/20?

A	512 / 4094
B	4094 / 4096
C	512 / 4096
D	4096 / 4094
E	4096 / 512

Question 4

What is the decimal equivalent of 01001010?

A	74
B	142
C	72
D	140
E	70

Question 5

If you need to have 5 subnets, which subnet mask do you use?

A	255.255.255.240
B	255.255.255.254
C	255.255.255.224
D	255.255.255.248
E	255.255.255.252

Question 6

How many IP addresses can be assigned to hosts, for Subnet Mask 255.255.255.0?

A	254
B	255
C	2
D	1
E	224

Question 7

What is the first usable host address of prefix 172.18.16.0/21?

A	172.18.16.15
B	172.18.16.0
C	172.18.16.16
D	172.18.16.1
E	172.18.16.54

Question 8

IP address 10.145.100.6/27 is a part of which host range?

A	10.145.100.0 - 10.145.100.32
B	10.145.100.0 - 10.145.100.63
C	10.145.100.1 - 10.145.100.30
D	10.145.100.1 - 10.145.100.255
E	10.145.100.0 - 10.145.100.255

Question 9

Which subnet does host 12.120.1.185/25 belong to?

A	12.120.1.128/25
B	12.120.1.1/25
C	12.120.1.64/25
D	12.120.1.192/25
E	12.120.1.0/25

Question 10

Which Mask is most effective for a Point-to-Point network?

A	/28
B	/27
C	/24
D	/30
E	/29

Question 11

What is the binary equivalent of IPv4 address 201.18.171.15?

A	11001001.00010010.10111011.00011111
B	11001001.00010010.10111011.00010011
C	11001001.00110010.10011011.00011110
D	11001001.00010010.10101011.00001111
E	11001011.00010011.10111011.00011111

Question 12

We have an IP prefix 102.74.200.1/23.Which of the following can be valid host IDs for this prefix?

A	102.74.202.255
B	102.74.200.0
C	102.74.203.0
D	102.74.201.255
E	102.74.200.255

Question 12 Explanation:

HostMin: 102.74.200.1 01100110.01001010.1100100 0.00000001 HostMax: 102.74.201.254 01100110.01001010.1100100 1.11111110

Question 13

The decimal dotted format of /26 is :

A	255.255.255.248
B	255.255.255.240
C	255.255.255.224
D	255.255.255.192
E	255.255.255.0

Question 14

If you would like to give IP address to 30 hosts from your IP prefix which subnet mask do you use most effectively?

A	255.255.255.254
B	255.255.255.240
C	255.255.255.248
D	255.255.255.224
E	255.255.255.128

Question 15

Which one is a Class A address?

A	10.1.152.8
B	192.1.52.5
C	200.55.12.34
D	172.8.202.140
E	172.8.10.1

Question 16

What is the subnetwork number of a host with an IP address of 100.155.1.0/21?

A	100.155.0.0/21
B	100.155.255.0/21
C	100.155.1.0/21
D	100.155.0.255/21
E	100.155.255.1/21

Question 17

What is the binary equivalent of Subnet Mask 255.255.128.0?

A	11111111.11111111.00000001.00000000
B	11111111.11111111.10000000.00000000
C	11111111.11111111.11111111.00000001
D	11111111.11111111.11111111.00000000
E	11111111.11111111.00000000.00000000

Question 18

What is the last usable host address of prefix 182.144.10.0/29?

A	182.144.10.254
B	182.144.10.255
C	182.144.10.1
D	182.144.10.6
E	182.144.10.0

Question 19

What is the binary equivalent of 188?

A	10111101
B	10001111
C	10110000
D	10101100
E	10111100

Question 20

We have a network address 192.168.1.0 and we would like to divide this network into 7 subnets and there must be at least 18 host addresses in each subnet. Which subnet mush should we use?