Subnetting Quiz 1 ⋆ IpCisco

SUBNETTING QUIZ 1

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YOU HAVE COMPLETED SUBNETTING QUIZ 1.

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Question 1

What is the binary equivalent of 188?

A	10111101
B	10110000
C	10101100
D	10111100
E	10001111

Question 2

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

A	172.18.16.15
B	172.18.16.54
C	172.18.16.16
D	172.18.16.1
E	172.18.16.0

Question 3

What is the decimal equivalent of 01001010?

A	70
B	140
C	72
D	142
E	74

Question 4

What is the broadcast address of prefix 172.18.16.0/21?

A	172.18.30.255
B	172.18.255.255
C	172.18.0.255
D	172.18.25.255
E	172.18.23.255

Question 4 Explanation:

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

Question 5

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

A	255.255.255.240
B	255.255.255.128
C	255.255.255.254
D	255.255.255.224
E	255.255.255.248

Question 6

What is the binary equivalent of Subnet Mask 255.255.128.0?

A	11111111.11111111.00000000.00000000
B	11111111.11111111.10000000.00000000
C	11111111.11111111.00000001.00000000
D	11111111.11111111.11111111.00000000
E	11111111.11111111.11111111.00000001

Question 7

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?

A	255.255.255.224 (/27)
B	255.255.255.128 (/25)
C	255.255.255.192 (/26)
D	255.255.255.0 (/24)
E	255.255.255.240 (/28)

Question 8

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

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

Question 9

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

A	2
B	255
C	224
D	1
E	254

Question 10

Which one is a Class A address?

A	200.55.12.34
B	192.1.52.5
C	10.1.152.8
D	172.8.202.140
E	172.8.10.1

Question 11

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

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

Question 12

The decimal dotted format of /26 is :

A	255.255.255.0
B	255.255.255.240
C	255.255.255.248
D	255.255.255.224
E	255.255.255.192

Question 13

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

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

Question 14

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

A	182.144.10.6
B	182.144.10.1
C	182.144.10.255
D	182.144.10.0
E	182.144.10.254

Question 15

What is the binary equivalent of IPv4 address 201.18.171.15?

A	11001001.00010010.10111011.00011111
B	11001001.00110010.10011011.00011110
C	11001001.00010010.10111011.00010011
D	11001011.00010011.10111011.00011111
E	11001001.00010010.10101011.00001111

Question 16

Which subnet does host 12.120.1.185/25 belong to?

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

Question 17

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 - 10.145.100.255
C	10.145.100.1 - 10.145.100.30
D	10.145.100.1 - 10.145.100.255
E	10.145.100.0 - 10.145.100.63

Question 18

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

A	102.74.201.255
B	102.74.200.255
C	102.74.200.0
D	102.74.202.255
E	102.74.203.0

Question 18 Explanation:

HostMin: 102.74.200.1 01100110.01001010.1100100 0.00000001 HostMax: 102.74.201.254 01100110.01001010.1100100 1.11111110

Question 19

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

A	255.255.255.224
B	255.255.255.248
C	255.255.255.240
D	255.255.255.252
E	255.255.255.254

Question 20

Address 172.16.1.1 is belong to Class .....

A	B
B	D
C	A
D	E
E	C

Once you are finished, click the button below. Any items you have not completed will be marked incorrect. Get Results

There are 20 questions to complete.

gokhankosem

Gokhan Kosem is a Network Engineer, Instructor and the Founder of IPCisco.com with 15+ years of experience in Cisco, Nokia, Huawei, Juniper, Linux, Service Provider Networks, Routing and Switching technologies.

He has worked on the backbone networks of major service providers and network vendors including Nortel, Alcatel-Lucent (Nokia) and has extensive hands-on experience with Cisco, Huawei, Juniper and Nokia networking technologies.

He has trained thousands of networking students worldwide through IPCisco.com, Udemy, books, labs, quizzes, and educational content across multiple social media platforms.

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Subnetting Quiz 1

SUBNETTING QUIZ 1

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