Subnetting Quiz 2 ⋆ IpCisco

SUBNETTING QUIZ 2

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Question 1

Which one is a Class B address?

A	200.100.6.1
B	10.74.15.5
C	120.6.100.6
D	6.100.67.100
E	150.46.95.1

Question 2

The decimal dotted format of /25 is :

A	255.255.255.252
B	255.255.255.248
C	255.255.255.192
D	255.255.255.240
E	255.255.255.128

Question 3

We have an IP prefix 10.77.82.9/25.Which of the following can be valid host IDs for this prefix?

A	10.77.82.189
B	10.77.82.255
C	10.77.82.127
D	10.77.82.254
E	10.77.82.57

Question 3 Explanation:

HostMin: 10.77.82.1 00001010.01001101.01010010.0 0000001 HostMax: 10.77.82.126 00001010.01001101.01010010.0 1111110

Question 4

What is the decimal equivalent of 11001110?

A	204
B	200
C	182
D	180
E	206

Question 5

What is the broadcast address of prefix 10.102.7.0/19?

A	10.102.32.1
B	10.102.31.0
C	10.102.32.255
D	10.102.255.255
E	10.102.31.255

Question 5 Explanation:

Network: 10.102.0.0/19 00001010.01100110.000 00000.00000000 (Class A) Broadcast: 10.102.31.255 00001010.01100110.000 11111.11111111

Question 6

If you would like to give IP address to 10 hosts from your IP prefix which subnet mask do you use most effectively?

A	255.255.255.128
B	255.255.255.254
C	255.255.255.252
D	255.255.255.240
E	255.255.255.248

Question 7

What is the binary equivalent of Subnet Mask 255.255.254.0?

A	11111111.11111111.11111111.00000000
B	11111111.11111111.11111111.00000001
C	11111111.11111111.10000001.00000000
D	11111111.11111111.11111110.00000000
E	11111111.11111111.10000000.00000000

Question 8

Which subnet does host 100.105.81.5/29 belong to?

A	100.105.80.0/29
B	100.105.81.1/29
C	100.105.0.0/29
D	100.105.81.0/29
E	100.105.32.0/29

Question 9

We have a network address 192.168.75.0 and we would like to divide this network into 3 subnets and there must be at least 60 host addresses in each subnet. Which subnet mush should we use?

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

Question 10

If you need to have 10 subnets, which subnet mask do you use?

A	255.255.255.192
B	255.255.255.254
C	255.255.255.248
D	255.255.255.128
E	255.255.255.240

Question 11

For a prefix, first and the last addresses can not be used for hosts. What are these addresses?

A	network
B	last
C	multicast
D	first
E	broadcast

Question 12

How many IP addresses can be assigned to hosts, for Subnet Mask 255.255.255.192?

A	30
B	64
C	62
D	60
E	32

Question 13

What is the binary equivalent of IPv4 address 10.170.81.10?

A	00001010.11101010.01110001.00001010
B	00001010.11101010.01110001.00111010
C	00001010.11101010.01110001.00001011
D	00001010.10101010.01010001.00001010
E	00001010.11101010.01110001.11001010

Question 14

What is the binary equivalent of 245?

A	10010101
B	11110101
C	11101101
D	11110110
E	11110111

Question 15

What is the last usable host address of prefix 103.54.99.0/25?

A	103.54.99.254
B	103.54.99.128
C	103.54.99.126
D	103.54.99.1
E	103.54.99.255

Question 16

How many subnets and how many hosts in each subnet are there for the network address 192.168.7.0/28?

A	16 / 14
B	16 / 254
C	128 / 14
D	255 / 14
E	16 / 126

Question 17

IP address 72.15.146.1/25 is a part of which host range?

A	72.15.146.0 - 72.15.146.255
B	72.15.146.0 - 72.15.146.254
C	72.15.146.1 - 72.15.146.126
D	72.15.146.1 - 72.15.146.64
E	72.15.146.1 - 72.15.146.128

Question 18

Address 192.168.100.5 is belong to Class .....

A	A
B	B
C	C
D	D
E	E

Question 19

What is the subnetwork number of a host with an IP address of 10.100.75.8/25?

A	10.100.75.255/25
B	10.100.75.1/25
C	10.100.75.10/25
D	10.100.75.0/25
E	10.100.75.254/25

Question 20

What is the first usable host address of prefix 10.100.12.0/26?

A	10.100.10.1
B	10.100.12.0
C	10.100.12.1
D	10.100.10.255
E	10.100.12.254

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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 2

SUBNETTING QUIZ 2

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