Subnetting Quiz 5 ⋆ IpCisco

SUBNETTING QUIZ 5

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Question 1

How many IP addresses can be assigned to hosts, for Subnet Mask 255.255.255.224?

A	28
B	32
C	30
D	20
E	24

Question 2

What is the binary equivalent of 202?

A	11001010
B	11011011
C	10001011
D	11001011
E	11000011

Question 3

IP address 192.15.10.108/28 is a part of which host range?

A	192.15.10.0 - 192.15.10.126
B	192.15.10.96 - 192.15.10.126
C	192.15.10.97 - 192.15.10.110
D	192.15.10.97 - 192.15.10.255
E	192.15.10.0 - 192.15.10.255

Question 4

Address 224.485.56.84 is belong to Class .....

A	A
B	C
C	E
D	B
E	D

Question 5

What is the last usable host address of prefix 100.14.1.0/20?

A	100.14.15.254
B	100.14.15.0
C	100.14.15.55
D	100.14.15.1
E	100.14.15.255

Question 6

How many subnets and how many hosts in each subnet are there for the network address 10.12.100.0/26?

A	262144 / 62
B	16 / 62
C	262144 / 14
D	48 / 262144
E	62 / 16

Question 7

Which one is a Class E address?

A	250.200.2.5
B	172.16.1.4
C	150.15.8.192
D	10.15.8.0
E	192.168.5.0

Question 8

If you need to have 65 subnets, which subnet mask do you use?

A	255.255.255.252
B	255.255.255.248
C	255.255.255.254
D	255.255.255.128
E	255.255.255.240

Question 9

Which subnet does host 172.30.15.18/20 belong to?

A	172.30.64.0/20
B	172.30.128.0/20
C	172.30.32.0/20
D	172.30.192.0/20
E	172.30.0.0/20

Question 10

We have a network address 201.18.171.0 and we would like to divide this network into 10 subnets and there must be at least 12 host addresses in each subnet. Which subnet mush should we use?

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

Question 11

What is the broadcast address of prefix 18.120.10.0/20?

A	18.120.15.254
B	18.120.10.255
C	18.120.10.1
D	18.120.15.255
E	18.120.15.1

Question 11 Explanation:

Network: 18.120.0.0/20 00010010.01111000.0000 0000.00000000 (Class A) Broadcast: 18.120.15.255 00010010.01111000.0000 1111.11111111

Question 12

We have an IP prefix 172.16.200.6/20.Which of the following can be valid host IDs for this prefix?

A	172.16.210.234
B	172.16.192.0
C	172.16.200.2
D	172.16.208.25
E	172.16.208.2

Question 12 Explanation:

HostMin: 172.16.192.1 10101100.00010000.1100 0000.00000001 HostMax: 172.16.207.254 10101100.00010000.1100 1111.11111110

Question 13

What is the binary equivalent of IPv4 address 45.125.254.255?

A	00101101.01111101.11111110.11111111
B	00101101.01001101.11111110.11111111
C	00101101.01001101.11111110.11111100
D	10101101.01111101.11001110.11101111
E	10101101.01111101.11001110.11111111

Question 14

What is the binary equivalent of Subnet Mask 255.255.255.224?

A	11111111.11111111.11111111.10000000
B	11111111.11111111.11111111.11110000
C	11111111.11111111.11111111.11100000
D	11111111.11111111.11111111.10000000
E	11111111.11111111.11111111.11111000

Question 15

What is the subnetwork number of a host with an IP address of 192.168.1.9/29?

A	192.168.1.1/29
B	192.168.1.0/29
C	192.168.1.255/29
D	192.168.1.8/29
E	192.168.0.0/29

Question 16

Using Class A, CLass B, Class C etc. Addresses are .... type of IP addressing.

A	Classful
B	Classless

Question 17

The decimal dotted format of /28 is :

A	255.255.255.240
B	255.255.255.254
C	255.255.255.248
D	255.255.255.252
E	255.255.255.224

Question 18

If you would like to give IP address to 60 hosts from your IP prefix which subnet mask do you use most effectively?

A	255.255.255.128
B	255.255.255.254
C	255.255.255.240
D	255.255.255.224
E	255.255.255.192

Question 19

What is the first usable host address of prefix 19.152.144.0/24?

A	19.152.120.1
B	19.152.144.1
C	19.152.124.1
D	19.152.148.1
E	19.152.140.1

Question 20

What is the decimal equivalent of 01011011?

A	91
B	66
C	64
D	81
E	72

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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 5

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