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Subnetting

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Final / Review ICND 1 Quiz on Subnetting, created by Brian Gamble on 03/03/2016.
Brian Gamble
Quiz by Brian Gamble, updated more than 1 year ago
Brian Gamble
Created by Brian Gamble almost 9 years ago
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Resource summary

Question 1

Question
What is the first valid host on the subnetwork that the node 172.18.79.199 255.255.248.0 belongs to?
Answer
  • 172.18.72.1
  • 172.18.72.0
  • 172.18.79.1
  • 172.18.64.1

Question 2

Question
How many subnets and hosts per subnet can you get from the network 172.22.0.0/28?
Answer
  • 4096 subnets and 14 hosts
  • 4098 subnets and 16 hosts
  • 4096 subnets and 16 hosts
  • 4098 subnets and 14 hosts

Question 3

Question
What is the broadcast address of the network 172.31.96.0 255.255.254.0?
Answer
  • 172.31.97.255
  • 172.31.97.254
  • 172.31.96.255
  • 172.31.96.254

Question 4

Question
Which subnet does host 172.25.231.137 255.255.255.192 belong to?
Answer
  • 172.25.231.128
  • 172.25.231.0
  • 172.25.231.64
  • 172.25.231.192

Question 5

Question
What valid host range is the IP address 172.21.64.82/23 a part of?
Answer
  • 172.21.64.1 through to 172.21.65.254
  • 172.21.64.0 through to 172.21.65.255
  • 172.21.64.0 through to 172.21.65.254
  • 172.21.64.1 through to 172.21.65.255

Question 6

Question
Which subnet does host 10.168.124.139/20 belong to?
Answer
  • 10.168.112.0
  • 10.168.113.0
  • 10.168.114.0
  • 10.168.124.0

Question 7

Question
How many subnets and hosts per subnet can you get from the network 172.21.0.0 255.255.248.0?
Answer
  • 32 subnets and 2046 hosts
  • 30 subnets and 2048 hosts
  • 32 subnets and 2048 hosts
  • 30 subnets and 2046 subnets

Question 8

Question
What valid host range is the IP address 172.31.153.157 255.255.254.0 a part of?
Answer
  • 172.31.152.1 through to 172.31.153.254
  • 172.31.153.0 through to 172.31.153.255
  • 172.31.153.1 through to 172.31.153.255
  • 172.31.153.0 through to 172.31.153.254

Question 9

Question
Which subnet does host 192.168.93.181 55.255.255.192 belong to?
Answer
  • 192.168.93.128
  • 192.168.93.0
  • 192.168.64.0
  • 192.168.96.0

Question 10

Question
Which subnet does host 172.24.115.73/23 belong to?
Answer
  • 172.24.114.0
  • 172.24.115.0
  • 172.24.112.0
  • 172.24.113.0

Question 11

Question
What valid host range is the IP address 192.168.7.53 255.255.255.248 a part of?
Answer
  • 192.168.7.49 through to 192.168.7.54
  • 192.168.7.48 through to 192.168.7.55
  • 192.168.7.32 through to 192.168.7.63
  • 192.168.7.33 through to 192.168.7.62

Question 12

Question
You are designing a subnet mask for the 172.21.0.0 network. You want 140 subnets with up to 170 hosts on each subnet. What subnet mask should you use?
Answer
  • 255.255.255.0
  • 255.0.0.0
  • 255.255.255.255.0
  • 255.255.0.0

Question 13

Question
How many subnets and hosts per subnet can you get from the network 172.24.0.0/27?
Answer
  • 2048 subnets and 30 hosts
  • 2046 subnets 32 hosts
  • 2048 subnets and 32 hosts
  • 2046 subnets and 30 hosts

Question 14

Question
What is the broadcast address of the network 172.23.120.0/21?
Answer
  • 172.23.127.255
  • 172.23.127.254
  • 172.23.120.255
  • 172.23.124.255

Question 15

Question
What is the first valid host on the subnetwork that the node 172.17.103.44 255.255.252.0 belongs to?
Answer
  • 172.17.100.1
  • 172.17.103.1
  • 172.17.102.1
  • 172.17.101.1

Question 16

Question
What is the last valid host on the subnetwork 172.22.103.0 255.255.255.0?
Answer
  • 172.22.103.254
  • 172.22.255.254
  • 172.22.255.255
  • 172.22.103.255

Question 17

Question
What is the first valid host on the subnetwork that the node 172.27.215.245/23 belongs to?
Answer
  • 172.27.214.1
  • 172.27.214.0
  • 172.27.215.1
  • 172.27.215.0

Question 18

Question
How many subnets and hosts per subnet can you get from the network 172.19.0.0 255.255.254.0?
Answer
  • 128 subnets and 510 hosts
  • 128 subnets and 512 hosts
  • 512 subnets and 128 hosts
  • 512 subnets and 126 hosts

Question 19

Question
What is the first valid host on the subnetwork that the node 10.55.118.86 255.255.240.0 belongs to?
Answer
  • 10.55.112.1
  • 10.55.112.0
  • 10.55.118.1
  • 10.55.118.0

Question 20

Question
How many subnets and hosts per subnet can you get from the network 172.17.0.0 255.255.255.0?
Answer
  • 256 subnets and 254 hosts
  • 254 subnets and 254 hosts
  • 254 subnets and 256 hosts
  • 256 subnets and 256 hosts

Question 21

Question
What is the first valid host on the subnetwork that the node 172.27.210.228/25 belongs to?
Answer
  • 172.27.210.129
  • 172.27.210.128
  • 172.27.210.0
  • 172.27.210.1

Question 22

Question
What is the last valid host on the subnetwork 192.168.106.224 255.255.255.224?
Answer
  • 192.168.106.254
  • 192.168.106.255
  • 192.168.106.225
  • 192.168.106.252

Question 23

Question
How many subnets and hosts per subnet can you get from the network 172.22.0.0/27?
Answer
  • 2048 subnets and 30 hosts
  • 1024 subnets and 30 hosts
  • 2048 subnets and 62 hosts
  • 1024 subnets and 62 hosts

Question 24

Question
What is the last valid host on the subnetwork 172.18.108.0/22?
Answer
  • 172.18.111.254
  • 172.18.112.254
  • 172.18.109.254
  • 172.18.10.110.254

Question 25

Question
What is the last valid host on the subnetwork 172.18.76.0 255.255.252.0?
Answer
  • 172.18.79.254
  • 172.18.79.255
  • 172.18.75.254
  • 172.18.75.255
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