Subnetting Questions and Answers

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Showing 10 of 43 questions
Q11
You have an interface on a router with the IP address of 192.168.192.10/29. What is the broadcast address the hosts will use on this LAN?
  • A 192.168.192.15
  • B 192.168.192.31
  • C 192.168.192.63
  • D 192.168.192.127
Answer: Option A
Q12
 You have a network with a subnet of 172.16.17.0/22. Which is the valid host address?
  • A 172.16.17.1 255.255.255.252
  • B 172.16.0.1 255.255.240.0
  • C 172.16.20.1 255.255.254.0
  • D 172.16.18.255 255.255.252.0
Answer: Option D
Q13
On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?
  • A /27
  • B /28
  • C /29
  • D /30
Answer: Option D
Q14
 To test the IP stack on your local host, which IP address would you ping?
  • A 127.0.0.0
  • B 1.0.0.127
  • C 127.0.0.1
  • D 127.0.0.255
Answer: Option C
Q15
If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?
  • A 172.16.45.0
  • B 172.16.45.4
  • C 172.16.45.8
  • D 172.16.45.12
Answer: Option D
Q16
Which configuration command must be in effect to allow the use of 8 subnets if the Class C subnet mask is 255.255.255.224?
  • A Router(config)#ip classless
  • B Router(config)#no ip classful
  • C Router(config)#ip unnumbered
  • D Router(config)#ip subnet-zero
Answer: Option D
Q17
Using the illustration from the previous question, what would be the IP address of S0 if you were using the first subnet? The network ID is 192.168.10.0/28 and you need to use the last available IP address in the range. Again, the zero subnet should not be considered valid for this question.
  • A 192.168.10.24
  • B 192.168.10.62
  • C 192.168.10.30
  • D 192.168.10.127
Answer: Option C
Q18
What is the subnetwork address for a host with the IP address 200.10.5.68/28?
  • A 200.10.5.56
  • B 200.10.5.32
  • C 200.10.5.64
  • D 200.10.5.0
Answer: Option C
Q19
What is the primary purpose of subnetting in computer networks
  • A To increase the size of IP addresses
  • B Explanation: Subnetting divides a large network into smaller, manageable sub-networks.
  • C To convert IPv4 to IPv6
  • D To encrypt network traffic
Answer: Option B
Explanation: Subnetting divides a large network into smaller, manageable sub-networks.
Q20
Which part of an IP address is used to identify the network
  • A Host portion
  • B Broadcast portion
  • C Explanation: The network portion identifies the specific network.
  • D Gateway portion
Answer: Option C
Explanation: The network portion identifies the specific network.

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