The practice of separating a network into two or more networks is called subnetting. Each IP address consists of a subnet mask. Subnetting Questions are provided on this page for assistance of candidates who are preparing for CCNA (Cisco Certified Network Associate) technical certificate. CCNA Subnetting Practice Questions are designed to test your knowledge. Download Subnetting IP Addressing Questions with Answer PDF from here.
Subnetting Questions and Answers
Question 1: What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?
Question 2: You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?
Question 3: If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?
Question 4: 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?
- Router(config)#ip classless
- Router(config)#no ip classful
- Router(config)#ip unnumbered
- Router(config)#ip subnet-zero
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Question 5: What is the subnetwork address for a host with the IP address 18.104.22.168/28?
Question 6: 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?
Question 7: You have an IP of 22.214.171.124 with a subnet mask of 7 bits. How many hosts and subnets are possible assuming that subnet 0 is not used?
- 126 subnets and 510 hosts
- 128 subnets and 512 hosts
- 510 subnets and 126 hosts
- 512 subnets and 128 hosts
Question 8: How many hosts can be addressed on 10.0.0.0/16?
Question 9: Convert the following binary to decimal–01101101.
Question 10: Choose the true statements (choose two).
- Odd numbers have the least significant bit set to 0
- Even numbers have the least significant bit set to 0
- Odd numbers have the least significant bit set to 1
- Even numbers have the least significant bit set to 1
Ans: 2 & 3
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Question 11: What subnet mask will allow for 128 hosts on a subnet? (choose the best two answers)
- /24 <–
- 255.255.0 <–
Ans: 2 & 3
Question 12: Based on 126.96.36.199/24, the IP address would be:
- Class A <–
- Class B
- Class C
- Class D
Question 13: You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which classful subnet mask would you use?
Question 14: What is the maximum number of IP addresses that can be assigned to hosts on a local subnet that uses the 255.255.255.224 subnet mask?
Question 15: You have a network that needs 29 subnets while maximizing the number of host addresses available on each subnet. How many bits must you borrow from the host field to provide the correct subnet mask?
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Question 16: If an Ethernet port on a router were assigned an IP address of 172.16.112.1/25, what would be the valid subnet address of this host?
Question 17: You have an interface on a router with the IP address of 192.168.192.10/29. Including the router interface, how many hosts can have IP addresses on the LAN attached to the router interface?
Question 18: What is the subnetwork number of a host with an IP address of 172.16.66.0/21?
Question 19: The network address of 172.16.0.0/19 provides how many subnets and hosts?
- 7 subnets, 30 hosts each
- 8 subnets, 8,190 hosts each
- 8 subnets, 2,046 hosts each
- 7 subnets, 2,046 hosts each
Question 20: 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?
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IP Addressing and Subnetting Questions:
A subnet is a logical way to divide network of any organization into two or more networks. Students who are preparing for CCNA (Cisco Certified Network Associate) technical certificate may increase their knowledge from CCNA Subnetting Questions and answers.
Generally, it is a technique to represent all the machines at one geographic location, in one building, or on the same local area network (LAN). To discover subnet process in any organization, IP Addressing plays an important role to connect all the connections.
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CCNA Subnetting Practice Questions will help a lot to prepare well for exam. Aspirants have CCNA certificate offers from Cisco for early-career networking professionals, candidates must practice from above given Subnetting Practice Questions and Answers. You can also get Subnetting Questions PDF from here.
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