CompTIA Network+ IPv4 Subnetting Problems

 IPv4 SUBNETTING PROBLEMS

Subnetting Answers Link

March 4th subnetting problems

Problem 1. What is the broadcast address for the network ID 10.10.10.32/28?

Problem 2. What is the network ID that the IP address 192.168.50.31/24 belongs to?

Problem 3. What network ID does the IP address 142.37.84.111 with a subnet mask of 255.255.255.192 belong to?

Problem 4. What is the first usable IP address on the network that the host IP address 141.96.17.38/21 belongs to?

March 3rd subnetting problems

Problem 1What is the broadcast address for the network ID 172.19.118.32/28?

Problem 2. What is the network ID that the IP address 172.18.66.33/24 belongs to?

Problem 3. What is the broadcast address for the network ID 192.168.85.192/27?

Problem 4. What network ID does the IP address 172.26.104.111 with a subnet mask of 255.255.255.192 belong to?

Problem 5. What is the broadcast address for the network ID 192.168.133.16/28?

Problem 6. What is the broadcast address for the network ID 192.168.118.32/28?

Problem 7. What is the last usable IP address for the network ID 172.25.176.0/21

Problem 8. What is the first usable IP address on the network that the host IP address 172.25.18.27/21 belongs to?

Problem 9. What is the broadcast address for network ID 172.29.218.128/25?

Problem 10. What network ID does the IP address 192.168.143.8 with a subnet mask of 255.255.255.192 belong to? 

March 2nd, 2021 VLSM (Variable Length Subnet Masking) 

Corporate headquarters provided your location with a class C subnet to use at your location

Range to use: 192.168.17.0/24            VLSM (Variable Length Subnet Masking)

 

    Production            53 Hosts

    Accounting           31 Hosts

    HR                        12 Hosts

    IT                          25 Hosts

    Marketing             11 Hosts       

Allocate the minimum number of addresses (using CIDR notation) needed to accommodate each department. 

After accommodating each department, identify the unused portion of the subnet by the CIDR notation.

March 2nd subnetting problems

Problem 1. What is the first usable IP address on the network that the host IP address 172.30.201.205/23 belongs to?

Problem 2. What is the first usable IP address on the network that the host IP address 172.26.27.185/21 belongs to?

Problem 3. What network ID does the IP address 172.19.50.133 with a subnet mask of 255.255.255.240 belong to? 

Feb. 26th problems (Answers on another page) 

Problem 1. What is the first usable IP address on the network that the host IP address 172.30.16.11 with a subnet mask of 255.255.254.0 belongs to?

Problem 2. How many subnets and usable IP addresses do you get with the network 192.168.94.0/26?

Problem 3. What network ID does the IP address 172.18.206.53 with a subnet mask of 255.255.255.0 belong to?

Feb. 24th problems Part 1. (Answers on another page) 

Problem 1. What is the first usable IP address on the network that the host IP address 172.28.132.48 with a subnet mask of 255.255.255.224 belongs to?

Problem 2. What is the usable IP range that the IP address 10.125.187.182 with a subnet mask of 255.255.240.0 a part of?

Problem 3. What is the network ID that the IP address 192.168.70.23/28 belongs to, and what is that address considered?

Feb. 24th problems Part 2. (Answers on another page) 

Problem 1.  What is the network ID that the IP address 192.168.204.26/30 belongs to?

Problem 2. What is the first usable IP address on the network that the host IP address 172.21.45.249 with a subnet mask of 255.255.254.0 belongs to?

Problem 3. How many subnets and usable IP addresses do you get with the network 192.168.241.0/29?

Feb. 24th problems Part 3. (Answers on another page)

Problem 1. What is the broadcast address for the network ID 192.168.110.160/28?

Problem 2. What is the broadcast address for the network ID 10.169.32.0/20?

Problem 3. What is the usable IP range that the IP address 172.25.251.72/20 a part of?

Feb. 23rd problems (Answers on another page)

Problem 1. What is the first usable IP address on the network that the host IP address 10.197.231.219 with a subnet mask of 255.255.240.0 belongs to?

Problem 2. How many subnets and usable IP addresses do you get with the network 192.168.130.0 with a subnet mask of 255.255.255.252?

Problem 3. What network ID does the IP address 172.21.106.147 with a subnet mask of 255.255.255.128 belong to?

Feb. 22nd problems (Answers on another page)

Problem 1. What is the broadcast address for the network 192.168.21.128 with a subnet mask of 255.255.255.240?

Problem 2. What is the last usable IP address on the network 172.25.4.128 with a subnet mask of 255.255.255.192?

Problem 3. What is the last usable IP address on the network 172.29.186.0 with a subnet mask of 255.255.254.0? 

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