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Question: Which subnet does host 172.23.69.119 255.255.254.0 belong to?

Answer: 172.23.68.0

Question: What is the last valid host on the subnetwork 172.21.202.0 255.255.254.0?

Answer: 172.21.203.254

Question: What is the broadcast address of the network 10.76.96.0/20?

Answer: 10.76.111.255

Question: You are designing a subnet mask for the 172.30.0.0 network. You want 110 subnets with up to 300 hosts on each subnet. What subnet mask should you use?

Answer: 255.255.254.0

Question: What is the first valid host on the subnetwork that the node 172.29.28.133 255.255.255.192 belongs to?

Answer: 172.29.28.129

Question: What valid host range is the IP address 172.21.166.119/27 a part of?

Answer: 172.21.166.97 through to 172.21.166.126

Question: How many subnets and hosts can you get from the network 192.168.247.0 255.255.255.224?

Answer: 8 subnets and 30 hosts

Question: What is the broadcast address of the network 192.168.74.232/29?

Answer: 192.168.74.239

Question: You are designing a subnet mask for the 172.28.0.0 network. You want 30 subnets with up to 1700 hosts on each subnet. What subnet mask should you use?

Answer: 255.255.248.0