Question Detail Default network mask for CLASS A is 255.0.0.0255.255.0.0255.255.255.0255.255.255.255 Answer: Option A Similar Questions : 1. Default network mask for CLASS A is 255.0.0.0255.255.0.0255.255.255.0255.255.255.255 Answer: Option A 2. To test the IP stack on your local host, which IP address will you ping 127.0.0.01.0.0.127127.0.0.1255.255.255.0 Answer: Option C 3. Default network mask for CLASS C is 255.0.0.0255.255.0.0255.255.255.0255.255.255.255 Answer: Option C 4. You need to subnet a network that has 5 subnets, each with at least 16 hosts. Which can be your choise 255.255.255.192255.255.255.224255.255.255.240255.255.255.248 Answer: Option B 5. What is the subnetwork number of a host with an IP address of 172.16.66.0/21 172.16.64.0172.16.48.0172.16.36.0172.16.0.0 Answer: Option A Read more from - Subnetting Questions Answers