Using the IP number & Mask is 21.9.2.0/23. Please find the answers to the follow

Question

Using the IP number & Mask is 21.9.2.0/23. Please find the answers to the following questions. 1. (.5 pt) How many host bits are there before subnetting? _____ 2. (.5 pt) How many host bits are there after subnetting? _____ 3. (.5 pt) How many host bits were borrowed to subnet? _____ 4. (.5 pt) How many usable hosts per subnet are there? _____ 5. (.5 pt) How many usable subnets are there? _____ 6. (.5 pt) What is the subnet mask written in dotted decimal? _______._____._____._____ 7. (1 pt) What is the subnet mask written in hex-decimal? 8. (3 pts) What is the subnet IP number of subnet 8190? _____._____._____._____ 9. (3 pts ) What is the broadcast IP number of subnet 8190? _____._____._____._____ 10. (4 pts) What are the usable host IP numbers of subnet 8190? _____._____._____._____ through _____._____._____._____

Explanation / Answer

Using the IP number & Mask is 21.9.2.0/23
Please find the answers to the following questions.
1. (.5 pt) How many host bits are there before subnetting? 23
2. (.5 pt) How many host bits are there after subnetting? 9
3. (.5 pt) How many host bits were borrowed to subnet? 15
4. (.5 pt) How many usable hosts per subnet are there? 510
5. (.5 pt) How many usable subnets are there? this is a class A IP address hence subnet usable subnet = (2^(CIDR - 8)) - 2) = (2^(23 - 8)) -2 = 32766
6. (.5 pt) What is the subnet mask written in dotted decimal? 255.255.254.0
7. (1 pt) What is the subnet mask written in hex-decimal? FF.FF.FE.0
8. (3 pts) What is the subnet IP number of subnet 8190? 21.63.252.0
9. (3 pts ) What is the broadcast IP number of subnet 8190? 21.63.253.255
10. (4 pts) What are the usable host IP numbers of subnet 8190? 21.63.252.1 through 21.63.253.254

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