communication network (IP and subnet)

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timer Asked: Nov 22nd, 2016

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This question is about communication network (IP and subnet)

Homework 7 CSCI3550 (Fall 2016) Due Date: Mon/Dec/05/2016 1. (5 points) What is the difference between the subnet mask for a Class A address with 16 bits for the subnet ID and a Class B address with 8 bits for the subnet ID? Explain. 2. (8 points) Given a classful network address of 192.168.100.0 and a subnet mask of 255.255.255.192, a. How many subnets are created? b. How many hosts are there per subnet? Assume no IP address is reserved for special tasks. 3. (15 points) An organization is granted the block 130.56.0.0/16. The administrator wants to create 1024 subnets. Assume no IP address is reserved for special tasks. a. What is (are) the subnetmask (s)? b. What is the IP address of the first host in subnet 1? Show your answer in decimal IP notation. c. What is the IP address of the last host in subnet 2? Show your answer in decimal IP notation. 4. (8 points) Given a company with 6 individual departments and each department having 10 computers or networked devices, what mask could be applied to the company network to provide the subnetting necessary to divide up the network equally? 5. (6 points) Combine the following three blocks of addresses into a single block: a) 16.27.24.0/26, b) 16.27.24.64/26, c) 16.27.24.128/25. For the final block show the network address and the mask. 6. (5 points) Like the previous assignments, the top of your assignment should contain the following (any deviation will result in 0 credits for this problem) Homework 7 Fall 2016, CSCI 3550, MW Firstname Lastname Your answers (anything you hand in) must be typed. Otherwise your homework will not be graded. Partial credits will not be given for work not shown and/or assumptions made but not indicated. Points will be deducted if the expressions (equations) are not reduced to a final answer. Return late assignments to my office (Do not email/leave assignments in my mailbox) 1

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