HW6 - CS 453 Networks Fall 2009 Homework 6 Instructor V...

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CS 453: Networks Fall 2009 Homework 6 Instructor: V. Arun Assigned: 11/27/09, Due: 12/07/09 Note: Please show as much of your work as you can. Whenever possible, use variable names before plugging in numerical values . Even if you get the answer wrong, you can get partial credit if you show your approach clearly. It will help us tell you where you made a mistake. If you plug in numbers right upfront and your answer is wrong, you will not get partial credit. Problem 1 (Quickies, 24 points): A. What is the difference between attenuation and interference in wireless networks? B. What is the difference between collision detection and collision avoidance as in CSMA/CD and CSMA/CA respectively? C. How many MAC and IP addresses are there in an 802.3 frame? In an 802.11 frame? D. True/false: In a network consisting of both switches and hubs, only the switches execute the CSMA/CD protocol, but the hubs don’t. E. ARP translates a/an ________ address to a/an ________ address. F.
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HW6 - CS 453 Networks Fall 2009 Homework 6 Instructor V...

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