midterm2_s15.pdf - ECE 470 Midterm 2 Name Do only 4...

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ECE 470 Midterm 2 April 15, 2015 Name: Do only 4 problems, out of the 5 given. We will grade the first four, if you attempt all five. Each problem is worth 25 points. In any problem, if you need to make an assumption, state it clearly. The duration of the exam is 60 minutes. This exam is open laptops, open book, open notes, open minded. You may use a calculator. Problem 1 ............ ( ) out of 25 Problem 2 ............ ( ) out of 25 Problem 3 ............ ( ) out of 25 Problem 4 ............ ( ) out of 25 Problem 5 ............ ( ) out of 25 Total ..................... ( ) out of 100 1
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Problem 1. EIGRP. Consider the network of Figure 1. Assume the following: the “horizontal” links have capacity 10Mbps and delay 1 msec. the rest of the links have capacity 2Mbps and delay 2 msec. There is one subnet connected to each one of the four routers; the subnet connected to router 10.10.10.x has a subnet ID of 120.x.0.0. Figure 1: The EIGRP network of Problem 1. 1. Show the (logical or actual) contents of the messages that routers 10.10.10.1 and 10.10.10.2 will ex- change, once they become neighbors.
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