Download Ethernet - Introduction to Communications Networks - Exam and more Exams Data Communication Systems and Computer Networks in PDF only on Docsity! EE 122, Midterm #1, Spring 2001 Solutions EECS 122 - COMMUNICATION NETWORKS - Spring 2001 Midterm #1, 2/16/01: SOLUTIONS Professor Walrand 1. Packet Formats (5 out of 20) The notation is as in the lectures and notes: For Ethernet, [EDA | ESA | ?] and for IP packets, [IPSA | IPDA | ?]. Computer N1.3 sends a packet to computer N3.7. Select the appropriate formats for the packet as it goes through the links [1]-[5] among the following choices: P1: [ N1.3 | N1.6 | data ] P2: [ d | a | N1.3 | N3.7 | data ] P3: [ d | a | N1.3 | N1.5 | data ] P4: [ z | a | N1.3 | N1.5 | data ] P5: [ d | a | N1.6 | N1.9 | data ] P6: [ z | a | N1.6 | N1.9 | data ] P7: [ d | a | N1.9 | N1.5 | data ] P8: [ x | a | N1.3 | N3.6 | data ] P9: [ x | a | N1.3 | N1.5 | data ] P10: [ z | a | N1.3 | N3.4 | data ] P11: [ z | a | N1.3 | N3.7 | data ] P12: [ z | x | N3.6 | N3.4 | data ] P13: [ z | x | N1.3 | N3.7 | data ] P14: [ z | x | N3.6 | N3.7 | data ] P15: [ z | x | N3.4 | N3.7 | data ] Your Answers: file:///C|/Documents%20and%20Settings/Jason%20Raft...0-%20Spring%202001%20-%20Walrand%20-%20Mid%201.htm (1 of 5)1/27/2007 4:25:20 PM EE 122, Midterm #1, Spring 2001 Solutions 2. CIDR Addressing (5 out of 20) file:///C|/Documents%20and%20Settings/Jason%20Raft...0-%20Spring%202001%20-%20Walrand%20-%20Mid%201.htm (2 of 5)1/27/2007 4:25:20 PM