Electrical Engineering 122 - Fall 1992 - Wu - Midterm 1

Electrical Engineering 122 - Fall 1992 - Wu - Midterm 1 -...

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Unformatted text preview: <!-- EE 122, Midterm #1, Fall 1992 -->UNIVERSITY OF CALIFORNIACollege of Engineering Department of Electrical Engineering and Computer Sciences EECS122, Fall 1992 First Midterm Professor F. WuProblems 1-7 (1) points each; Problem 8 (3) points. Problem #1When is circuit-switching preferred to packet-switching? a. Always b. When the traffic is bursty c. When delays have to be small Problem #2What do virtual-circuits implement? a. Datagrams b. Connection-oriented communication services c. Circuit-switched communications Problem #3Why is SRP more efficient than ABP? a. It retransmits only incorrect packets b. It is used with faster links c. It does not wait as much Problem #4file:///C|/Documents%20and%20Settings/Jason%20Raf...%20-%20Fall%201992%20-%20Wu%20-%20Midterm%201.htm (1 of 3)1/27/2007 3:54:28 PM<!-- EE 122, Midterm #1, Fall 1992 -->In the OSI model the transport layer protocol of one node communicates with that of another node through: a. Direct electrical or optical signals b. Virtual communication by way of network layer services b....
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This note was uploaded on 11/21/2009 for the course EE 122 taught by Professor Ee122 during the Spring '06 term at Berkeley.

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Electrical Engineering 122 - Fall 1992 - Wu - Midterm 1 -...

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