ECE3076 Homework 3 - Name Section Email ECE3076 Homework 3...

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Name___________________________ _ Section: _____ Email ___________________________ ECE3076 Homework 3 Due: Monday Sept. 28, 2009 (in class) 1. TCP and UDP Checksum a. What is the one's compliment 8-bit checksum of the following 8-bit binary numbers: _________________ 1 0 1 0 0 1 1 1 1 0 1 1 0 0 1 0 2. Reliable Data Transfer. Put the letter or letters to indicate which of the following protocol parameters help implement the function. Answers : (may be used 0, 1, or 2 times) A. Window B. ACK C. Pipelining D. NACK E. Serial number F. Retransmit Timer G. Check Sum or CRC H. Selective acknowledgement (SACK) Questions (one or more answers): 1. Lets the receiver detect duplicate packets: _ _ 2. Keeps the connection going when an ACK is lost: _ 3. Allows greater throughput (data transfer rate): _ , (2 items) 4. Lets the transmitter know which packet (or bytes) is acknowledged: ________, ______, ________ (3 items) 5. Allows the receiver to detect when a packet has an error. _ 6. Lets the receiver detect missing packets: _ 7. Limits the number of outstanding packets (or bytes) that can be sent: _ 3. Data Throughput.
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  • Spring '08
  • Copeland
  • SI prefix, Round-trip delay time, Transmission Control Protocol, data transfer rate, transfer rate, Window B. ACK

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