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Technology Stocks : Cisco Systems, Inc. (CSCO)

CSCO 72.10

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Nov 10 3:59 PM EST

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To: jach who wrote (24151)	4/8/1999 9:41:00 PM
From: Byron Xiao	Read Replies (2) of 77397

Dear Jach. I am very confused about the following subjects: What is the difference between TCP and UDP? In what context are they relate to IP? Under which layer of the OSI model do they belong to? Which one is best suited for implementing RPC? Which one is more suited for ftp? what is the sliding window algorithm in TCP? How does TCP deal with congestion? What congestion control algorithm does it use? What are ICMP messages? Who use ICMP messages? What is the difference between multicasting and broadcasting? I need to pass my network certified exam, and I would appreciate if you can help me get through these "tough" questions. Thanks.

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