CMP 130 Exam 2 Questions With
Revised Answers
2 types of Network Topology - answerStar
Bus
Bus - answermost common today
uses CSMA/CD
CSMA/CD - answerCarrier Sense Multi Access with Collision Detection
Example of something that is set up as a Bus? - answerethernet
Star - answerfirst network...
Client-Server Model - answer✔✔1 server, many clients
server must execute continuously
client initiates communication
Internet Software Layers - answer✔✔IP Address
Destination Address
Packet
Intermediate Address
Sequence #
Hop Count
IP Address - answer✔✔individual to all websites, no one is the same
Destination Address - answer✔✔provided by server; included in every packet; basically-
facebook.com
like mail
Packet - answer✔✔breaks message into "packets", so many bytes per packet
Intermediate Address - answer✔✔each packet is assigned an intermediate address
Sequence # - answer✔✔# for each packet in order, so when Facebook receives the packets it can
put the message together by putting packets in order
Hop Count - answer✔✔every time a packet is received it's counted, if received more than once
it's deleted, if one isn't received or hops more than 30 times it is resent
Algorithm - answer✔✔an ordered set of unambiguous (clear), executable steps that defines a
terminating process
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