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(CIS 175 -Intro 2 Ntwrking) Final Exam

(CIS 175 -Intro 2 Ntwrking) Final Exam - Thanks for a great...

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Thanks for a great experience, and good luck in all your classes...Enjoy 79/80 Introduction to Networking – CIS175 017016 Professor Stevens Fall 2007 Quarter FINAL Examination NAME: Shanna Hawxhurst 1) ________Data communications________ is the transfer of data from one device to another via some form of transmission medium. 2) What are the five components that make up a data communications system? Message Sender Receiver Protocol Transmission Medium 3) A _____Local Area Network____ is a data communication system within a building, plant, or campus, or between nearby buildings. 4) A ___Wide Area Network___is a data communication system spanning states, countries, or the whole world. 5) An_____internet_____ is a network of networks. 6) The ____Internet_____ is a collection of many separate networks. 7) A _____protocol______ is a set of rules that governs data communication.
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8) Frequency of failure and network recovery time after a failure are measures of the ______reliability_______ of a network. 9) ________The Internet_________ was the first network in 1969. 10) The effectiveness of a data communication system depends on four fundamental characteristics: What are they? Delivery Accuracy Timeliness Jitter 11) Communication between two devices can be ___ simplex _____, ___ half- duplex ______, or _____ full-duplex ______ . 12) There are four basic topologies possible: They are _mesh__, __bus__, _star__, and ___ring___. 13) The OSI model is composed of seven ordered layers. What are they? Application Presentation Session Transport Network Data link Physical 14) TCP/IP protocol suite is made of five layers. What are they? Physical Data Link Network Transport Application 15) Four levels of addresses are used in an internet employing the TCP/IP protocols. What are they? Physical Logical
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Port Specific 16) _______Analog data_______refers to information that is continuous. ______Digital data_______ refers to information that has discrete states 17) ____Throughput______ is a measure of how fast we can send data through a network 18) ________Latency________defines how long it takes for an entire message to completely arrive at the destination from the time the first bit is sent out from the source 19) In __________data_communications______________, our goal is to send data elements.
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