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What is Error Detection? What are its methods?
Data can be corrupted during transmission. For reliable communication errors must be deducted and corrected. Error Detection uses the method of redundancy, which means adding extra bits for detecting errors at the destination. The common Error Detection process are
a. Vertical Redundancy Check (VRC)
b. Longitudinal Redundancy Check (VRC)
c. Cyclic Redundancy Check (VRC)
d. Checksum
QUESTION 1 (a) Draw a use-case model for the above system. You must identify all possible actors and use-cases. (b) Assume you are using the Rational Unified Process a
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Can you define Ping and Tracert?
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How do we control USB by a network?
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Recognize the command to view the configuration-register value Ans) show version is the command to view the configuration-register value
QUESTION (a) Name two properties of an agent (b) List the three characteristics used to classify agents according to the Nwana Taxonomy (c) Agent environments can be clas
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