A switch is a network device that operates at Layer 2 of the OSI model.

a. true
b. false

Answer: a. true

Computer Science & Information Technology

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RC4 is an example of a:

a. Message digest b. Stream cipher c. Block cipher d. Key exchange

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A variable must be defined

A) in every program. B) and initialized at the same time. C) in order to perform output. D) before it can be used. E) in all of the above cases.

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Describe a tarball.?

What will be an ideal response?

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A do loop exhibits a form of repetition called ____-trip behavior.

A. zero B. one C. complete D. multiple

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Computer Science & Information Technology