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

Computer Science & Information Technology

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.

Computer Science & Information Technology

Describe a tarball.?

What will be an ideal response?

Computer Science & Information Technology

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

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

Computer Science & Information Technology