A technician needs to install phones that will only require one cable for both data and power to be supplied. Which of the following features MUST the switch support?

A. Port mirroring
B. VLAN
C. Spanning tree
D. PoE


Answer: D. PoE

Computer Science & Information Technology

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Which of the following is the best way to delete a comment?

A) Right click and from the shortcut menu choose delete comment B) Left click and from the shortcut menu choose remove comment C) Right click and from the shortcut menu choose remove comment D) Point to the comment and press delete

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What is meant by the term availability?

A. how often a security solution or device must be updated and how long the updates take B. the amount or percentage of time a computer system is available for use C. the probability that a failed security solution or device can be restored to its normal operable state within a given timeframe using the prescribed practices and procedures D. making a security solution or device easier to use and matching the solution or device more closely to organizational needs and requirements

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A scroll bar contains scroll arrows and a scroll box.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology

Which of the following statements is true?

a. Both syntax errors and logic errors are caught by the compiler. b. Both syntax errors and logic errors have effects at execution time. c. Syntax errors are caught by the compiler. Logic errors have effects at execution time. d. Logic errors are caught by the compiler. Syntax errors have effects at execution time.

Computer Science & Information Technology