A variable's name should be a(n) ____ that describes the value it stores.

A. verb
B. adjective
C. adverb
D. noun

Answer: D

Computer Science & Information Technology

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Which of the following defines a unique_ptr named uniq that points to a dynamically allocated int?

a. ``` unique_ptr int( new int ); ``` b. ``` unique_ptr int( new uniq ); ``` c. ``` unique_ptr uniq( new int ); ``` d. ``` unique_ptr uniq( new int ); ``` e. None of these

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In RS-232-C, the DCE transmits data to the DTE on the

a. TD pin b. RD pin c. DTR pin d. DSR pin

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Discuss the functionality of PING.

What will be an ideal response?

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Agnes has been using XQuery to design queries using path expressions. Her next project will involve multiple source documents and require more complicated criteria. She has heard that a FLWOR structure could be effective for such cases, and comes to you for assistance in developing a FLWOR structure query. Agnes is confused by the rules about how many of each type of clause are required in a FLWOR structure. You tell her that in a FLWOR structure, there must be exactly only one _____ clause.?

A. ?where B. ?for C. ?let D. ?return

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Computer Science & Information Technology