____ is the section of the program where the identifier, such as a variable, is valid or “known.”
a. Reach
b. Spread
c. Range
d. Scope
d. Scope
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A WCF web service in Visual Studio 2012 Express for Web consists of ________.
a) a code-behind file b) a Web.config file c) an SVC file d) All of the above
A(n) _____ is a group of individuals whose members are distributed geographically, but who collaborate and complete work through the use of information systems technology.
Fill in the blank(s) with the appropriate word(s).
Which of the following is true about indexes and index design?
A. indexes should be created on columns used by WHERE and BY clauses B. a composite index is an index on a single column C. an index is created for every foreign key by default D. indexes usually speed up write operations
The intermediate Stream operation ________ results in a stream containing only the unique elements.
a. distinct b. map c. filter d. limit