?In the context of data-flow diagrams (DFDs), the _____ includes arrows that show the direction of data movement.

A. ?process symbol
B. ?entity symbol
C. ?data-flow line
D. ?data store symbol


Answer: C

Computer Science & Information Technology

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A(n) ____________________ network is a network on which virtual machines communicate through virtual links.

Fill in the blank(s) with the appropriate word(s).

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In a supervisory control and data acquisition (SCADA) system, ____________________ provide the same function as controllers.

Fill in the blank(s) with the appropriate word(s).

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In an organization, _____ reduce the use of lengthy distribution lists that burden recipients with excessive and irrelevant messages.

a. wikis b. blogs c. podcasts d. electronic bulletin boards

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MC The original structure of the Internet was sponsored by____________ (ARPA).

a) Advanced Research Protection Association b) Advanced Research Projects Agency c) Alternative Research Programming Agency d) None of the above

Computer Science & Information Technology