Tier 1 providers own long-distance, high-speed fiber-optic networks called ______________.

A. backbones
B. connectors
C. root servers
D. telephones

Answer: A

Computer Science & Information Technology

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A wireless LAN without connections to wired users and using special wireless protocol is known as

a. cable extension b. access point c. ad hoc d. none of the above

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As you insert and delete rows and columns, Excel adjusts _____ cell references in formulas to keep them accurate.

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

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How much memory is reserved for the following variables in MS Visual C++?

int k; int *k_ptr; float q, *q_ptr; A. 10 B. 13 C. 16 D. 18

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When wanting to ignore repeated words in text, select ____ after clicking the File tab Options button.

A. Proofing B. Language C. Advanced D. Formulas

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