________ services use special strands of optically pure glass that are as thin as a human hair to transmit data
A) DSL
B) Cable
C) Satellite
D) Fiber-optic
D
Computer Science & Information Technology
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By scrambling the contents of a file, you can restrict access to the file by using ________
A) Encryption B) Windows Live ID C) Cloud Computing D) Mark as Final
Computer Science & Information Technology
What is the keyboard shortcut for saving a document?
A. [Ctrl][A] B. [Ctrl][X] C. [Ctrl][S] D. [Ctrl][C]
Computer Science & Information Technology
Which of the following is a collaboration tool used by organizations to keep visitors informed about developments associated with the organization?
a. A shared workspace b. Web conferencing c. A presence information tool d. An electronic bulletin board
Computer Science & Information Technology
All calls placed inside a LATA are always carried without per minute charges, unlike long-distance calls.
a. True b. False
Computer Science & Information Technology