Which of the following communications media uses a very thin and flexible glass or plastic fiber through which pulses of light travel?
A. Cat 5
B. Optical fiber
C. Twisted-pair
D. Coax
B. Optical fiber
An optical fiber is a communications medium which uses a very thin and flexible glass or plastic fiber through which pulses of light travel.
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Which test of controls will provide evidence that the system as originally implemented was free from material errors and free from fraud? Review of the documentation indicates that
a. a cost-benefit analysis was conducted b. the detailed design was an appropriate solution to the user's problem c. tests were conducted at the individual module and total system levels prior to implementation d. problems detected during the conversion period were corrected in the maintenance phase
When the auditor reconciles the program version numbers, which audit objective is being tested?
a. protect applications from unauthorized changes b. ensure applications are free from error c. protect production libraries from unauthorized access d. ensure incompatible functions have been identified and segregated
Unrealized holding gains and losses from investments classified as available for sale are reported in _____________________________________________
Fill in the blank(s) with correct word
Which of the following is an impact of demand management activities on human resources?
A. Demand influences capital investments. B. Demand impacts new product introductions. C. Demand influences supply chain design. D. Demand determines employee head count and overtime for current workers.