Which of the following would BEST be used to test the functionality of a serial port?
A. Null adapter
B. Multimeter
C. Loopback plugs
D. Cable tester
Answer: C. Loopback plugs
Computer Science & Information Technology
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The declarations for the string library routines are found in the ____ header file.
A. iostream B. cctype C. cstring D. cstdlib
Computer Science & Information Technology
What command can be issued to confirm what directory you are in at a command line prompt?
A. dir B. pwd C. whereami D. ld
Computer Science & Information Technology