The data transmission of the PCI bus is being discussed. Technician A says the Header detects if the message has been corrupted or if there are any other errors. Technician B says the cyclic redundancy check (CRC) is one to three bytes of information concerning the type, length, priority, target module, and sending module. Who is correct?

A. Technician A only
B. Technician B only
C. Both Technician A and B
D. Neither Technician A nor B


Answer: D

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For a pull box housing shielded conductors carrying over 1,000V and used in an angled pull, the distance between a conductor entry and exit must be _____.

a. 24 times greater than the OD of the conductor b. 30 times greater than the OD of the conductor c. 36 times greater than the OD of the conductor d. 45 times greater than the OD of the conductor

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____ produce electricity by chemical action.

a. Batteries b. Solar cells c. Thermocouples d. Piezoelectric devices

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Symptoms associated with overheating include all of the followingexcept _____

a. pale, clammy skin b. cramps c. headache and nausea d. gray, tingling skin

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Match each item with a statement below.

A. is an option of the find command B. when deleting a directory with rm, this option is used to recursively delete its files and subdirectories C. this option prevents the touch command from creating a file, if it does not already exist D. can be used with cat to combine the contents of two files E. option of the cut command used to indicate that a specific character separates the fields F. option of the cp command that provides a warning before an existing file with the same name is overwritten G. option of the mv command that overwrites a destination file with the same name, if the source file is newer than the one in the destination H. combines files side by side I. option of the sort command used to indicate that a specific character separates the fields

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