A statement which best describes computer systems administrators is that: C. they must have knowledge of network security.
A computer systems administrator refers to a professional who has been trained to ensure that the computer systems of a business firm (company) are functioning properly and meet the needs of the business firm (company), especially by troubleshooting, maintaining computer servers and networks.
This ultimately implies that, a statement which best describes computer systems administrators is that they must have knowledge of network security.
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