Access control at many businesses and organizations is provided by ____, which allow only authorized individuals to enter an office building, punch in or out of work, or access the company network via an access card or a fingerprint or hand scan.
A. bar codes
B. virtual reality glasses
C. collaboration systems
D. authentication systems
Answer: D
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Fill in the blank(s) with the appropriate word(s).
The SQL ___________ statement modifies information in a database.
a) SELECT b) MODIFY c) CHANGE d) UPDATE
Which of the following commands will show active UDP connections on a Linux system? (Choose all that apply.)
A. netstat -u B. netstat --udp C. netstat -t udp D. netstat udp
The process of ____________________ involves resolving defects in the program code.
Fill in the blank(s) with the appropriate word(s).