A user may interact with an operating system via an application such as ________.

a) an API
b) a command-line interpreter
c) a graphical user interface (GUI)
d) either b) or c)

d) either b) or c)

Computer Science & Information Technology

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A button that can be turned on by clicking it once, and then turned off by clicking it again

a. icon b. switch c. toggle

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When configuring a VPN server to automatically assign IP addresses to remote clients, how many IP addresses are in a single pool allocated by the VPN server?

A. 5 B. 10 C. 15 D. 20

Computer Science & Information Technology