A system administrator wants to implement an internal communication system that will allow employees to send encrypted messages to each other. The system must also support non- repudiation. Which of the following implements all these requirements?
A. Bcrypt
B. Blowfish
C. PGP
D. SHA
Answer: C. PGP
Computer Science & Information Technology
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Facebook and LinkedIn are examples of ________ sites
A) blogging B) social networking C) wiki D) podcasting
Computer Science & Information Technology
The term linked is a word that programmers and Web developers use to describe a structure, keyword, or tag that contains one or more additional instances of the same item.
Answer the following statement true (T) or false (F)
Computer Science & Information Technology
Which of the following features is unique to macOS?
A. User interface B. Multitasking C. Resource forks D. GUI (graphical user interface)
Computer Science & Information Technology
What is used to change motherboard settings, finds a boot device, and contains instructions for running essential hardware before an OS is started?
A. Kernel B. Device driver C. BIOS/UEFI setup D. Control Panel
Computer Science & Information Technology