An active/passive server cluster in which only one server is active and handling requests, is an example of which of the following network performance optimization?

A. Traffic shaping
B. QoS
C. High availability
D. Load balancing


Answer: C. High availability

Computer Science & Information Technology

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Which of the following is true about an abstract base class?

a. no constructors or destructors should be provided b. at least one member function is a pure virtual function c. no objects of the class can be created d. exactly two of the above e. all of (a), (b), and (c)

Computer Science & Information Technology

Which of the following port scans is most likely to be detected by the target network?

A) Ping scan B) Connect scan C) SYN scan D) FIN scan

Computer Science & Information Technology

The process of top-down design leads to ____.

A. reusable code B. tests for correctness C. encapsulation D. modular development

Computer Science & Information Technology

Many companies use access controls to minimize the chance that a perpetrator may intentionally access or an employee may accidentally access confidential information on a computer, mobile device, or network.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology