Which of the following methods for network performance optimization is used to distribute traffic among similar devices?

A. Fault tolerance
B. QoS
C. Proxy server
D. Load balancing


Answer: D. Load balancing

Computer Science & Information Technology

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The default value of a Semaphore object’s internal counter is_________ .

a) 1. b) –1. c) 0. d) None of the above.

Computer Science & Information Technology

Which of the following is true?

Given the following declarations: ``` StringBuilder buffer = new StringBuilder(“Testing Testing”); buffer.setLength(7); buffer.ensureCapacity(5); ``` a. buffer has capacity 5. b. buffer has capacity 31. c. buffer has content “Testin”. d. buffer has length 15.

Computer Science & Information Technology

On LinkedIn, a professional contact is called a(n) ________

A) associate B) contact C) connection D) friend

Computer Science & Information Technology

The item numbered 5 in the accompanying figure is the ____.

A. Mail folder pane B. message list C. Reading Pane D. title bar

Computer Science & Information Technology