Which of the following are among the basic categories of antenna? (Choose all that apply.)

A. semidirectional
B. unidirectional
C. omnidirectional
D. highly-directional


Answer:
A. semidirectional

C. omnidirectional
D. highly-directional

Computer Science & Information Technology

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What option combined with the Kill command will make it considered stronger?

A. -9 B. -1 C. 0 D. 10

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Which of the following is not true of ExecutorService?

a. It is a subinterface of Executor. b. It is an object that can be run in a separate thread. c. It declares method shutdown. d. It manages a group of threads.

Computer Science & Information Technology