The math module includes many different types of methods that support advanced mathematical operations. Examples of the methods provided by this module include ____.

A. sqrt
B. acos
C. cos
D. All of the above

Answer: D

Computer Science & Information Technology

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5. What is displayed by the following program after the call to execl?

#include #include int main() { if (fork() == 0) execl("prog.exe", "prog.exe", NULL); cout << "After execl" << endl; return 0; } a. The parent process will display "After execl" b. The child process will display "After execl" c. Neither the parent process nor the child process will display "After execl" d. The program does not create a child process e. Both the parent process and child process will display "After execl"

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A sequence of plaintext elements is replaced by a __________ of that sequence which means that no elements are added, deleted or replaced in the sequence, but rather the order in which the elements appear in the sequence is changed.

A) ?permutation B) ?diffusion ? C) ?stream ? D) ?substitution

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The area that encompasses all of the network devices that can cause collisions is known as the ____.

A. collision domain B. broadcast domain C. unicast domain D. multicast domain

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The ____ field of an IP datagram contains the version number of IP being used, just in case a new version becomes available.

A. ?Service Type B. ?Time to Live C. ?Protocol D. ?Version

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Computer Science & Information Technology