Name the three places in a C++ program where variables can be declared.

What will be an ideal response?

The three locations in a C++ program where variables can be declared are inside a function (locally), in a function header line, and outside of any function (globally)

Computer Science & Information Technology

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

1) To end a line of output, insert endl or the character '\n' in the output stream. 2) A program that manipulates files directly must include the header file . 3) To input a string that includes white space, use istream member function getline. 4) Function getline never stores '\n' in its string parameter. 5)After execution of the declaration ``` ofstream out( ".txt", ios::out ); ``` if the expression out.fail() is true, this means that the system was unable to open out.txt for output.

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The number of device pixels matched to a single CSS pixel is known as the device-pixel ratio.

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

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When testing a VPN client, if the user experiences errors, he or she should ____.

A. disconnect from the VPN and use a different password B. use a different VPN client C. delete the errors and try again D. write down or report the error message exactly to help you correctly diagnose the problem

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Which of the following is MOST likely used to establish a secure connection between email gateways?

A. TLS B. PGP C. HTTPS D. SCP

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Computer Science & Information Technology