What command below is used to test network connections by sending a request packet to a host?

A. ps
B. ifconfig
C. ping
D. df


Answer: C

Computer Science & Information Technology

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What is the value of result after the following Java statements execute (assume all variables are of type int)?

a = 4; b = 12; c = 37; d = 51; result = d % a * c + a % b + a; a. 119 b. 51 c. 127 d. 59

Computer Science & Information Technology

Draw a string on a picture at the top of the picture and centered horizontally. You will need to use the FontMetrics class to get the height of the string in pixels in order to determine where the baseline should be so that the string is visible. You should also subtract the descent from the height.

What will be an ideal response?

Computer Science & Information Technology

Robin has purchased a new computer that has the Windows 10 operating system. Excited about learning the new features of Windows 10, she starts the computer, enters her login information and takes a look at the desktop. She displays the Start menu and takes time to get acquainted with her new working environment. Robin notices that the on the right side of the status bar, there is a(n) __________ area containing the date and time as well as icons that tell her the status of her computer.

What will be an ideal response?

Computer Science & Information Technology

In Linux, the three levels of file access are ____, ____, and ____.

A. owner; domain; group B. owner; group; administrator C. administrator; owner others D. owner; group; others

Computer Science & Information Technology