5! * 5! is ____.
A. 120
B. 720
C. 5040
D. 14400
Answer: D
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To display the entire contents of a file in CentOS 7, you can use the __________ command.
cat head tail less
Which of the following serves as an interface between programmers/developers and management?
A. Computer technician B. Help desk technician C. Network engineer D. Technical project manager
What is the difference between the = and = = operators in C?
What will be an ideal response?
A frustrated user calls in for tech support. She installed three new program. but now Windows 7 won't load. What can she do to determine which program is at fault? She does't want to uninstall all three programs.
a. Boot the computer into Safe Mode with Command Prompt. At the prompt type CHKDSK/PROGRAMS to run a scan on installed appilications b. Boot the computer into Safe Mode with Networking and do an internet searches for the three programs to see if other people have had problems. c. Boot the computer into Safe Mode. Go to the Control Panel | Administrative Tools | Event Viewer d. She needs to uninstall the three programs and reinstall them one at time, testing Windows startup