The command cp -i Afile Xfile
a: asks for confirmation before copying the files
b: ignores the copy command
c: asks for confirmation after coping the files
d: removes Afile after copying the file.
e: ignores user’s answer before copying the files
a: asks for confirmation before copying the files
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Which queue function returns the number of items in the queue?
A. size() B. front() C. push() D. pop()
Which of the following agents is called upon when directing a message to a specific user in a mail server?
a. Mail user agent b. Mail transport agent c. Mail delivery agent d. Application interface agent
Match the following terms to their meanings:
I. Denotes the amount of CPU capability that is not A. CPU Time being used II. Collection of tools with which you can perform B. network interface card tasks such as configuring hard disks III. Measures how long it takes for a processor to C. System Idle Process complete a task IV. Enables your computer to communicate with D. Resource Overview a network V. CPU usage, hard disk drive usage, network usage, E. Computer Management and memory usage instantaneous readouts
What type of class is one from which you cannot create concrete objects, but from which you can inherit?
A. abstract B. concrete C. base D. derived