A graph has a single length attribute, similar to the lists, queues, and stacks.
Answer the following statement true (T) or false (F)
False
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Give a command line for displaying the number of users currently logged onthe system. Give the command line that performs the above task by counting once if a user is logged on multiple times.
What will be an ideal response?
The passwd file in Linux contains user passwords in plain text format so that file must not be accessible to any user but the administrator.
Answer the following statement true (T) or false (F)
COGNITIVE ASSESSMENT Which of the following statements is not true about backing up?
A. Backup programs are available from many sources. B. Continuous data protection typically is used only by large enterprises. C. With a selective backup, all of the files in the computer automatically are chosen to be copied. D. A backup is a duplicate of a file, program, or disk.
What is the European counterpart to a T1 line?
A. T3 B. E3 C. DS3 D. E1