Related Questions

The command password issued without an argument with change the password of-
A Root user
B Currecnt user
C User with lowest user id
D User with lowest group id
A popular website requires users to create a password consisting of digits only. If no digit may be repeated and each password must be at least 9 digits long, how many passwords are possible ?
A 9!+10!
B 2×10!
C 9!×10!
D 9!
Suppose all web material is located within the directory /home/www. To prevent users from viewing and manipulating files such as /etc/password, which one of the following statements should you use?
A open_dir = “/home/www/”
B open_dir = /home/www/
C open_basedir = /home/www/
D open_basedir = “/home/www/”
When you connect to an online information service, you are asked to provide some kind of identification such as your name, an account number and a password. What is the name given to this brief dialogue between you and the information system?
A Security procedure
B Safeguard procedure
C Identification procedure
D Log-on procedure
E None of the above
Cellular aging
A Results from DNA damage
B Is characterized by genetic instability
C Results from activation of tumor suppressor genes
D Is not modified by total calorie intake
E Results from elongation of telomerase
The nation whose government is promoting large families because of an aging population and low fertility rate is
A the United States
B India
C France
D China
Which command is used to list out all the hidden files along with the other files?
A ls -l
B ls -x
C ls -F
D ls -a
E None of the above
Which command is used to delete all files in the current directory as well as all files and sub-directories in its subdirectories?
A rm *
B rm -r *
C rm all
D rm *.*
E None of the above
Filename extensions help identify certain files. What filename extension identifies executable files?
A INF
B PRO
C EXE
D SYS
E None of the above
On-line transaction processing is used when ______________. I) it is required to answer random queries. II) it is required to ensure correct processing. III) all files are available on-line. IV) all files are stored using hard disk.
A i, ii
B i, iii
C ii, iii, iv
D i, jj ,iii

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