The useradd command is used to create new users. Which file contains information on the primary group, shell, and other parameters to be used by useradd when not specified on the command line?
A. /etc/profile
B. /etc/passwd
C. /etc/shadow
D. /etc/default/useradd
What does the following command do? tar -tzvf /tmp/backup.tgz etc/HOSTNAME
A. It extracts the etc/HOSTNAME file from the /tmp/backup.tgz archive.
B. It includes the etc/HOSTNAME file in the /tmp/backup.tgz archive.
C. It produces an error message because the options are in the wrong sequence.
D. It displays a line similar to the following, but otherwise does nothing: -rw-r--r-- root/root 23 2005- 03-11
14:20 etc/HOSTNAME
In a terminal window, which command can you enter to change to your home directory (/home/geeko)? (Choose 2.)
A. cd
B. cd ~
C. cd -h
D. cd home
E. cd --homedir
You have a file named file1 and you want to create a symbolic link named link-to-file1 to the file. In a terminal window, which command accomplishes what you want? (Choose 2.)
A. ln file link-to-file1
B. ln link-to-file1 file1
C. ln -s file1 link-to-file1
D. ln -s link-to-file1 file1
E. cp -s file1 link-to-file1
F. mv -s file1 link-to-file1
Which command shows you the default shell of a user?
A. w user
B. id user
C. who user
D. finger user
Suppose you change from your current runlevel 5 to the new runlevel 3. Which statement is correct?
A. Nothing will happen at all.
B. If there is a K* link for a certain service in /etc/init.d/rc5.d/ but no corresponding S* link I /etc/init.d/rc3.d/ , nothing will happen.
C. If there is no K* link for a certain service in /etc/init.d/rc5.d/ but there is an S* link in /etc/init.d/rc3.d/, the service is started.
D. If there is a K* link for a certain service in /etc/init.d/rc5.d/ and there is an S* link in /etc/init.d/rc3.d/, the service is stopped and started again.
What is the key characteristic of the root account?
A. The user name root
B. The User ID (UID) 0
C. The Security Identifier (SID)
D. The Universally Unique Identifier (UUID)
Which statement about an incremental backup is correct?
A. The use of incremental backups is limited to backups on tapes.
B. To restore an incremental backup, you need the last incremental backup only.
C. To restore an incremental backup, you need the last full backup and the last incremental backup that was made since the last full backup.
D. The amount of data that needs to be backed up with each incremental backup depends only on the amount of data changed the last incremental backup.
Which options are PAM module types that can be used in a PAM configuration file? (Choose 4.)
A. key
B. auth
C. card
D. account
E. session
F. password
You have a test directory with the following permissions: rwx------ You want to change the permissions to the following values: r-xr-xr-x. Which command accomplishes this?
A. chmod 777 test
B. chmod a=rx test
C. chmod u=rx,a-rx test
D. chmod u+w,g+rx,o+rx test
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