Oracle Linux 5 and 6 System Administration - 1z0-100 Exam Questions [2026]

QUESTION NO: 1
Which three actions may be performed using the date command in Oracle Linux?

A. Displaying the time and date in the past B. Setting the system time from the hardware clock C. Displaying the time and date in the future D. Displaying the current time in an administrator-specified format E. Synchronizing the system time from an ntp server F. Setting the hardware clock from the current system time

Correct Answer: A,C,D

QUESTION NO: 2
Examine the channel specification in the /etc/yum.repos.d/public-yum-016.repo file:

What is the effect of the gpgcheck=0 setting?

A. This channel will not be used by yum when it searches for packages B. This channel will not be used by yum when it checks for updated packages C. yum will not check for dependencies when installing packages from this channel D. yum will not perform key verification during package installation from this channel E. yum will not check if the channel metadata is up-to-date for this channel

Correct Answer: D

QUESTION NO: 3
The dailyrun.sh Bash shell script has the permissions as listed here:
-rw-r- -r- - 1 hr hradmin 8 Apr 2 06:57 dailyrun.sh
Which three methods will be successful at avoiding permissions errrors when attempting to run the script?
(Choose three.)

A. executing the shell script from the shell prompt using the bash command B. executing the shell script using an alias created with the alias dailyrun='bash dailyrun.sh' C. executing the shell script using an alias created with the alias dailyrun=dailyrun.sh D. executing the shell script from the shell prompt using the sh command E. executing the shell script from within a shell function using an alias created with the alias dailyrun='dailyrun.sh'

Correct Answer: A,B,D

QUESTION NO: 4
Which three statements are true concerning filesystems supported by Oracle Linux?

A. The btrfs filesystem includes a volume manager. B. The ext4 filesystem is a copy-on-write filesystem. C. An ext3 filesystem can be mounted as an ext2 filesystem. D. An ext4 filesystem can be mounted as an ext3 filesystem. E. The btrfs filesystem cannot be used for the root filesystem. F. The ext3 and ext4 filesystems both support multiple journaling modes.

Correct Answer: A,C,F

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QUESTION NO: 5
You installed the sendmail-cf package using the yum command as shown:
# yum -Y install sendmail-cf
Loaded plugins: security
Setting up Install Process
Resolving Dependencies
- -> Running Transaction Check
- - - > Package sendmail-cf.noarch 0:8.14.4-8.e16 will be installed
- - > Processing Dependency: sendmail = 7.14.4-8.e16 for package: sendmail-cf-8.14.4-8.e16.noarch
- - > Running transaction check
- - > Package sendmail.x86_64 0:8.14.4-8.e16 will be installed
- - > Finished Dependency Resolution
Dependency Resolved

What is the outcome of the YUM command?
# yun -y remove sendmail

A. It succeeds and only removes the sendmail package. B. It succeeds and removes both the sendmail and sendmail-cf packages. C. It removes the sendmail packages and raises a warning about the sendmail-cf package, which depends on the package being removed. D. It fails with an error because the sendmail-cf package depends on the package being removed. E. It removes the sendmail package and prompts you for the option to remove the sendmail-cf package.

Correct Answer: B

QUESTION NO: 6
Identify two true statements about the nice command.

A. It may be used to lower the priority of existing processes. B. It may the used to raise the priority of existing processes. C. It may be used to set the initial priority of a process. D. A higher nice value makes a process run at a lower priority. E. By default, a normal user can make a process run at a higher priority.

Correct Answer: C,D

QUESTION NO: 7
Which three statements are true about the User Private Group scheme in Oracle Linux?

A. The User private Group scheme is enabled by default in Oracle Linux. B. If a user jules is added with the user add jules command, a group called jules is also added. but no other user may be a member of that group. C. Users belonging to a group to which user jules also belongs, are automatically able to write to the private group belonging to the jules user. D. The umask for the jules user is 002 in /etc/bashrc E. A directory owned by a group to which several users belong, and which has the setgid fa turned on, has shared write access to all members of the group. F. If a user jules is added with the useradd jules command, a group called jules_grp is also created

Correct Answer: A,B,E

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