Oracle 1z1-100 Actual Free Exam Questions & Community Discussion

Exam Code/Number: 1z1-100
Exam Name/Title: Oracle Linux 5 and 6 System Administration
Certification Provider: Oracle
Corresponding Certification: Other Oracle Certification

Exam Questions: 142
Updated On: Jul 02, 2026

Question #8

Which three statements are true concerning the use of keys generated by the ssh-keygen command? (Choose three.)

A. dsa keys are supported by version 1 of the ssh protocol

B. dsa keys must be protected by a passphrase

C. dsa keys are supported by version 2 of the ssh protocol

D. rsa keys are supported by version 2 of the ssh protocol

E. rsa keys are supported by version 1 of the ssh protocol

F. rsa keys must be protected by a passphrase

Discussion 0

Correct Answer: C,E,F Vote an answer

Question #9

Which four statements correctly describe the contents of the sysfs filesystem?

A. It contains metadata on all loaded modules in the kernel.

B. It contains metadata on firmware.

C. It contains kernel parameter files.

D. It contains metadata on all block devices.

E. It contains metadata on device classes.

F. It contains metadata on system uptime.

Discussion 0

Correct Answer: A,B,D,E Vote an answer

Question #10

Examine this output:
$ ftp o16.example.com
Connected to o16.example.com (192.168.40.131)
220 (vsFTpd 2.2.2)
Name (o16.example.com:oracle):
A carriage return is now entered on the keyboard and the result is shown:
$ 30 permission denied.
Login failed.
ftp>
Why is the oracle user denied access to the FTP server on the 016.example.com host?

A. The Oracle user is listed in /etc/vsftpd/user_list and USERLIST_ENABLE setting is set to NO in
/etc/vsftpd/vsftpd.conf.

B. The LOCAL_ENABLE setting is set to NO in /etc/vsftpd/vsftpd.conf.

C. The Oracle user is listed in /etc/vsftpd/ftpusers.

D. The oracle user is listed in /etc/vsftpd/user_list and the USERLIST_ENABLE setting is set to YES in
/etc/vsftpd/vsftpd.conf.

E. The Oracle user does not exist on the o16.example.com host.

Discussion 0

Correct Answer: D Vote an answer

Question #11

Examine these statements and their output taken right after successful install of Oracle Linux:
[root@FAROUT /] rpm -q firstboot
Firstboot -1.110.10-1.0.2.e16.x86_64
[root @FAROUT /] # chkconfig - - list firstboot
Firstboot 0:off 2:off 3:off 4:off 5:off 6;off
[root@FAROUT /] # /etc/sysconfig/firstboot
RUN_FIRSTBOOT=NO
What is the conclusion?

A. Firstboot never ran in any run level because the service is turned off for all run levels.

B. The system was installed without selecting desktop graphical packages, thereby disabling firstboot from running.

C. The option to run firstboot was deselected during Oracle Linux installation.

D. The system was installed with desktop graphical packages and rebooted and the firstboot utility ran successful.

Discussion 0

Correct Answer: C Vote an answer

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Question #12

Which statement correctly describes the requisite PAM control flag? (Choose the best answer.)

A. requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is notified immediately with a message reflecting the first failed required or requisite module

B. requisite items only play a role when no other modules of that module type have succeeded or failed. In that case, the success or failure of a requisite flagged module determines the overall PAM authentication for that module type

C. requisite flagged modules are ignored if they fail

D. requisite flagged modules must be successfully checked for authentication to succeed. If a requisite module checks fails, the user is not notified until all other modules of the same module's type have been checked

Discussion 0

Correct Answer: A Vote an answer

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Question #13

Examine the commands and output shown:

What is the cause of this connection refusal? (Choose the best answer.)

A. The system has no route to localhost

B. The firewall blocked the connection due to an unintended rule blocking localhost port 80

C. The web server has no documents to serve

D. The web server is not listening on the local loopback adapter

Discussion 0

Correct Answer: B Vote an answer

Question #14

Examine some of the contents of the /boot/grub/grub.com file from an Oracle Linux system:
Default=0
Timeout=5
Splashimage=(hd0, 0)/grub/splash.xpm.gz
Hiddenmenu
Title Oracle Linux Server (2.6.39-100.0.12.16uek.x86_64)
Root (hd0, 0)
Kernet /vmlinuz-2.6.39-100.0.12.e16uek.x86_64 ro root=UUIP=a4b6049b-9aa1-44b4-87cf-aebb17alcdf9 rd_NO_LUKS re_NO_LVM rd_NO_DM LANG=en_US.UTF-8 SYSFONT=1atarcycreheb-sun16 KEYBOARDTYPE=PC KEYTABLE=us rhgb quiet numa=off Initrd /initramfs-2.6.39-100.0.12.e16uek.x86_64.img Title Oracle Linux Server (2.6.32-131.0.15.e16.x86_64) Root (hd0, 0) Kernel /vmlinuz-2.6.32-131.0.15.e16.x86_64 ro root=UUIS=a4b6049b-9aa1-44b4-87cf-aebb17a1cdf9 rd_NO_LUKS rd_NO_LVM rd_NO_LVM re_NO_MD rd_NO_DM LANG=en_UD.UTF-8 SYSFONT=latarcyheb-sun16 KEYBOARDTYPE=PC KEYTABLE=us Crashkernel=auto rhgp quiet numa = off Initrd /initramfs-2.6.32-131.0.15.e16.x86_64.img Which three statements are true about the behavior and configuration of GRUB on this system?

A. The hiddenmenu directive hides the GRUB menu only for 5 seconds after which it becomes visible again.

B. (hd0, 0) represents the first partition on device /dev/hd0.

C. The initrd directive specifies the initamfs, an initial root filesystem in RAM, allowing access to block device modules to mount the real root filesystem.

D. Because there is an Unbreakable Enterprise Kernel installed, it must be the default kernel listed as shown by the default=0 directive.

E. The root directive specifies an initial root filesystem, allowing access to block device modules to mount the real root filesystem on disk.

F. Each kernel must have an initramfs that matches the version of the kernel.

G. (hd0, 0) represents the first partition on the first drive detected by the BIOS.

Discussion 0

Correct Answer: B,C,E Vote an answer

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