Oracle Linux 8 Advanced System Administration (1z1-106) Free Practice Test

Question 1

Examine this command:
# ssh -L 5011:127.0.0.1:80 [email protected] -f sleep 30
Which two are true upon execution?

A. An SSH connection process is forked to the background.

B. A local port forward is created between client and server.

C. A socket remains open for 30 minutes unless a connection is established.

D. A web server is listening on port 5011.

E. A reverse tunnel is created back to the local host on port 80.

Correct Answer: A,B

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Question 2

Which two statements are true about kernel boot parameters?

A. Boot parameters defined as values for the GRUB_BOOT command-line interface are persistent and apply to all subsequent reboots.

B. Parameters passed to the kernel from the GRUB 2 menu are persistent and apply to all subsequent reboots.

C. Each kernel version's boot parameters are stored in independent configuration files in/boot/loader
/entries.

D. Boot parameters are defined as values for the GRUB_CMDLINE_LINUX directive in the /etc/default
/grub file.

Correct Answer: C,D

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Question 3

Examine these requirements for a host with a user oracle:
* Network services must run in a confined domain.
* The oracle user must be confined.
* The oracle user must be able to use Mozilla Firefox.
* Access to files and directories must be granted based only on SELinux contexts.
* The SELinux configuration must be persistent across system restarts.
* Users must be able to publish private HTML content.
Now examine these commands and output:
# sestatus
SELinux status: enabled
SELinuxfs mount: /sys/fs/selinux
SELinux root directory: /etc/selinux
Loaded policy name: targeted
Current mode: permissive
Mode from config file: permissive
Policy MLS status: enabled
Policy deny_unknown status: allowed
Memory protection checking: actual (secure)
Max Kernel policy version: 31
# setenforce enforcing
# semanage login -a -s guest_u oracle
# setsebool -P http_enable_homedirs on
Which requirements are satisfied?

A. 1, 2, 4, 5, 6

B. 1, 2, 3, 5, 6

C. 1, 2, 6

D. 1, 2, 4, 6

E. 1, 2, 3, 4, 5, 6

F. 1, 2, 3, 6

Correct Answer: A

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Question 4

Which two default user account settings are contained in /etc/login.defs?

A. Decryption method used to decrypt passwords.

B. Password aging controls.

C. Encryption method used to encrypt passwords.

D. Group hashed passwords.

E. User hashed passwords.

Correct Answer: B,C

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Question 5

Which two statements are true about fdisk?

A. It cannot partition disks larger than 2 TB by using a GPT partition table.

B. It understands GPT, MBR, and HFS partition tables.

C. It can divide logical devices into one or more block disks called partitions.

D. It can partition disks larger than 2 TB by using a GPT partition table.

E. fdisk -l displays disk size information for all disks.

Correct Answer: A,E

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Question 6

Which two statements are true about systemd system and service manager?

A. The service command is used to start and stop system service units.

B. systemd service units expose kernel devices and can be used to implement device-based activation.

C. systemd is the first process that starts after the system boots and is the final process left running before the system shuts down.

D. systemd is backward-compatible with the System V init scripts that were used in earlier versions of Oracle Linux.

E. systemd reads /etc/system to determine which services to start.

Correct Answer: C,D

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Question 7

Examine this segment of /etc/rsyslog.conf:
# Log all kernel messages to the console.
# Logging much else clutters up the screen.
#kern.* /dev/console
# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;authpriv.none;cron.none /var/log/messages
# The authpriv file has restricted access.
authpriv.* /var/log/secure
# Log all the mail messages in one place.
mail.* -/var/log/maillog
# Log cron stuff
cron.* /var/log/cron
# Everybody gets emergency messages
*.emerg :omusrmsg:*
Now examine this log output:
less
Nov 9 20:32:16 server02 sudo[4570]: pam_unix(sudo:session): session opened for user opc (uid=0) Nov 9 20:32:17 server02 sudo[4570]: pam_unix(sudo:session): session closed Nov 9 20:32:24 server02 unix_chkpwd[4661]: password check failed for user Nov 9 20:32:24 server02 su[4581]: pam_unix(su:auth): authentication failed; logname= uid=1000 euid=0 tty=pts/0 ruser=opc rhost= user=root Which setting enabled the reporting of this log file output?

A. #kern.* /dev/sssd/sssd.log

B. *.emerg *

C. *.info;mail.none;authpriv.none;cron.none /var/log/messages

D. authpriv.* /var/log/auth

E. cron.* /var/log/cron

Correct Answer: D

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Oracle Linux 8 Advanced System Administration (1z1-106) Free Practice Test