Hot 1z1-106 Questions | 1z1-106 Vce Exam

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Oracle Linux 8 Advanced System Administration Certification Exam is ideal for administrators who want to showcase their skills in managing large and complex Oracle Linux systems. Oracle Linux 8 Advanced System Administration certification exam evaluates the candidate’s ability to manage advanced system administration tasks in Oracle Linux systems, allowing organizations to identify skilled professionals who can help them manage their IT infrastructure more effectively. 1z1-106 Exam covers Oracle Linux 8, which was released in May 2019 and contains several key new features.

>> Hot 1z1-106 Questions <<

Oracle Linux 8 Advanced System Administration Sample Questions (Q15-Q20):

NEW QUESTION # 15
Which two statements are true about control groups (cgroups) in Oracle Linux 8?

A. A cgroup is a collection of processes bound to a set of limits or parameters defined in the cgroups filesystem.
B. Cgroups allow processes to be organized into hierarchical groups whose resource usage cannot be limited and monitored.
C. Oracle Linux 8 implements cgroups v2 by default.
D. The cgroups filesystem allows limits to be overwritten in the lower levels of the hierarchy.
E. Different controllers from cgroups version 1 and cgroups version 2 cannot be used at the same time.

Answer: A,C

NEW QUESTION # 16
Examine these commands, which execute successfully:
# firewall-cmd --zone=public --add-service=cockpit --permanent
# firewall-cmd --zone=public --add-port=1313/tcp --permanent
# firewall-cmd --reload
Which are true upon execution?

A. Egress traffic is allowed for the Cockpit service only when using port 1313.
B. The Cockpit service is added only to the public zone.
C. Runtime firewall configuration is not lost when the firewalld process is restarted or the system is rebooted.
D. Port 1313 blocks all traffic for the public zone except for ingress traffic to the Cockpit service.
E. The custom Cockpit service configuration file is updated in /usr/lib/firewalld/services.

Answer: B,C

NEW QUESTION # 17
Which three are features of the btrfs file system?

A. Efficient storage for small files
B. Block devices mirroring
C. Cluster file system
D. General-purpose volume manager
E. Automatic defragmentation
F. Online resizing
G. Copy-on-write metadata

Answer: E,F,G

Explanation:
* Option B (Correct):Btrfs uses a copy-on-write mechanism for both data and metadata, which ensures that the file system is more resilient to crashes and data corruption.
* Option E (Correct):Btrfs supports online resizing, meaning that you can change the size of a mounted Btrfs file system without unmounting it.
* Option G (Correct):Btrfs automatically defragments files in the background to maintain performance.
* Option A (Incorrect):While Btrfs does support mirroring, it is not strictly block device mirroring in the traditional sense like RAID; it uses a different approach to redundancy.
* Option C (Incorrect):Btrfs is not a cluster file system; it is designed for local file systems.
* Option D (Incorrect):While Btrfs can store small files efficiently, it is not its primary design goal compared to other file systems optimized specifically for small files.
* Option F (Incorrect):Btrfs is a file system with integrated volume management capabilities but is not a general-purpose volume manager like LVM.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Btrfs File System
* man btrfsfor features and management.

NEW QUESTION # 18
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. *.emerg *
B. #kern.* /dev/sssd/sssd.log
C. cron.* /var/log/cron
D. *.info;mail.none;authpriv.none;cron.none /var/log/messages
E. authpriv.* /var/log/auth

Answer: E

Explanation:
* Option A (Correct):The configuration lineauthpriv.* /var/log/authwould direct all messages of theauthprivfacility (which includes sensitive authentication messages) to the/var/log/authfile. The log entries provided, which include authentication-related messages from PAM (pam_unix), would be logged due to this setting.
* Option B (Incorrect):The*.emerg *setting logs emergency messages to all users, not specifically the provided log output.
* Option C (Incorrect):This setting logs various non-authentication-related messages to/var/log
/messages. It specifically excludesauthpriv.
* Option D (Incorrect):This setting appears to be commented out and incorrect for the logging behavior described.
* Option E (Incorrect):Thecron.*setting logs cron messages, unrelated to the provided authentication logs.
Oracle Linux Reference:Refer to:
* OracleLinux 8: System Logging with rsyslog

NEW QUESTION # 19
Which two methods of changing kernel parameters can you use to modify values for the running system?

A. Adding to or modifying parameters and values in the /etc/sysctl.conf file followed by issuing the sysctl -p command.
B. Using the echo command to write values to specific files in the /sys directory.
C. Using the echo command to write values to specific files in the /proc/sys directory.
D. Issuing the sysctl -w command to write values to specific files in the /proc/sys directory.
E. Issuing the sysctl -w command to write values to specific files in the /sys directory.

Answer: C,D

NEW QUESTION # 20
......

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HOT 1Z1-106 QUESTIONS | 1Z1-106 VCE EXAM

Hot 1z1-106 Questions | 1z1-106 Vce Exam