Use Free 1Z0-106 Exam Questions that Stimulates Actual EXAM [Q34-Q52]

Use Free 1Z0-106 Exam Questions that Stimulates Actual EXAM

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Oracle 1Z0-106 exam consists of 60 multiple-choice questions, which must be completed within two hours. 1Z0-106 exam is computer-based, and candidates can take it at any authorized testing center or remotely from their own computer via the online proctoring option. To pass the exam, candidates must score at least 63% or higher.

Oracle 1Z0-106 Certification Exam is designed for professionals who have experience in Oracle Linux 8 System Administration. 1Z0-106 exam is structured to test the advanced skills of the candidates, including managing network components, configuring advanced storage, and implementing security measures. 1Z0-106 exam requires the candidates to have a solid understanding of advanced system administration concepts, including installing and configuring software and services, system monitoring, and troubleshooting.

 

NEW QUESTION # 34
As root you configured a file system using AutoFS with default settings. In the first session, you changed to a directory under AutoFS control. In a second session, you changed to /etc. Now the idle time for the session expires. Which two statements are true about the status of the file system mounted in the first session?

• A. It remains mounted until you log out from the first session.
• B. It was unmounted when the second session began.
• C. It remains mounted until you switch to a directory outside the current mount point.
• D. It was unmounted from the first session when the timer expired.
• E. It remains mounted as long as the system is running.

Answer: C,D

NEW QUESTION # 35
Which two statements are true about removing a physical volume (PV) from a volume group (VG)?

• A. It can be removed only after removing it from its VG by using vgreduce.
• B. It can be removed when an active VG has mounted file systems by running vgexport.
• C. It can be removed when an inactive logical volume is on the VG.
• D. It can be removed when it is part of an active VG.
• E. It cannot be removed when it is part of an active VG.

Answer: A,C

Explanation:
To remove a physical volume (PV) from a volume group (VG), it must first be removed using thevgreducecommand. This operation ensures that the VG no longer contains any references to the PV being removed.
Explanation of Answer D:A physical volume can be removed if there are no active logical volumes (LVs) on the VG that require space from that PV. If the LV is inactive, the PV can be safely removed from the VG.

NEW QUESTION # 36
Examine this command and output:
# ausearch -k mkdir
type=SYSCALL msg=audit(1604360199.719:44733): arch=c000003e syscall=83 success=no a0=55dec0b47400 a1=lc0 a2=0 a3=0 items=2 ppid=1354 pid=284632 auid=4294967295 uid=996 gid=996 euid=998 suid=998 fsuid=998 egid=996 sgid=996 fsgid=996 tty=(none) ses=429 comm="pkla-check-auth" exe="/usr/bin/pkla-check-authorization" subj=system_u:system_r:policykit_auth_t:s0 key="mkdir" Which command displays the syscall in text format instead of numerical format?

• A. ausearch -r -k mkdir
• B. ausearch -a 83 -k mkdir
• C. ausearch --format text -k mkdir
• D. ausearch -I -k mkdir
• E. ausearch -sc 83 -k mkdir

Answer: E

NEW QUESTION # 37
Which takes precedence for ssh program configuration?

• A. Command line
• B. /etc/ssh/ssh_config
• C. ~/.ssh/config
• D. /etc/ssh/sshd_config

Answer: A

Explanation:
Explanation of Answer C:When configuring SSH, the command-line options take the highest precedence.
Any configuration specified directly on the command line will override settings in user-specific (~/.ssh
/config) or system-wide configuration files (/etc/ssh/ssh_config).

NEW QUESTION # 38
Which two statements are true about removing a physical volume (PV) from a volume group (VG)?

• A. It can be removed only after removing it from its VG by using vgreduce.
• B. It can be removed when an active VG has mounted file systems by running vgexport.
• C. It can be removed when an inactive logical volume is on the VG.
• D. It can be removed when it is part of an active VG.
• E. It cannot be removed when it is part of an active VG.

Answer: A,C

Explanation:
To remove a physical volume (PV) from a volume group (VG), it must first be removed using thevgreducecommand. This operation ensures that the VG no longer contains any references to the PV being removed.
Explanation of Answer D:A physical volume can be removed if there are no active logical volumes (LVs) on the VG that require space from that PV. If the LV is inactive, the PV can be safely removed from the VG.

NEW QUESTION # 39
Which two types of reports does iostat generate?

• A. Swap Utilization Report
• B. Memory Utilization Report
• C. Device Utilization Report
• D. Storage Utilization Report
• E. CPU Utilization Report

Answer: C,E

Explanation:
Explanation of Answer B:iostatis a tool used to monitor system input/output device loading by observing the time devices are active concerning their average transfer rates. The "Device Utilization Report" provides statistics about device utilization and throughput rates, which is critical in identifying performance bottlenecks.
Explanation of Answer E:iostatalso generates "CPU Utilization Reports." These reports provide data about how the CPU is utilized during input/output operations, showing the percentage of CPU time used for user processes, system processes, and the time the CPU remains idle.

NEW QUESTION # 40
Examine this command and output:
# mdadm --detail /dev/md0
/dev/md0:
Creation Time: Tue Oct 27 16:53:38 2020
Raid Level: raid5
Array Size: 207872 (203.03 MiB 212.86 MB)
Used Dev Size: 103936 (101.52 MiB 106.43 MB)
Raid Devices: 3
Total Devices: 3
Persistence : Superblock is persistent
Update Time: Tue Oct 27 16:53:38 2020
State: clean, degraded, recovering
Active Devices: 2
Working Devices: 3
Failed Devices: 0
Spare Devices: 1
Layout: left-symmetric
Chunk Size: 512K
Rebuild Status: 60% complete
Name: ol8.example.com:0 (local to host ol8.example.com)
UUID: 70f8bd2f:0505d92d:750a781e:c224508d
Events: 66
Number Major Minor RaidDevice State
0 8 49 0 active sync /dev/sdd1
1 8 65 1 active sync /dev/sde1
3 8 81 2 spare rebuilding /dev/sdf1
Which two are true?

• A. Only write performance is currently sub-optimal on this RAID set.
• B. An extra device was added to this RAID set to increase its size.
• C. The RAID set read and write performance is currently sub-optimal.
• D. A RAID device failed and has returned to normal operating status.
• E. A new RAID device was just added to replace a failed one.

Answer: C,E

NEW QUESTION # 41
Which two statements are true about the Linux Auditing System?

• A. Auditing system call rules can affect system performance depending on the amount of information that is logged.
• B. Auditing modes include permissive, enforcing, and disabled.
• C. Auditing can scan for Common Vulnerabilities and Exposures (CVE) and automatically apply needed patches to a system.
• D. Auditing rules can log administrator attempts to access user home directories.
• E. Auditing includes security policies, each of which includes security rules, or checks, which are checked when you run a security scan.

Answer: A,D

NEW QUESTION # 42
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 /proc/sys directory.
• C. Issuing the sysctl -w command to write values to specific files in the /sys directory.
• D. Using the echo command to write values to specific files in the /sys directory.
• E. Issuing the sysctl -w command to write values to specific files in the /proc/sys directory.

Answer: B,E

NEW QUESTION # 43
Examine this command and output:
$ ftp host01.example.com
Connected to host01.example.com (192.168.40.131).
220 (vsFTPd 3.0.2)
Name (host01.example.com:oracle):
After entering a carriage return, this error message is displayed:
530 Permission denied
Login Failed
ftp>
Why is the oracle user denied access to the FTP server on host01.example.com?

• A. The oracle user is listed in /etc/vsftpd/ftpusers.
• B. The oracle user does not exist on host01.example.com.
• C. The oracle user is listed in /etc/vsftpd/user_list and USERLIST_ENABLE is set to NO in /etc/vsftpd
  /vsftpd.conf.
• D. LOCAL_ENABLE is set to NO in /etc/vsftpd/vsftpd.conf.
• E. The oracle user is listed in /etc/vsftpd/user_list and USERLIST_ENABLE is set to YES in /etc/vsftpd
  /vsftpd.conf.

Answer: E

Explanation:
The530 Permission deniederror indicates that the user is not allowed to log in. In vsFTPd, if theUSERLIST_ENABLEoption is set toYESin/etc/vsftpd/vsftpd.conf, and theoracleuser is listed in/etc/vsftpd
/user_list, that user is explicitly denied access to the FTP server.

NEW QUESTION # 44
Which three statements are true about the journalctl command?

• A. journalctl -p 6 shows all info log level messages and above.
• B. journalctl -bl -p err fails if journal persistence is not configured.
• C. journalctl -p notice..warning shows all messages from notice to warning log level since the last boot.
• D. journalctl -p err shows only error log level.
• E. journalctl -k shows kernel logs since the last boot.

Answer: A,D,E

NEW QUESTION # 45
You must add an additional swap device and you add this entry to /etc/fstab:
/.swapfile none swap defaults 0 0
Examine these commands and output:
# dd if=/dev/zero of=/.swapfile bs=1024 count=1048576
1048576+0 records in
1048576+0 records out
1073741824 bytes (1.1 GB, 1.0 GiB) copied, 4.32499 s, 248 MB/s
# swapon -a
swapon: /.swapfile: insecure permissions 0644, 0600 suggested.
swapon: /.swapfile: read swap header failed
Which two actions must you perform to add this swap device?

• A. Change defaults to user in the /etc/fstab entry.
• B. Initialize the .swapfile file by using the mkswap command.
• C. Assign a label to the .swapfile file by using the swaplabel command.
• D. Use a physical disk partition type of 82 (Linux swap).
• E. Execute swapon -all.
• F. Execute swapon -L swapfile /.swapfile after adding a label.

Answer: B,C

Explanation:
To use a file as swap space, it must first be initialized with themkswapcommand. Theddcommand creates an empty file, butmkswapformats this file to be used as swap space. This command writes the necessary swap header to the file, making it recognizable by the system as a valid swap area.
Explanation of Answer D:After initializing the swap file withmkswap, you can optionally assign a label to the swap file using theswaplabelcommand. This is not strictly required, but it can be useful for identifying swap files, especially if you are using multiple swap devices.

NEW QUESTION # 46
Examine /etc/anacrontab:
SHELL=/bin/sh
PATH=/sbin:/bin:/usr/sbin:/usr/bin
MAILTO=root
# the maximal random delay added to the base delay of the jobs
RANDOM_DELAY=45
# the jobs are started during the following hours only
START_HOURS_RANGE=3-22
# period in days delay in minutes job-identifier command
1 5 dailyjob nice run-parts /etc/cron.daily
7 25 weeklyjob nice run-parts /etc/cron.weekly
@monthly 45 monthlyjob nice run-parts /etc/cron.monthly
Which two statements are true about the jobs scheduled in this file?

• A. Scripts run by the first job are delayed between 11 and 45 minutes.
• B. Scripts run by the second job are delayed between 31 and 70 minutes.
• C. Scripts run by the third job are delayed between 45 and 90 minutes.
• D. Jobs defined in this anacrontab file are randomly delayed by up to 51 minutes.
• E. Jobs defined in this anacrontab file can be executed between 15:00 and 22:00

Answer: C,E

NEW QUESTION # 47
Which statement is true about slice units?

• A. The system.slice contains all system services and user sessions.
• B. A slice unit is a concept for hierarchically managing resources in a group of processes.
• C. A slice unit accepts multiple names by the creation of additional symlinks to the unit file.
• D. Processes in a slice unit are named at the same level as scopes and services.

Answer: B

NEW QUESTION # 48
Which two statements are true about container technology?

• A. Containers package an application with the individual runtime stack.
• B. A container application built on a bare metal system cannot run on virtual machines or cloud instances.
• C. Podman requires a running daemon to function and to enable containers to start and run without root permissions.
• D. A container application is dependent on the host operating system and kernel version.
• E. Podman, Buildah, and Skopeo are independent tools to create, run, and manage container applications across compatible Oracle Linux systems.

Answer: D,E

Explanation:
* Option B (Correct):Container applications are dependent on the host operating system's kernel because containers share the OS kernel, unlike virtual machines, which use a hypervisor. Compatibility of the host OS kernel version is required to run containers.
* Option D (Correct):Podman, Buildah, and Skopeo are container tools for managing container applications. Podman runs containers without requiring a daemon like Docker, Buildah is used to build container images, and Skopeo is used for transferring container images. These tools can operate independently of one another, providing a flexible and modular approach to container management on Oracle Linux.
* Option A (Incorrect):Container applications built on bare metal can run on virtual machines or cloud instances as long as the environment supports the container runtime.
* Option C (Incorrect):Containers do not package the entire runtime stack; they include the application and its dependencies but rely on the host OS for the kernel.
* Option E (Incorrect):Podman does not require a running daemon; one of its advantages over Docker is that it can run containers in rootless mode without needing a persistent daemon.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Podman and Containers Guide
* man podman,man buildah,man skopeofor further details on these tools.

NEW QUESTION # 49
Examine this command:
# ssh -L 5011:127.0.0.1:80 [email protected] -f sleep 30
Which two are true upon execution?

• A. A reverse tunnel is created back to the local host on port 80.
• B. An SSH connection process is forked to the background.
• C. A web server is listening on port 5011.
• D. A local port forward is created between client and server.
• E. A socket remains open for 30 minutes unless a connection is established.

Answer: B,D

Explanation:
Explanation of Answer B:The commandssh -L 5011:127.0.0.1:80 [email protected] -f sleep 30creates a local port forward. This means port5011on the client machine is forwarded to port80on the remote machine (10.10.2.20) using the SSH connection.
Explanation of Answer E:The-foption of thesshcommand causes the SSH connection process to fork to the background after authentication is complete. Thesleep 30command keeps the SSH connection alive for 30 seconds.

NEW QUESTION # 50
Examine this command:
# cryptsetup luksOpen /dev/xvdd1 cryptfs
What happens upon execution?

• A. It creates the /dev/mapper/xvdd1 device mapping file.
• B. It creates the LUKS partition on /dev/xvdd1.
• C. It creates the /dev/mapper/cryptfs device mapping file.
• D. It creates the /dev/mapper/xvdd1/cryptfs device mapping file.
• E. It creates the /dev/mapper/xvdd1-cryptfs device mapping file.

Answer: C

Explanation:
The commandcryptsetup luksOpen /dev/xvdd1 cryptfsis used to open an encrypted LUKS partition. This command maps the encrypted block device/dev/xvdd1to a decrypted block device that is accessible under/dev
/mapper/cryptfs.
* Option A (Correct):This is correct because thecryptsetup luksOpencommand creates a device mapping under/dev/mapper/with the name specified (cryptfsin this case). This mapping allows you to access the encrypted content of/dev/xvdd1through the decrypted virtual device/dev/mapper/cryptfs.
* Options B, C, D, E (Incorrect):These options are incorrect because they do not accurately reflect the standard behavior of thecryptsetup luksOpencommand. The device created will always be in the format
/dev/mapper/<name>where<name>is the alias specified in the command.
Oracle Linux Reference:For more information, refer to:
* OracleLinux 8: Managing Storage Devices
* man cryptsetupfor more details on theluksOpencommand and LUKS management.

NEW QUESTION # 51
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. *.info;mail.none;authpriv.none;cron.none /var/log/messages
• B. #kern.* /dev/sssd/sssd.log
• C. authpriv.* /var/log/auth
• D. cron.* /var/log/cron
• E. *.emerg *

Answer: C

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 # 52
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