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NEW QUESTION # 12
Examine the access privileges on this directory:
drwx------ 2 user1 test 4096 Nov 6 10:12 my_directory/
You must enable another user to read and navigate to my_directory. Which command will do this?
- A. setfacl --modify user:user2:r-x my_directory
- B. setfacl --default --modify user:user2:rw- my_directory
- C. setfacl --modify group:test:r-- my_directory
- D. setfacl --modify user:user2:r-- my_directory
- E. setfacl -x user:user2 my_directory
Answer: A
NEW QUESTION # 13
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, 4, 5, 6
- C. 1, 2, 3, 6
- D. 1, 2, 4, 6
- E. 1, 2, 6
- F. 1, 2, 3, 5, 6
Answer: A
NEW QUESTION # 14
Which two components are used for creating a new rsyslog rule?
- A. security policy
- B. action
- C. parser
- D. filter
- E. module
Answer: B,D
NEW QUESTION # 15
Which two statements are true about the configuration and use of cron or anacron?
- A. The crond daemon looks for jobs only in /etc/crontab.
- B. anacron jobs are used to run cron jobs if the system was powered off when they were scheduled to run.
- C. anacron jobs may run only once a day.
- D. cron jobs may run only once a minute.
- E. All crontabs are held in the /etc/cron.d directory.
Answer: B,C
Explanation:
Option D: anacron jobs may run only once a day.
* Explanation:
* Anacronis designed for systems that are not running continuously (e.g., desktops or laptops that may be powered off at night). It ensures that scheduled tasks are executed at the specified intervals.
* Anacron jobs are defined with periods indays. The minimal unit of time for scheduling in Anacron isone day. Therefore, Anacron can schedule jobs to runonce a dayat most.
* It is not intended for tasks that need to run multiple times per day.
* Oracle Linux Reference:
* OracleLinux 8: Scheduling Tasks- Section onAnacron Configuration Files:
"Anacron is used to run commands periodically with a frequency specified in days." Option E: anacron jobs are used to run cron jobs if the system was powered off when they were scheduled to run.
* Explanation:
* Anacron complements Cron by ensuring thatscheduled jobs are not missedif the system is powered off or in standby mode at the time they were supposed to run.
* When the system boots up, Anacron checks for any scheduled jobs that did not run and executes them accordingly.
* This is particularly useful for laptops or desktops that are not always on.
* Oracle Linux Reference:
* OracleLinux 8: Scheduling Tasks- Section onUnderstanding Anacron:
"Anacron is designed to run commands periodically with specified frequency, but unlike cron, it does not assume that the system is running continuously." Why Other Options Are Not Correct:
* Option A:cron jobs may run only once a minute.
* Explanation:
* Cron allows scheduling tasks with a minimum granularity ofone minute. However, this means that tasks can be scheduled to runevery minute, not limited to only once a minute.
* Multiple cron jobs can be scheduled to run at the same minute.
* Therefore, the statement is misleading; cron jobs can runas frequently as every minute, but notonly once a minute.
* Option B:All crontabs are held in the /etc/cron.d directory.
* Explanation:
* The /etc/cron.d directory is used for system-wide cron jobs provided by packages or administrators.
* User-specific cron jobs are stored in /var/spool/cron/ or managed via the crontab command and not placed in /etc/cron.d.
* Additionally, the system crontab file is /etc/crontab, and there are also directories like /etc
/cron.hourly, /etc/cron.daily, etc.
* Option C:The crond daemon looks for jobs only in /etc/crontab.
* Explanation:
* The crond daemon checks multiple locations for scheduled jobs:
* User crontabs managed via the crontab -e command (stored in /var/spool/cron/).
* System-wide crontab file (/etc/crontab).
* The /etc/cron.d/ directory.
* The /etc/cron.hourly/, /etc/cron.daily/, /etc/cron.weekly/, and /etc/cron.monthly/ directories.
* Therefore, crond does not look for jobsonlyin /etc/crontab.
Conclusion:
OptionsDandEare correct because they accurately describe the characteristics and purposes of Anacron in the context of scheduling tasks on an Oracle Linux system.
NEW QUESTION # 16
Which two statements are true about naming network interfaces?
- A. Device names cannot be manually configured.
- B. Device names incorporate the physical location and hot plug slot index number.
- C. The udev device manager generates device names based on a series of schemes.
- D. Consistent device naming is enabled by default.
- E. The udev device manager uses a random number if all other schemes fail.
Answer: C,D
NEW QUESTION # 17
Examine this command:
# ssh -L 5011:127.0.0.1:80 [email protected] -f sleep 30
Which two are true upon execution?
- A. A socket remains open for 30 minutes unless a connection is established.
- B. A reverse tunnel is created back to the local host on port 80.
- C. An SSH connection process is forked to the background.
- D. A local port forward is created between client and server.
- E. A web server is listening on port 5011.
Answer: C,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 # 18
Examine these Kubernetes components:
Which option correctly matches the components with their description?
- A. 1-d, 2-f, 3-c, 4-e, 5-a, 6-b
- B. 1-b, 2-a, 3-e, 4-c, 5-f, 6-d
- C. 1-c, 2-f, 3-d, 4-b, 5-e, 6-a
- D. 1-d, 2-f, 3-e, 4-a, 5-c, 6-b
- E. 1-a, 2-d, 3-b, 4-c, 5-e, 6-f
Answer: A
NEW QUESTION # 19
Which command configures a fully functional and accessible interface on VLAN 800?
- A. modprobe 8021q ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up
- B. modprobe 8021q ip link add link eth0 name eth0.800 type vlan id 800 ip link set eth0.800 up
- C. modprobe 8021q ip link add link eth0 name eth0.800 type vlan id 800 ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up
- D. modprobe 8021q ip link add link eth0 name eth0.800 VLAN 800 ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up
Answer: C
NEW QUESTION # 20
Examine the access privileges on this directory:
drwx------ 2 user1 test 4096 Nov 6 10:12 my_directory/
You must enable another user to read and navigate to my_directory. Which command will do this?
- A. setfacl --modify user:user2:r-x my_directory
- B. setfacl --default --modify user:user2:rw- my_directory
- C. setfacl --modify group:test:r-- my_directory
- D. setfacl --modify user:user2:r-- my_directory
- E. setfacl -x user:user2 my_directory
Answer: A
Explanation:
* Option D (Correct):The commandsetfacl --modify user:user2:r-x my_directorysets an Access Control List (ACL) entry that givesuser2read (r) and execute (x) permissions onmy_directory. The execute (x) permission is required to allow navigation into the directory.
* Option A (Incorrect):The--defaultoption would set the default ACL for future files or directories created withinmy_directory, not the directory itself.
* Option B (Incorrect):This option gives only read (r) permission, but without execute (x) permission, user2cannot navigate into the directory.
* Option C (Incorrect):The-xoption is used to remove an ACL entry, not modify it.
* Option E (Incorrect):This modifies the ACL for the grouptestinstead of the useruser2.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Using Access Control Lists
NEW QUESTION # 21
Which two statements are true about the configuration and use of cron or anacron?
- A. The crond daemon looks for jobs only in /etc/crontab.
- B. anacron jobs are used to run cron jobs if the system was powered off when they were scheduled to run.
- C. anacron jobs may run only once a day.
- D. cron jobs may run only once a minute.
- E. All crontabs are held in the /etc/cron.d directory.
Answer: B,C
NEW QUESTION # 22
Examine these commands executed by root:
# mkdir -p /jail /jail/bin /jail/lib64
# cp $(which bash) /jail/bin/
# ldd $(which bash)
linux-vdso.so.1 (0x00007ffd574f5000)
libtinfo.so.6 => /lib64/libtinfo.so.6 (0x00007fb458c2c000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007fb458a28000)
libc.so.6 => /lib64/libc.so.6 (0x00007fb458666000)
/lib64/ld-linux-x86-64.so.2 (0x00007fb459177000)
# cp /lib64/libtinfo.so.6 /jail/lib64/
# cp /lib64/libdl.so.2 /jail/lib64/
# cp /lib64/libc.so.6 /jail/lib64/
# cp /lib64/ld-linux-x86-64.so.2 /jail/lib64/
# chroot /jail
What is the output from the cd, pwd, and ls commands?
- A. bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/
bash-4.4# ls
bin lib64 - B. bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/root
bash-4.4# ls
bash: ls: command not found - C. bash-4.4# cd
bash: cd: /root: Unable to access chrooted file or directory /root
bash-4.4# pwd
/
bash-4.4# ls
bin lib64 - D. bash-4.4# cd
bash: cd: command not found
bash-4.4# pwd
bash: pwd: command not found
bash-4.4# ls
bash: ls: command not found
Answer: A
NEW QUESTION # 23
Examine this command:
# auditctl -w /etc/passwd -p w -k pass
Which two statements are true upon execution?
- A. An audit rule is defined with the keyword pass.
- B. A write occurs to /etc/audit/audit.rules.
- C. An audit is defined that creates a log entry every time a write occurs to /etc/passwd.
- D. An audit rule is defined that creates a log entry every time /etc/passwd is read.
- E. A write occurs to /etc/audit/rules.d/audit.rules.
Answer: A,C
NEW QUESTION # 24
Which statement is true about slice units?
- A. A slice unit accepts multiple names by the creation of additional symlinks to the unit file.
- B. Processes in a slice unit are named at the same level as scopes and services.
- C. A slice unit is a concept for hierarchically managing resources in a group of processes.
- D. The system.slice contains all system services and user sessions.
Answer: C
NEW QUESTION # 25
Examine these commands and output:
# cat /etc/auto.master
/net -hosts
/- auto.direct ro
# cat /etc/auto.direct
/nfs1 host01:/export/share1
/nfs2 -sync host01:/export/share2
/nfs3 host02:/export/share3
Automounter must be used to mount these filesystems. Which mount options will it use?
- A. All three filesystems are mounted read-write, sync.
- B. /nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-write, sync.
- C. All three filesystems are mounted read-only, async.
- D. All three filesystems are mounted read-only, sync.
- E. /nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-only, sync.
Answer: E
Explanation:
Understanding the Automounter Configuration:
/etc/auto.master:
/net -hosts
/- auto.direct ro
* The /- auto.direct ro line indicates:
* Mount Point Prefix:/ (direct mounts)
* Map File:auto.direct
* Global Mount Options:ro (read-only)
/etc/auto.direct:
/nfs1 host01:/export/share1
/nfs2 -sync host01:/export/share2
/nfs3 host02:/export/share3
* /nfs1 and /nfs3:
* No specific mount options in auto.direct.
* Inherit the ro option from /etc/auto.master.
* /nfs2:
* Specifies -sync option in auto.direct.
* Inherits ro from /etc/auto.master.
* Mount options are ro,sync.
Mount Options Resolution:
* Global Options (ro) apply to all entries unless overridden.
* Per-Entry Options in auto.direct override or supplement global options.
Effective Mount Options:
* /nfs1:
* ro (from /etc/auto.master)
* Default NFS options (async unless sync is specified)
* /nfs2:
* ro (from /etc/auto.master)
* sync (specified in auto.direct)
* /nfs3:
* ro (from /etc/auto.master)
* Default NFS options (async)
Oracle Linux Reference:
* OracleLinux 8: Configuring File Systems-Automounter Configuration:
"Options specified in the master map apply to all entries in the map unless overridden by entries in the map itself."
* NFS Default Options:
"By default, NFS mounts are asynchronous (async) unless the sync option is specified." Conclusion:
* /nfs1 and /nfs3:Mounted with ro,async.
* /nfs2:Mounted with ro,sync.
* Correct Option:A
NEW QUESTION # 26
Which two statements are true about the Oracle Linux 8 boot process?
- A. The kernel loads driver modules from vmlinuz that are required to access the root file system.
- B. The bootloader loads the initramfs file into memory and extracts the vmlinuz file into the /boot file system.
- C. Both the vmlinuz file and the initramfs file are located in the /boot directory.
- D. The bootloader loads the initramfs file into memory and extracts the vmlinuz file into a temporary file system (tmpfs).
- E. The kernel loads driver modules from initramfs that are required to access the root file system.
Answer: D,E
NEW QUESTION # 27
Which two default user account settings are contained in /etc/login.defs?
- A. Encryption method used to encrypt passwords.
- B. Group hashed passwords.
- C. User hashed passwords.
- D. Password aging controls.
- E. Decryption method used to decrypt passwords.
Answer: A,D
Explanation:
Explanation of Answer D:The/etc/login.defsfile in Oracle Linux contains configuration settings related to user account policies, including password aging controls. This includes settings such asPASS_MAX_DAYS, PASS_MIN_DAYS, andPASS_WARN_AGE, which define the maximum number of days a password is valid, the minimum number of days between password changes, and the number of days before password expiration to warn users, respectively.
Explanation of Answer E:The/etc/login.defsfile also contains settings for the encryption method used to encrypt user passwords. TheENCRYPT_METHODparameter specifies the hashing algorithm, such as SHA512, that is used to encrypt user passwords stored in/etc/shadow.
NEW QUESTION # 28
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Oracle 1Z0-106 certification exam is designed to test the expertise of individuals in Oracle Linux 8 advanced system administration. 1z1-106 exam is intended for experienced Linux administrators who are responsible for managing enterprise-level systems. 1z1-106 exam covers a range of topics, including network configuration, storage management, security, performance optimization, and troubleshooting. 1z1-106 exam consists of 70 multiple-choice questions, and candidates have 105 minutes to complete it. The passing score for 1z1-106 exam is 63%, and it is available in English and Japanese languages.
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