RELIABLE 1Z1-106 TEST QUESTIONS, EXAM 1Z1-106 TRAINING

Reliable 1z1-106 Test Questions, Exam 1z1-106 Training

Reliable 1z1-106 Test Questions, Exam 1z1-106 Training

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Oracle 1Z0-106 certification exam is a great way for advanced system administrators to demonstrate their expertise in Oracle Linux 8. Passing the exam can lead to many career opportunities and is highly valued in the industry. Candidates should take advantage of the various resources available to prepare for the exam and should have at least one year of experience working with Oracle Linux 8 before attempting the exam.

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Candidates who pass the Oracle 1Z0-106 exam will be recognized as Oracle Certified Professionals in Oracle Linux 8 Advanced System Administration. Oracle Linux 8 Advanced System Administration certification is highly valued in the industry and can open up many opportunities for career advancement. It demonstrates to employers and clients that the candidate has the skills and knowledge necessary to manage complex Oracle Linux 8 systems.

Oracle Linux 8 Advanced System Administration Sample Questions (Q16-Q21):

NEW QUESTION # 16
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-only, async.
  • B. /nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-write, sync.
  • C. All three filesystems are mounted read-write, sync.
  • 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 # 17
Which two directories store PAM authentication modules?

  • A. /var/lib
  • B. /lib/security
  • C. /etc/pam.d
  • D. /lib64/security
  • E. /usr/lib

Answer: B,D


NEW QUESTION # 18
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. Use a physical disk partition type of 82 (Linux swap).
  • D. Assign a label to the .swapfile file by using the swaplabel command.
  • E. Execute swapon -L swapfile /.swapfile after adding a label.
  • F. Execute swapon -all.

Answer: B,D

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 # 19
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 second job are delayed between 31 and 70 minutes.
  • B. Jobs defined in this anacrontab file can be executed between 15:00 and 22:00
  • C. Scripts run by the first job are delayed between 11 and 45 minutes.
  • D. Scripts run by the third job are delayed between 45 and 90 minutes.
  • E. Jobs defined in this anacrontab file are randomly delayed by up to 51 minutes.

Answer: B,D

Explanation:
Understanding the anacrontab Entries:
The /etc/anacrontab file contains the following variables and job definitions:
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
Variables Explained:
* RANDOM_DELAY=45
* Specifies that arandom delaybetween 0 and 45 minutes is added to the base delay of each job.
* START_HOURS_RANGE=3-22
* Jobs are allowed to start only between03:00 (3 AM)and22:00 (10 PM).
Job Delays Calculated:
* First Job (dailyjob):
* Base Delay:5 minutes
* Random Delay:0 to 45 minutes
* Total Delay:5 + (0 to 45) =5 to 50 minutes
* Second Job (weeklyjob):
* Base Delay:25 minutes
* Random Delay:0 to 45 minutes
* Total Delay:25 + (0 to 45) =25 to 70 minutes
* Third Job (monthlyjob):
* Base Delay:45 minutes
* Random Delay:0 to 45 minutes
* Total Delay:45 + (0 to 45) =45 to 90 minutes
Option B: Jobs defined in this anacrontab file can be executed between 15:00 and 22:00
* Explanation:
* The START_HOURS_RANGE=3-22 setting allows jobs to start between03:00 and 22:00.
* Therefore, it's true that jobscan be executed between 15:00 (3 PM) and 22:00 (10 PM).
* This statement is correct because the specified time range falls within the allowed start hours.
* Oracle Linux Reference:
* OracleLinux 8: Scheduling Tasks- Section on "Anacron Configuration Files":
"The START_HOURS_RANGE variable defines the time window during which Anacron jobs can run." Option C: Scripts run by the third job are delayed between 45 and 90 minutes.
* Explanation:
* The third job (monthlyjob) has abase delay of 45 minutes.
* With a RANDOM_DELAY of up to 45 minutes, thetotal delaybefore execution is between45 and 90 minutes.
* Therefore, this statement is accurate.
* Oracle Linux Reference:
* OracleLinux 8: Scheduling Tasks- Section on "Understanding Anacron Job Delays":
"Each job's delay is calculated by adding its defined delay to a random value between 0 and RANDOM_DELAY." Why Other Options Are Not Correct:
* Option A:Scripts run by the first job are delayed between 11 and 45 minutes.
* Explanation:
* The first job (dailyjob) has a total delay between5 and 50 minutes(5-minute base delay plus up to 45 minutes random delay).
* Therefore, the statement specifying11 to 45 minutesis incorrect.
* Option D:Jobs defined in this anacrontab file are randomly delayed by up to 51 minutes.
* Explanation:
* The maximum random delay is set by RANDOM_DELAY=45, so the random delay is up to45 minutes, not 51.
* Therefore, this statement is false.
* Option E:Scripts run by the second job are delayed between 31 and 70 minutes.
* Explanation:
* The second job (weeklyjob) has a total delay between25 and 70 minutes(25-minute base delay plus up to 45 minutes random delay).
* The statement specifies a delay between31 and 70 minutes, which is incorrect because the minimum delay is 25 minutes.
Conclusion:
Options B and C are correct based on the configuration specified in /etc/anacrontab. They accurately reflect the possible execution times and delays for the jobs defined.


NEW QUESTION # 20
Which three are features of the btrfs file system?

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

Answer: A,B,D


NEW QUESTION # 21
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