1Z0-106過去問題、1Z0-106勉強ガイドなにごとによらず初手は难しいです、どのようにOracle 1Z0-106試験への復習を始めて悩んでいますか。我々のOracle 1Z0-106問題集を購買するのはあなたの試験に準備する第一歩です。我々の提供するOracle 1Z0-106問題集はあなたの需要に満足できるだけでなく、試験に合格する必要があることです。あなたはまだ躊躇しているなら、JPTestKingの1Z0-106問題集デモを参考しましょ。
Oracle 1Z0-106認定試験は、高度なシステム管理者がOracle Linux 8の専門知識を証明するための素晴らしい方法です。試験に合格することで、多くのキャリアチャンスが生まれ、業界で高く評価されます。候補者は、試験の準備に利用可能なさまざまなリソースを活用すべきであり、試験に挑戦する前にOracle Linux 8での1年以上の経験が必要です。 Oracle Linux 8 Advanced System Administration 認定 1Z0-106 試験問題 (Q14-Q19):質問 # 14
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. All three filesystems are mounted read-only, sync.
C. All three filesystems are mounted read-write, sync.
D. /nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-write, sync.
E. /nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-only, sync.
正解：E
質問 # 15
Which two features does a user private group provide?
A. Provision of a unique group.
B. Capability to execute sudo
C. Capability to create new group users
D. Capability to prevent other users from modifying a file
E. Ability for only a group's users to read files in a new directory
正解：A、D
質問 # 16
Examine this udev device naming rule which gets processed successfully:
makefile
KERNEL=="hdb", DRIVER=="ide-disk", SYMLINK+="sparedisk"
Which two statements are true?
A. The matching device will be named /dev/sparedisk.
B. Symbolic link /dev/sparedisk is created for a device named /dev/hdb which has an ide-disk device driver if such a device is discovered.
C. Symbolic link /dev/sparedisk is created linking to /dev/hdb and with an ide-disk device driver, thus overwriting existing symbolic links.
D. The matching device will have the kernel device name /dev/hdb.
E. Symbolic link /dev/sparedisk is created for a device named /dev/hdb or one that has an ide-disk device driver, whichever is discovered first.
正解：B、D
解説：
Option C (Correct):If a device named/dev/hdbwith theide-diskdriver is discovered, a symbolic link/dev
/sparediskwill be created, pointing to/dev/hdb.
Option D (Correct):TheKERNEL=="hdb"match specifies that the device will have the kernel device name
/dev/hdb.
Option A (Incorrect):This is incorrect because existing symbolic links are not overwritten unless explicitly defined.
Option B (Incorrect):The device itself is not renamed to/dev/sparedisk; rather, a symbolic link is created.
Option E (Incorrect):The rule specifically requires bothKERNEL=="hdb"andDRIVER=="ide-disk"to match; it is not an either/or condition.
質問 # 17
Examine this command:
# useradd -m -s /bin/bash alice
Which statement is true about the account?
A. It is assigned a home directory and a password.
B. It is assigned a shell but without a password.
C. It is not assigned a home directory.
D. It is a member of the wheel group.
正解：B
解説：
* Option B (Correct):Theuseraddcommand with-mcreates a home directory for the user, and the-s /bin
/bashoption assigns the Bash shell. However, no password is set when the user is created withuseraddunless explicitly done with thepasswdcommand afterward.
* Option A (Incorrect):There is no mention of adding the user to thewheelgroup; theuseraddcommand does not imply this.
* Option C (Incorrect):The command does not automatically set a password; it only creates the user account with the specified shell.
* Option D (Incorrect):The-moption ensures that a home directory is created.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Managing Users and Groups
質問 # 18
Which three statements are true about the journalctl command?
A. journalctl -k shows kernel logs since the last boot.
B. journalctl -p err shows only error log level.
C. journalctl -p notice..warning shows all messages from notice to warning log level since the last boot.
D. journalctl -bl -p err fails if journal persistence is not configured.
E. journalctl -p 6 shows all info log level messages and above.
正解：A、B、E
解説：
Option B: journalctl -p err shows only error log level.
* Explanation:
* The -p or --priority option in journalctl filters messages by their priority level.
* When specifying asingle priority level, journalctl shows messagesonlyat that level.
* The priority levels, as per syslog standards, are:
* 0: emerg
* 1: alert
* 2: crit
* 3: err
* 4: warning
* 5: notice
* 6: info
* 7: debug
* Therefore, journalctl -p err displays messages with priorityerr (3)only.
* Oracle Linux Reference:
* OracleLinux 8: Managing Log Files- Section onFiltering Output withjournalctl:
"Use the -p option to display messages from the journal that have a specific priority level."
* Example:
# journalctl -p err
Option D: journalctl -k shows kernel logs since the last boot.
* Explanation:
* The -k or --dmesg option filters messages from the kernel, equivalent to the output of the dmesg command.
* This option implies -b, which limits the output to messages from the current boot.
* Therefore, journalctl -k displays kernel messages since the last boot.
* Oracle Linux Reference:
* OracleLinux 8: Managing Log Files- Section onViewing Kernel Messages:
"Use the journalctl -k command to display kernel messages since the last system boot."
* Example:
# journalctl -k
Option E: journalctl -p 6 shows all info log level messages and above.
* Explanation:
* When specifying a single numeric priority, journalctl displays messages withthat priority level and higher priority levels(i.e., lower severity).
* Priority levels are ordered from 0 (highest severity) to 7 (lowest severity).
* Therefore, journalctl -p 6 shows messages with priorities:
* 0 (emerg)
* 1 (alert)
* 2 (crit)
* 3 (err)
* 4 (warning)
* 5 (notice)
* 6 (info)
* This includesinfo level messages (6)and all higher priority messages.
* Oracle Linux Reference:
* OracleLinux 8: Managing Log Files- Section onFiltering Output with journalctl:
"When you specify a single priority level, journalctl shows messages at that level and higher severity."
* Example:
# journalctl -p 6
Why Other Options Are Not Correct:
* Option A:journalctl -bl -p err fails if journal persistence is not configured.
* Explanation:
* The -b option displays messages from the current boot. This works even if journal persistence isnotconfigured because the logs from the current boot are stored in volatile memory (/run/log/journal).
* Therefore, the command doesnot failif journal persistence is not configured.
* Oracle Linux Reference:
* OracleLinux 8: Managing Log Files- Section onJournal Volatility:
"By default, the journal stores logs in volatile memory and does not persist logs across reboots unless persistent storage is configured."
* Option C:journalctl -p notice..warning shows all messages from notice to warning log level since the last boot.
* Explanation:
* The -p option allows specifying arangeof priorities. However, the correct order for the range should be from thehigher priority (lower number)to thelower priority (higher number).
* Also, the priorities should be specified in the correct sequence, and ranges are inclusive.
* Moreover, journalctl by default shows messages from all boots unless limited by the -b option.
* Therefore, without -b, it does not limit messages to "since the last boot," making the statement incorrect.
* Correct Command:
* To display messages fromwarning (4)tonotice (5), the command should be:
# journalctl -p warning..notice -b
* But even then, the priorities need to be specified correctly, and the command in Option C is incorrect.
Conclusion:
OptionsB,D, andEare correct because they accurately describe the behavior of the journalctl command in filtering and displaying log messages based on priority levels and sources.
質問 # 19
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