2025年最新の実際に出る無料Oracle 1z1-106試験問題集と解答 [Q11-Q35]

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2025年最新の実際に出る無料Oracle 1z1-106試験問題集と解答

1z1-106練習テストエンジンで今すぐ試そう62試験問題

質問 # 11
Examine this network configuration:
NAME="ens4"
DEVICE="ens4"
ONBOOT=no
NETBOOT=yes
IPV6INIT=yes
BOOTPROTO=none
IPADDR=192.168.2.5
PREFIX=24
GATEWAY=192.168.2.1
TYPE=Ethernet
Which two statements are true after executing nmcli con mod ens4 ipv4.method auto?

  • A. Interface ens4 is assigned an IP address of 192.168.2.5.
  • B. Interface ens4 automatically starts on boot.
  • C. ONBOOT value is set to dhcp.
  • D. BOOTPROTO value is set to dhcp.
  • E. IPADDR value is considered null.
  • F. ONBOOT value is set to yes.

正解:D、F


質問 # 12
Which two directories store PAM authentication modules?

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

正解:C、E

解説:
* Option A (Correct):/lib64/securityis a common directory where PAM (Pluggable Authentication Module) libraries are stored for 64-bit systems.
* Option D (Correct):/lib/securityis another directory where PAM libraries are stored, usually on 32-bit systems or as a fallback for 64-bit systems.
* Option B (Incorrect):/etc/pam.dcontains configuration files for PAM modules but does not store the modules themselves.
* Option C (Incorrect):/usr/libis a general directory for libraries but does not specifically store PAM modules.
* Option E (Incorrect):/var/libis typically used for variable state information and is not relevant for storing PAM modules.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Managing Authentication


質問 # 13
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 rules can log administrator attempts to access user home directories.
  • C. Auditing includes security policies, each of which includes security rules, or checks, which are checked when you run a security scan.
  • D. Auditing modes include permissive, enforcing, and disabled.
  • E. Auditing can scan for Common Vulnerabilities and Exposures (CVE) and automatically apply needed patches to a system.

正解:A、B

解説:
The Linux Auditing System can be configured to log various activities, including administrator attempts to access user home directories. Audit rules can be defined to monitor access to specific files or directories, and any access attempts will be logged in the audit logs.
Explanation of Answer B:Auditing system calls can generate a large amount of log data, which may affect system performance. The more detailed the audit rules, the greater the potential performance impact, as every event that matches a rule must be recorded.


質問 # 14
Which two types of reports does iostat generate?

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

正解:A、E


質問 # 15
Examine this command:
# useradd -m -s /bin/bash alice
Which statement is true about the account?

  • A. It is a member of the wheel group.
  • B. It is assigned a shell but without a password.
  • C. It is assigned a home directory and a password.
  • D. It is not assigned a home directory.

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 # 16
You must prevent Ksplice from reapplying updates at the next system reboot. Which two commands or parameters can do this?

  • A. nouptrack
  • B. uptrack-remove -all
  • C. touch /etc/uptrack/disable
  • D. uptrack-upgrade -n
  • E. uptrack=0

正解:B、E


質問 # 17
Which two statements are true about removing a physical volume (PV) from a volume group (VG)?

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

正解:A、D

解説:
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.


質問 # 18
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. The system.slice contains all system services and user sessions.
  • C. A slice unit is a concept for hierarchically managing resources in a group of processes.
  • D. Processes in a slice unit are named at the same level as scopes and services.

正解:C


質問 # 19
Examine this command, which executes successfully:
# nmcli con add con-name eth2 type ethernet ifname eth2 \ Ipv6.address 2804:14c:110:ab2f:c3lb:1212:7917:
708a/64 \ Ipv6.gateway 2804:14c:110:ab2f::1003 \ Ipv4.address 192.168.0.5/24 ipv4.gateway 192.168.0.254 The eth2 connection does not exist. Which two statements are true?

  • A. Ethernet connection eth2 is created.
  • B. It configures an automatic IPV6 address.
  • C. The configuration is saved in /etc/sysconfig/network.
  • D. A static IP address is assigned to the eth2 connection

正解:A、D

解説:
Explanation of Answer A:Thenmcli con addcommand is used to create a new network connection namedeth2. The parameters specify the connection type (ethernet), the interface name (ifname eth2), and the connection name (con-name eth2), creating a new configuration for theeth2interface.
Explanation of Answer C:Theipv4.addressparameter assigns a static IPv4 address (192.168.0.5/24) to theeth2connection. Therefore, the connection will have this static IP once created.


質問 # 20
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. The custom Cockpit service configuration file is updated in /usr/lib/firewalld/services.
  • B. Runtime firewall configuration is not lost when the firewalld process is restarted or the system is rebooted.
  • C. Egress traffic is allowed for the Cockpit service only when using port 1313.
  • D. Port 1313 blocks all traffic for the public zone except for ingress traffic to the Cockpit service.
  • E. The Cockpit service is added only to the public zone.

正解:B、E

解説:
Explanation of Answer A:The commandfirewall-cmd --zone=public --add-service=cockpit --permanentadds the Cockpit service to the public zone permanently. This means that the service is explicitly allowed only within the public zone, not in any other zones.
Explanation of Answer C:Using the--permanentflag withfirewall-cmdcommands ensures that the changes are stored in the firewalld configuration and are persistent across reboots. Therefore, when thefirewalldservice restarts or the system reboots, the runtime configuration will not be lost, and the changes will remain in effect.


質問 # 21
Which mdadm command creates a RAID-1 device consisting of two block volumes and one spare device?

  • A. mdadm -create /dev/md0 -level=0 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3
  • B. mdadm -create /dev/md0 -level=1 -raid-devices=2 /dev/xvdd1 /dev/xvdd2
  • C. mdadm -create /dev/md0 -level=5 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3
  • D. mdadm -create /dev/md0 -level=1 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3

正解:D


質問 # 22
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/rules.d/audit.rules.
  • C. An audit is defined that creates a log entry every time a write occurs to /etc/passwd.
  • D. A write occurs to /etc/audit/audit.rules.
  • E. An audit rule is defined that creates a log entry every time /etc/passwd is read.

正解:A、C


質問 # 23
The ss command was invoked with options to:
* limit output to all listening and non-listening TCP ports
* display ports instead of the protocols that typically use those ports
* display all available internal TCP information
* display only connections whose source or destination port is 80
Which two results are produced by the command?

  • A. tcp CLOSE-WAIT 32 0 server.example.com:44732 12.21.0.15:https
  • B. ESTAB 0 0 10.12.18.92:50384 169.254.169.254:80 cubic wscale:9,7 rto:201 rtt: 0.226/0.113 ato:40 mss:8948 pmtu:9000 rcvmss:1728 advmss:8948 cwnd:10 bytes_sent:142 bytes_acked:143 bytes_received:1728 segs_out:4 segs_in:3 data_segs_out:1 data_segs_in:1 send 3167433628bps lastsnd:
    11351 lastrcv: 11351 lastack:11351 pacing_rate 6334867256bps delivery_rate 504112672bps delivered:
    2 app_limited rcv_space:62720 rcv_ssthresh:56588 minrtt:0.142
  • C. UNCONN 0 0 [::1]:323 [::]:*
  • D. LISTEN 0 511 *:80 *:* cubic cwnd:10
  • E. icmp6 UNCONN 0 0 *:58 *:*

正解:B、D

解説:
Explanation of Answer C:Thesscommand can be used to display all available internal TCP information, including established connections with detailed TCP metrics, which matches the output in Answer C.
Explanation of Answer D:Thesscommand can display listening ports (TCP in this case) with details like congestion control algorithms (cubic), which aligns with Answer D. The output indicates a listening TCP socket on port 80.


質問 # 24
Examine this command and output:
# mdadm --detail /dev/md0
/dev/md0:
Version: 1.2
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. An extra device was added to this RAID set to increase its size.
  • B. The RAID set read and write performance is currently sub-optimal.
  • C. Only write performance is currently sub-optimal on this RAID set.
  • 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.

正解:B、E

解説:
* Option B (Correct):The output shows that the RAID array is in a "degraded, recovering" state, which means one of the devices failed, and the RAID is currently rebuilding with a spare device. When a RAID-5 array is in a degraded state, its read and write performance is reduced because it cannot utilize all disks in parallel, and data is being rebuilt.
* Option C (Correct):The output indicates that/dev/sdf1is marked as "spare rebuilding." This implies that a new spare device has been added to the RAID array to replace a previously failed device, and it is in the process of rebuilding to restore redundancy.
* Option A (Incorrect):The state of the RAID array is "degraded," which indicates that a RAID device is still being rebuilt. The failed device has not yet returned to normal operating status.
* Option D (Incorrect):No extra device was added to increase the RAID set's size. Instead, a spare device was added to replace a failed one.
* Option E (Incorrect):Both read and write performance are sub-optimal in a degraded RAID-5 state because data is being rebuilt using the remaining active devices.
Oracle Linux Reference:For more information, refer to:
* OracleLinux 8: Managing Storage Devices
* man mdadmfor details on managing RAID arrays.


質問 # 25
Which two are true about using Ksplice?

  • A. Ksplice can be used without a network connection
  • B. Ksplice has two clients; each can run in three different modes.
  • C. The Ksplice client is freely available to all customers.
  • D. It can patch the kernel without shutting down the system.
  • E. Yum cannot upgrade a kernel patched by Ksplice

正解:A、D

解説:
Option A: Ksplice can be used without a network connection
* Explanation:
* Ksplice provides anOffline Clientspecifically designed for systems that do not have a direct connection to the internet. This client allows administrators to download Ksplice updates on a system with internet access and then transfer them to the offline system for installation.
* This means Ksplice can be effectively used in environments with strict security policies where network connectivity is restricted or not available.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Section on "Using the Ksplice Offline Client":
"The Ksplice Offline client enables you to apply Ksplice updates to systems that do not have direct access to the Internet or to the Oracle Uptrack server." Option B: It can patch the kernel without shutting down the system.
* Explanation:
* The primary purpose of Ksplice is to allow administrators to apply critical security patches to the running kernelwithout requiring a rebootor shutting down the system. This ensures high availability and minimizes downtime, which is crucial for production environments.
* Ksplice works by performingjust-in-time (JIT) compilationof kernel patches and applying them directly to the running kernel in memory.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Introduction:
"Ksplice enables you to keep your systems up to date and secure by applying important kernel security updates without rebooting." Why Other Options Are Not Correct:
* Option C:Yum cannot upgrade a kernel patched by Ksplice
* Explanation:
* This statement is false. While Ksplice patches the running kernel in memory, yum can still upgrade the kernel packages on disk. After a yum kernel update, a reboot would be necessary to run the new kernel version, but yum operations are not hindered by Ksplice patches.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Compatibility with Package Managers:
"Ksplice works seamlessly with package management tools like yum and dnf. You can continue to use these tools to manage your kernel packages."
* Option D:Ksplice has two clients; each can run in three different modes.
* Explanation:
* While Ksplice does have two clients (the online and offline clients), the statement about each running in three different modes is inaccurate or misleading. The clients do not operate in "three different modes" per se.
* Oracle Linux Reference:
* No official documentation supports the claim of "three different modes" for each client.
* Option E:The Ksplice client is freely available to all customers.
* Explanation:
* Ksplice is a feature available to customers with an active Oracle Linux Premier Support subscription. It is not freely available to all users.
* Oracle Linux Reference:
* OracleLinux 8: Ksplice User's Guide- Access Requirements:
"To use Ksplice, your system must be covered by an Oracle Linux Premier Support subscription." Conclusion:
Options A and B are correct because Ksplice can be used without a network connection via the offline client, and it allows patching the kernel without shutting down the system, ensuring minimal downtime.


質問 # 26
Examine this command:
# nft add rule inet filter input tcp dport 80 drop
Which two statements are true upon execution?

  • A. The rule is applied to both IPv4 and IPv6 packets.
  • B. All traffic inbound on port 80 is dropped.
  • C. The rule updates the configuration on disk.
  • D. TCP packets inbound on port 80 are dropped.
  • E. The rule applies to the input table.
  • F. TCP packets outbound on port 80 are dropped.

正解:A、D

解説:
* Option A (Correct):The rule is applied to both IPv4 and IPv6 packets. Theinettable is used for filtering both IPv4 and IPv6 traffic, and since the rule is added to theinettable, it affects both IP versions.
* Option E (Correct):The rule drops TCP packets inbound on port 80. The rule specifies theinputchain in thefiltertable, and it drops (drop) all TCP traffic (tcp) destined for port 80 (dport 80), which means any incoming TCP traffic on port 80 will be dropped.
* Option B (Incorrect):The command does not automatically update the configuration on disk; the rule is applied immediately in memory but does not persist across reboots unless explicitly saved.
* Option C (Incorrect):The rule specifies TCP packets only, not all traffic. Therefore, it does not drop traffic for protocols other than TCP.
* Option D (Incorrect):Although this statement is correct, it is less specific than Option A, which is more accurate because it mentions both IP versions.
* Option F (Incorrect):The rule applies to inbound traffic, not outbound, so it does not drop outbound traffic.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Managing Firewall Rules with nftables


質問 # 27
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. The matching device will have the kernel device name /dev/hdb.
  • C. 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.
  • D. 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.
  • E. Symbolic link /dev/sparedisk is created linking to /dev/hdb and with an ide-disk device driver, thus overwriting existing symbolic links.

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 # 28
Which three statements are true about the journalctl command?

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

正解:B、D、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 # 29
Which three are features of the btrfs file system?

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

正解:A、F、G

解説:
* 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.


質問 # 30
Which command produces human-readable timestamps in kernel ring buffer messages?

  • A. dmesg -W
  • B. dmesg -x
  • C. dmesg -T
  • D. dmesg -t

正解:C

解説:
* Option C (Correct):Thedmesg -Tcommand converts the timestamps in the kernel ring buffer messages to a human-readable format. The defaultdmesgoutput shows the timestamps in a raw format (seconds since the kernel started), while the-Toption translates these timestamps into a human-readable date and time.
* Option A (Incorrect):The-toption is used to remove the timestamps entirely from the output.
* Option B (Incorrect):The-xoption provides extended information about the message (e.g., facility, level).
* Option D (Incorrect):The-Woption waits for new messages and does not convert timestamps to a human-readable format.
Oracle Linux Reference:Refer to:
* man dmesgfor more details ondmesgoptions.


質問 # 31
Examine this command, which executes successfully:
# nmcli con add con-name eth2 type ethernet ifname eth2 \ Ipv6.address 2804:14c:110:ab2f:c3lb:1212:7917:708a/64 \ Ipv6.gateway 2804:14c:110:ab2f::1003 \ Ipv4.address 192.168.0.5/24 ipv4.gateway 192.168.0.254 The eth2 connection does not exist. Which two statements are true?

  • A. Ethernet connection eth2 is created.
  • B. It configures an automatic IPV6 address.
  • C. The configuration is saved in /etc/sysconfig/network.
  • D. A static IP address is assigned to the eth2 connection

正解:A、D


質問 # 32
Which two actions are performed by the logrotate utility?

  • A. hashing log files
  • B. rotating log files as specified
  • C. compressing log files
  • D. encrypted log files
  • E. duplicating log files

正解:B、C


質問 # 33
Which two statements are true about fdisk?

  • A. It cannot partition disks larger than 2 TB by using a GPT partition table.
  • B. fdisk -l displays disk size information for all disks.
  • C. It can divide logical devices into one or more block disks called partitions.
  • D. It can partition disks larger than 2 TB by using a GPT partition table.
  • E. It understands GPT, MBR, and HFS partition tables.

正解:A、B

解説:
* Option B (Correct):Thefdisk -lcommand lists information about all available disks, including their sizes, partition tables, and partition details.
* Option E (Correct):fdiskcannot handle disks larger than 2 TB because it is limited to the Master Boot Record (MBR) partitioning scheme. To manage larger disks (over 2 TB), the GUID Partition Table (GPT) is required, andfdiskdoes not fully support GPT.
* Option A (Incorrect):fdiskdoes not support HFS (Hierarchical File System, used by macOS). It primarily supports MBR and has limited support for GPT.
* Option C (Incorrect):fdiskdoes not support partitioning disks larger than 2 TB with GPT; gdiskorpartedshould be used instead.
* Option D (Incorrect):fdiskdoes not divide logical devices into block disks called partitions; it operates on physical storage devices to create partitions.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Managing Disks and Partitions
* man fdiskfor more details on the usage and limitations of thefdiskutility.


質問 # 34
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 -I -k mkdir
  • B. ausearch -sc 83 -k mkdir
  • C. ausearch -a 83 -k mkdir
  • D. ausearch -r -k mkdir
  • E. ausearch --format text -k mkdir

正解:B


質問 # 35
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