2024 1Z0-106 Dumps PDF - 1Z0-106 Real Exam Questions Answers
Valid 1Z0-106 Test Answers & Oracle 1Z0-106 Exam PDF
NEW QUESTION # 29
Which three statements are true about DNF modules?
- A. Profiles are used to provide alternate versions of the same module.
- B. Installing a module allows a user to select a specific stream.
- C. Modules are a group of packages that are installed together along with dependencies.
- D. Streams are used to define optional configurations of modules.
- E. Packages exist in multiple streams, where each stream contains a different version.
- F. Streams cannot declare dependencies on the streams of other modules.
- G. Switching an enabled module stream automatically changes installed packages.
Answer: B,C,E
NEW QUESTION # 30
Which two statements are true about the GRUB 2 bootloader?
- A. Its configuration can be changed by editing /etc/default/grub2 and executing grub2-mkconfig to regenerate grub2.cfg.
- B. Its configuration file is /boot/grub2/grub2.conf on BIOS-based systems.
- C. It can load many free operating systems directly and chain-load proprietary operating systems.
- D. It understands file systems and kernel executable formats, allowing the loading of operating systems without recording the on-disk physical location of the kernel.
Answer: C,D
Explanation:
GRUB 2 (GRand Unified Bootloader version 2) is a bootloader that is capable of loading a variety of free operating systems directly. It also supports chain-loading, which is the process of loading other bootloaders.
This feature allows it to boot proprietary operating systems, such as Windows, by passing control to their respective bootloaders. This flexibility makes GRUB 2 a popular choice for dual-boot or multi-boot configurations.
Explanation of Answer D:GRUB 2 has the capability to understand multiple file systems (like ext2/3/4, Btrfs, XFS, etc.) and kernel executable formats. This capability means GRUB 2 does not rely on the physical location of a kernel on the disk to load an operating system. Instead, it reads the file system to locate the kernel file. This feature adds flexibility and ease in managing boot entries and reduces the complexity involved in locating kernels manually.
NEW QUESTION # 31
Which two statements are true about container technology?
- A. A container application built on a bare metal system cannot run on virtual machines or cloud instances.
- B. Podman requires a running daemon to function and to enable containers to start and run without root permissions.
- C. Containers package an application with the individual runtime stack.
- 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 # 32
Which two statements are true about naming network interfaces?
- A. Device names incorporate the physical location and hot plug slot index number.
- B. The udev device manager uses a random number if all other schemes fail.
- C. The udev device manager generates device names based on a series of schemes.
- D. Device names cannot be manually configured.
- E. Consistent device naming is enabled by default.
Answer: C,E
Explanation:
Explanation of Answer A:Consistent network device naming is enabled by default in Oracle Linux 8. This feature ensures that network interfaces retain their names across reboots, which is important for maintaining network configuration consistency. This is managed through the Predictable Network Interface Names feature, which is part of thesystemdproject and is implemented inudev.
Explanation of Answer B:Theudevdevice manager is responsible for dynamically managing device nodes in the/devdirectory. It generates network interface names based on several naming schemes, such as the interface's physical location on the bus (likeenp0s3), MAC address, or other attributes. These schemes are used to provide consistent and predictable names for network interfaces.
NEW QUESTION # 33
Which is true about the /etc/sysconfig directory in an Oracle Linux 8 system?
- A. Files in this directory hierarchy contain information about system hardware.
- B. Files in this directory hierarchy contain information about running processes.
- C. It is used to access device and device driver information.
- D. Its contents depend on the packages installed on the system.
Answer: D
NEW QUESTION # 34
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 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 when an inactive logical volume is on the VG.
- E. It can be removed when an active VG has mounted file systems by running vgexport.
Answer: A,D
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 # 35
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/user_list and USERLIST_ENABLE is set to YES in /etc/vsftpd
/vsftpd.conf. - B. The oracle user is listed in /etc/vsftpd/ftpusers.
- C. LOCAL_ENABLE is set to NO in /etc/vsftpd/vsftpd.conf.
- D. The oracle user does not exist on host01.example.com.
- E. The oracle user is listed in /etc/vsftpd/user_list and USERLIST_ENABLE is set to NO in /etc/vsftpd
/vsftpd.conf.
Answer: A
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 # 36
Which mdadm command creates a RAID-1 device consisting of two block volumes and one spare device?
- A. mdadm -create /dev/md0 -level=5 -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=1 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3
- D. mdadm -create /dev/md0 -level=0 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev/xvdd3
Answer: C
NEW QUESTION # 37
Examine this command:
# useradd -m -s /bin/bash alice
Which statement is true about the account?
- A. It is not assigned a home directory.
- B. It is assigned a shell but without a password.
- C. It is a member of the wheel group.
- D. It is assigned a home directory and a password.
Answer: B
Explanation:
* 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
NEW QUESTION # 38
Which two default user account settings are contained in /etc/login.defs?
- A. Password aging controls.
- B. User hashed passwords.
- C. Decryption method used to decrypt passwords.
- D. Group hashed passwords.
- E. Encryption method used to encrypt passwords.
Answer: A,E
NEW QUESTION # 39
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 VLAN 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 type vlan id 800 ip address add 10.135.1.120/24 dev eth0.800 ip link set eth0.800 up
Answer: D
NEW QUESTION # 40
Which three are features of the btrfs file system?
- A. Block devices mirroring
- B. Automatic defragmentation
- C. Copy-on-write metadata
- D. Online resizing
- E. Efficient storage for small files
- F. Cluster file system
- G. General-purpose volume manager
Answer: B,C,D
Explanation:
* 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.
NEW QUESTION # 41
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. cron.* /var/log/cron
- B. #kern.* /dev/sssd/sssd.log
- C. *.info;mail.none;authpriv.none;cron.none /var/log/messages
- D. *.emerg *
- E. authpriv.* /var/log/auth
Answer: C
NEW QUESTION # 42
Examine this command:
# ssh -L 5011:127.0.0.1:80 [email protected] -f sleep 30
Which two are true upon execution?
- A. An SSH connection process is forked to the background.
- B. A local port forward is created between client and server.
- C. A reverse tunnel is created back to the local host on port 80.
- D. A web server is listening on port 5011.
- E. A socket remains open for 30 minutes unless a connection is established.
Answer: A,B
NEW QUESTION # 43
Which two components are used for creating a new rsyslog rule?
- A. security policy
- B. parser
- C. action
- D. filter
- E. module
Answer: C,D
NEW QUESTION # 44
Which command produces human-readable timestamps in kernel ring buffer messages?
- A. dmesg -W
- B. dmesg -t
- C. dmesg -T
- D. dmesg -x
Answer: C
NEW QUESTION # 45
Which two statements are true about the at and batch commands?
- A. Both at and batch read from standard input, or you can specify a file and execute the commands with the -f option.
- B. at executes a one-time task to run at a specific time.
- C. batch schedules the execution of recurring tasks.
- D. batch executes a task when the system load average is greater than 0.8.
- E. at schedules the execution of recurring tasks.
Answer: A,B
Explanation:
Explanation of Answer C:Bothatandbatchcan accept commands from standard input or from a file specified using the-foption. This allows scheduling of tasks by providing the commands directly or reading them from a file.
Explanation of Answer E:Theatcommand schedules a one-time task to run at a specified time. It is used to execute commands once at a particular time in the future.
NEW QUESTION # 46
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. The RAID set read and write performance is currently sub-optimal.
- B. A RAID device failed and has returned to normal operating status.
- C. A new RAID device was just added to replace a failed one.
- D. An extra device was added to this RAID set to increase its size.
- E. Only write performance is currently sub-optimal on this RAID set.
Answer: A,C
NEW QUESTION # 47
Which two are true about using Ksplice?
- A. The Ksplice client is freely available to all customers.
- B. Yum cannot upgrade a kernel patched by Ksplice
- C. Ksplice can be used without a network connection
- D. It can patch the kernel without shutting down the system.
- E. Ksplice has two clients; each can run in three different modes.
Answer: B,D
NEW QUESTION # 48
Examine this command:
# auditctl -w /etc/passwd -p w -k pass
Which two statements are true upon execution?
- A. A write occurs to /etc/audit/rules.d/audit.rules.
- B. An audit is defined that creates a log entry every time a write occurs to /etc/passwd.
- C. An audit rule is defined with the keyword pass.
- D. An audit rule is defined that creates a log entry every time /etc/passwd is read.
- E. A write occurs to /etc/audit/audit.rules.
Answer: B,C
NEW QUESTION # 49
Which two statements are true about the Oracle Linux 8 boot process?
- A. The kernel loads driver modules from initramfs that are required to access the root file system.
- B. Both the vmlinuz file and the initramfs file are located in the /boot directory.
- C. The bootloader loads the initramfs file into memory and extracts the vmlinuz file into the /boot file system.
- D. The kernel loads driver modules from vmlinuz that are required to access the root file system.
- E. The bootloader loads the initramfs file into memory and extracts the vmlinuz file into a temporary file system (tmpfs).
Answer: A,B
Explanation:
Explanation of Answer D:Theinitramfs(initial RAM filesystem) is a temporary filesystem loaded into memory during the boot process, containing essential drivers and utilities. The kernel usesinitramfsto load necessary drivers and modules required to access the root file system, particularly if it resides on a disk that requires special drivers.
Explanation of Answer E:Both thevmlinuz(the compressed Linux kernel image) and theinitramfsfile are located in the/bootdirectory. The bootloader, such as GRUB, reads these files from/bootto start the system.
NEW QUESTION # 50
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/user_list and USERLIST_ENABLE is set to NO in /etc/vsftpd/vsftpd.conf.
- B. The oracle user is listed in /etc/vsftpd/ftpusers.
- C. The oracle user is listed in /etc/vsftpd/user_list and USERLIST_ENABLE is set to YES in /etc/vsftpd/vsftpd.conf.
- D. LOCAL_ENABLE is set to NO in /etc/vsftpd/vsftpd.conf.
- E. The oracle user does not exist on host01.example.com.
Answer: B
NEW QUESTION # 51
......
Oracle 1Z0-106 exam is an essential certification for IT professionals who are looking to advance their career in system administration. Oracle Linux 8 Advanced System Administration certification is recognized by many companies and organizations worldwide, and it demonstrates a candidate's knowledge and skills in advanced system administration on Oracle Linux 8 systems. To prepare for the exam, candidates are advised to take a training course and study the official exam guide, along with other study materials. A passing score on the exam is required to earn the certification.
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