Online 1z1-106 Test Brain Dump Question and Test Engine [Q30-Q52]

Online 1z1-106 Test Brain Dump Question and Test Engine

Real Oracle 1z1-106 Exam Dumps with Correct 62 Questions and Answers

Oracle 1Z0-106 Exam is an essential certification for Oracle Linux 8 system administrators, as it validates their skills and prepares them for a successful career in the IT industry. With the right training and practice, candidates can clear the Exam and position themselves as experts in the Oracle Linux 8 environment.

 

NEW QUESTION # 30
Which two features does a user private group provide?

• A. Provision of a unique group.
• B. Capability to prevent other users from modifying a file
• C. Ability for only a group's users to read files in a new directory
• D. Capability to execute sudo
• E. Capability to create new group users

Answer: A,B

Explanation:
* Option A (Correct):A user private group (UPG) ensures that each user has their own unique group created with the same name and ID as the user.
* Option E (Correct):The UPG model helps prevent other users from modifying files by default, as newly created files are assigned to the user's unique group and not to a shared group.
* Option B (Incorrect):UPG does not give the capability to create new group users; this is related to group management commands.
* Option C (Incorrect):UPG does not providesudocapabilities;sudoconfiguration is managed separately.
* Option D (Incorrect):UPGs do not limit reading files to group users by default; it depends on specific file permissions.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Managing Users and Groups

NEW QUESTION # 31
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 local port forward is created between client and server.
• C. An SSH connection process is forked to the background.
• D. A reverse tunnel is created back to the local host on port 80.
• E. A web server is listening on port 5011.

Answer: B,C

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 # 32
Which two statements are true about removing a physical volume (PV) from a volume group (VG)?

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

Answer: D,E

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 # 33
Which are three of the network bonding modes supported in Oracle Linux 8?

• A. Split Horizon
• B. 802.3ad
• C. Passive Backup
• D. Round-robin
• E. Poison Reverse
• F. Active Backup
• G. Multicast

Answer: B,D,F

Explanation:
* Option B (Correct):Round-robin is a network bonding mode that distributes outgoing traffic evenly across all active network interfaces.
* Option D (Correct):802.3ad (LACP - Link Aggregation Control Protocol) is a bonding mode that allows dynamic aggregation of links conforming to the IEEE 802.3ad standard.
* Option F (Correct):Active Backup is a bonding mode where one interface is active while the other is in standby, providing redundancy.
* Options A, C, E, G (Incorrect):Multicast, Split Horizon, Poison Reverse, and Passive Backup are not valid bonding modes in Oracle Linux 8.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Network Bonding Guide

NEW QUESTION # 34
Examine this command:
# useradd -m -s /bin/bash alice
Which statement is true about the account?

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

Answer: A

NEW QUESTION # 35
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 group:test:r-- my_directory
• B. setfacl --default --modify user:user2:rw- my_directory
• C. setfacl -x user:user2 my_directory
• D. setfacl --modify user:user2:r-x my_directory
• E. setfacl --modify user:user2:r-- my_directory

Answer: D

NEW QUESTION # 36
Which two statements are true about the proc and sys file systems?

• A. sys contains a list of running processes.
• B. proc contains information about memory and CPUs.
• C. sys contains a list of mounted devices.
• D. sys contains information about memory and CPUs.
• E. proc contains a list of network drivers.

Answer: B,D

Explanation:
* Option A (Correct):The/procfile system is a pseudo-file system that contains runtime system information (e.g., system memory, mounted devices, hardware configuration, etc.). Files such as/proc
/meminfoand/proc/cpuinfoprovide detailed information about memory and CPUs, respectively.
* Option C (Correct):The/sysfile system, also known as sysfs, provides a view of the kernel's device model. It contains information about system hardware, including CPUs and memory. For example,/sys
/devices/system/cpu/contains directories and files that provide detailed information about each CPU.
* Option B (Incorrect):The/sysfile system does not contain a list of running processes. Running processes are listed in the/procfile system, with each process having its own directory under/proc.
* Option D (Incorrect):/procdoes not contain a list of network drivers specifically. Network driver information is available under/proc/net, but this does not equate to a list of drivers.
* Option E (Incorrect):The/sysfile system does not contain a list of mounted devices. Mounted devices are listed in/proc/mountsor the/etc/mtabfile.
Oracle Linux Reference:For more details, see:
* OracleLinux 8: The/procand/sysFile Systems.

NEW QUESTION # 37
Which two statements are true about container technology?

• A. A container application is dependent on the host operating system and kernel version.
• B. Podman requires a running daemon to function and to enable containers to start and run without root permissions.
• C. A container application built on a bare metal system cannot run on virtual machines or cloud instances.
• D. Podman, Buildah, and Skopeo are independent tools to create, run, and manage container applications across compatible Oracle Linux systems.
• E. Containers package an application with the individual runtime stack.

Answer: D,E

NEW QUESTION # 38
Which two statements are true about control groups (cgroups) in Oracle Linux 8?

• A. A cgroup is a collection of processes bound to a set of limits or parameters defined in the cgroups filesystem.
• B. Oracle Linux 8 implements cgroups v2 by default.
• C. The cgroups filesystem allows limits to be overwritten in the lower levels of the hierarchy.
• D. Different controllers from cgroups version 1 and cgroups version 2 cannot be used at the same time.
• E. Cgroups allow processes to be organized into hierarchical groups whose resource usage cannot be limited and monitored.

Answer: A,B

NEW QUESTION # 39
Which two methods of changing kernel parameters can you use to modify values for the running system?

• A. Issuing the sysctl -w command to write values to specific files in the /proc/sys directory.
• B. Using the echo command to write values to specific files in the /proc/sys directory.
• C. Issuing the sysctl -w command to write values to specific files in the /sys directory.
• D. Using the echo command to write values to specific files in the /sys directory.
• E. Adding to or modifying parameters and values in the /etc/sysctl.conf file followed by issuing the sysctl -p command.

Answer: A,B

NEW QUESTION # 40
Examine this command:
$ podman run -name=oracleshell -it oraclelinux:8 -slim
Which two statements are true upon execution?

• A. The container is created and started in a single command.
• B. The container named oracleshell must already exist; otherwise, the command fails.
• C. The container is removed by typing exit at the bash shell prompt.
• D. The command fails if the oraclelinux:8 -slim image does not exist on the local machine.
• E. The container creates and starts an interactive shell.

Answer: A,E

Explanation:
Understanding the Command:
$ podman run --name=oracleshell -it oraclelinux:8-slim
(Note: The image is likely oraclelinux:8-slim without a space.)
* podman run:Creates and starts a new container.
* --name=oracleshell:Assigns the name oracleshell to the container.
* -it:Runs the container in interactive mode with a pseudo-TTY.
* oraclelinux:8-slim:Specifies the image to use.
Option A: The container creates and starts an interactive shell.
* Explanation:
* The -it option runs the container interactively.
* If no command is specified, it executes the default command in the image (usually /bin/bash).
* This provides an interactive shell inside the container.
* Oracle Linux Reference:
* OracleLinux 8: Managing Containers-Running Containers Interactively:
"You can run a container in interactive mode using the -i and -t options together." Option D: The container is created and started in a single command.
* Explanation:
* The podman run command handles both creation and starting of the container.
* There's no need to create the container separately.
* Oracle Linux Reference:
* OracleLinux 8: Managing Containers-Creating and Running Containers:
"The podman run command creates and starts a container in one operation." Why Other Options Are Incorrect:
Option B:The container does not need to pre-exist; podman run creates it if it doesn't exist.
Option C:If the image doesn't exist locally, podman will attempt to pull it from the registry.
* Oracle Linux Reference:
* OracleLinux 8: Managing Containers-Pulling Images:
"If you attempt to run a container with an image that does not exist locally, Podman automatically pulls the image from a registry." Option E:The container is not removed upon exit unless the --rm option is used.
* Oracle Linux Reference:
* OracleLinux 8: Managing Containers-Automatically Removing Containers:
"Use the --rm option to automatically remove the container when it exits." Conclusion:
* Correct Options:A, D
* Summary:The command creates and starts a new container named oracleshell and opens an interactive shell session inside it.

NEW QUESTION # 41
Examine this content from /etc/chrony.conf:
...
pool pool.ntp.org offline
driftfile /var/lib/chrony/drift
keyfile /etc/chrony.keys
...
Which statement is true about pool.ntp.org?

• A. chronyd takes pool.ntp.org offline automatically when sending a request to the pool fails.
• B. chronyd polls a maximum of 3 sources from pool.ntp.org after it is enabled.
• C. chronyd does not poll pool.ntp.org until it is enabled to do so by chronyd.
• D. chronyd does not poll pool.ntp.org until it is enabled to do so by chronyc.

Answer: D

NEW QUESTION # 42
Which statement is true about slice units?

• A. A slice unit is a concept for hierarchically managing resources in a group of processes.
• B. A slice unit accepts multiple names by the creation of additional symlinks to the unit file.
• C. The system.slice contains all system services and user sessions.
• D. Processes in a slice unit are named at the same level as scopes and services.

Answer: A

NEW QUESTION # 43
Which two types of reports does iostat generate?

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

Answer: B,C

Explanation:
Explanation of Answer B:iostatis a tool used to monitor system input/output device loading by observing the time devices are active concerning their average transfer rates. The "Device Utilization Report" provides statistics about device utilization and throughput rates, which is critical in identifying performance bottlenecks.
Explanation of Answer E:iostatalso generates "CPU Utilization Reports." These reports provide data about how the CPU is utilized during input/output operations, showing the percentage of CPU time used for user processes, system processes, and the time the CPU remains idle.

NEW QUESTION # 44
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. Assign a label to the .swapfile file by using the swaplabel command.
• B. Execute swapon -L swapfile /.swapfile after adding a label.
• C. Use a physical disk partition type of 82 (Linux swap).
• D. Execute swapon -all.
• E. Change defaults to user in the /etc/fstab entry.
• F. Initialize the .swapfile file by using the mkswap command.

Answer: E,F

NEW QUESTION # 45
Which two statements are true about the at and batch commands?

• A. at executes a one-time task to run at a specific time.
• B. Both at and batch read from standard input, or you can specify a file and execute the commands with the -f option.
• 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

NEW QUESTION # 46
Which three are features of the btrfs file system?

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

Answer: A,B,E

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 # 47
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 first job are delayed between 11 and 45 minutes.
• B. Scripts run by the second job are delayed between 31 and 70 minutes.
• C. Scripts run by the third job are delayed between 45 and 90 minutes.
• D. Jobs defined in this anacrontab file are randomly delayed by up to 51 minutes.
• E. Jobs defined in this anacrontab file can be executed between 15:00 and 22:00

Answer: C,E

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 # 48
Which two actions are performed by the logrotate utility?

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

Answer: C,D

NEW QUESTION # 49
Which takes precedence for ssh program configuration?

• A. /etc/ssh/ssh_config
• B. ~/.ssh/config
• C. /etc/ssh/sshd_config
• D. Command line

Answer: D

NEW QUESTION # 50
Which two statements are true about control groups (cgroups) in Oracle Linux 8?

• A. A cgroup is a collection of processes bound to a set of limits or parameters defined in the cgroups filesystem.
• B. Oracle Linux 8 implements cgroups v2 by default.
• C. The cgroups filesystem allows limits to be overwritten in the lower levels of the hierarchy.
• D. Different controllers from cgroups version 1 and cgroups version 2 cannot be used at the same time.
• E. Cgroups allow processes to be organized into hierarchical groups whose resource usage cannot be limited and monitored.

Answer: A,B

Explanation:
Explanation of Answer A:Oracle Linux 8 uses cgroups version 2 (cgroups v2) by default. cgroups v2 is a unified hierarchy system that introduces improvements over version 1, including a simplified interface and better resource management capabilities.
Explanation of Answer B:A control group (cgroup) is a mechanism for grouping processes and setting limits or parameters on their resource usage, such as CPU, memory, or I/O. These limits and parameters are configured and managed through the cgroups filesystem.

NEW QUESTION # 51
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. Execute swapon -L swapfile /.swapfile after adding a label.
• C. Use a physical disk partition type of 82 (Linux swap).
• D. Execute swapon -all.
• E. Assign a label to the .swapfile file by using the swaplabel command.
• F. Initialize the .swapfile file by using the mkswap command.

Answer: E,F

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 # 52
......

Preparing for the Oracle 1Z0-106 certification exam requires a strong foundation in Linux administration and hands-on experience with Oracle Linux 8. Candidates can prepare for the exam by taking Oracle's recommended training courses, reviewing the exam objectives and study guides, and practicing with sample exam questions. With dedication and hard work, candidates can pass the Oracle 1Z0-106 certification exam and advance their career in the field of Linux administration.

Oracle 1Z0-106 certification exam is a valuable asset for IT professionals who manage enterprise-level systems running on Oracle Linux 8 operating system. Oracle Linux 8 Advanced System Administration certification provides demonstration of knowledge and skill in advanced system administration tasks, improving IT professionals' career opportunities and increasing value for enterprises that utilize Linux OS. Oracle Linux 8 Advanced System Administration certification offers IT professionals the opportunity to distinguish themselves within the field of Linux system management and gain a competitive edge in the job market.

 

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