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Oracle 1Z0-106 is one of the most popular Oracle Certified Professional exams. It is a very significant certification, and it helps you in getting a good job. You can choose any job field according to your skills and experience. If you want to become an Oracle Certified Professional, then you have to pass this exam first. Oracle 1Z0-106 exam dumps are the best choice.
It is not easy to pass this exam, but if you have the right preparation materials, then it will not be difficult for you to get good marks in this test. Here we have introduced some best practice material that will help you in preparing for Oracle 1Z0-106 exam.
Oracle 1Z0-106 certification exam is designed for professionals who are interested in becoming Oracle Linux 8 Advanced System Administrators. Oracle Linux 8 Advanced System Administration certification measures the skills and knowledge required to manage advanced tasks and troubleshoot issues in a Linux environment. 1z1-106 exam covers topics such as system performance tuning, network configuration, kernel management, storage management, and security administration. Passing 1z1-106 exam demonstrates that an individual has the expertise to effectively manage an Oracle Linux 8 environment and can provide advanced support to their organization.
NEW QUESTION # 36
Which two types of reports does iostat generate?
- A. Memory Utilization Report
- B. Storage Utilization Report
- C. Device Utilization Report
- D. Swap Utilization Report
- E. CPU Utilization Report
Answer: C,E
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 # 37
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. IPADDR value is considered null.
- B. ONBOOT value is set to dhcp.
- C. BOOTPROTO value is set to dhcp.
- D. Interface ens4 automatically starts on boot.
- E. ONBOOT value is set to yes.
- F. Interface ens4 is assigned an IP address of 192.168.2.5.
Answer: C,E
NEW QUESTION # 38
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 can scan for Common Vulnerabilities and Exposures (CVE) and automatically apply needed patches to a system.
- E. Auditing modes include permissive, enforcing, and disabled.
Answer: A,B
NEW QUESTION # 39
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 home directory and a password.
- C. It is a member of the wheel group.
- D. It is assigned a shell but without a password.
Answer: D
NEW QUESTION # 40
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, sync.
- B. /nfs1 and /nfs3 are mounted read-only, async while /nfs2 is mounted read-write, sync.
- C. All three filesystems are mounted read-only, async.
- D. All three filesystems are mounted read-write, 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 # 41
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 understands GPT, MBR, and HFS partition tables.
- D. It can partition disks larger than 2 TB by using a GPT partition table.
- E. It can divide logical devices into one or more block disks called partitions.
Answer: B,D
NEW QUESTION # 42
Which two statements are true about the Oracle Linux 8 boot process?
- A. The bootloader loads the initramfs file into memory and extracts the vmlinuz file into a temporary file system (tmpfs).
- B. The bootloader loads the initramfs file into memory and extracts the vmlinuz file into the /boot file system.
- C. Both the vmlinuz file and the initramfs file are located in the /boot directory.
- D. The kernel loads driver modules from vmlinuz that are required to access the root file system.
- E. The kernel loads driver modules from initramfs that are required to access the root file system.
Answer: C,E
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 # 43
Which mdadm command creates a RAID-1 device consisting of two block volumes and one spare device?
- A. mdadm -create /dev/md0 -level=1 -raid-devices=2 /dev/xvdd1 /dev/xvdd2
- B. mdadm -create /dev/md0 -level=0 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev
/xvdd3 - 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=5 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare-devices=1 /dev
/xvdd3
Answer: C
Explanation:
The correct command to create a RAID-1 device (mirroring) consisting of two block volumes with one spare device is optionC:mdadm -create /dev/md0 -level=1 -raid-devices=2 /dev/xvdd1 /dev/xvdd2 -spare- devices=1 /dev/xvdd3.
* RAID Level 1:RAID-1, also known as mirroring, involves creating an exact copy (or mirror) of a set of data on two or more disks. This ensures data redundancy; if one disk fails, the other can still provide the data.
* mdadm Command Structure:Themdadmcommand is used to manage and monitor RAID devices on Linux. To create a new RAID array, the--createoption is used, followed by several parameters:
* /dev/md0: The name of the RAID device to be created.
* --level=1: Specifies RAID level 1 (mirroring).
* --raid-devices=2: Indicates the number of active devices (two in this case) to be used in the RAID array.
* /dev/xvdd1 /dev/xvdd2: The two block devices that will form the RAID-1 array.
* --spare-devices=1 /dev/xvdd3: Specifies one spare device (/dev/xvdd3). A spare device is used to automatically replace a failed device in the RAID array.
* Option Analysis:
* A.Incorrect because it specifies RAID level 5 (--level=5), which requires at least three devices and does not match the requirement for RAID-1.
* B.Incorrect because it does not include the--spare-devices=1option, meaning there is no spare device included in this configuration.
* C.Correct as it specifies RAID-1 (--level=1), two active devices (--raid-devices=2), and one spare device (--spare-devices=1).
* D.Incorrect because it specifies RAID level 0 (--level=0), which is a striped set (no redundancy), not a mirrored set (RAID-1).
Oracle Linux Reference:For more detailed information aboutmdadmand RAID configurations in Oracle Linux
8, refer to the following Oracle Linux documentation:
* OracleLinux 8 Managing Storage Devices - RAID Configuration
* OracleLinux 8 mdadm Manual
These references provide comprehensive details on RAID levels,mdadmcommand syntax, and options for creating and managing RAID arrays in Oracle Linux.
NEW QUESTION # 44
Examine this command and output:
# cat deployment.yaml
apiVersion: apps/v1
kind: Deployment
metadata:
name: nginx-deployment
spec:
selector:
matchLabels:
app: nginx
replicas: 2
template:
metadata:
labels:
app: nginx
spec:
containers:
- name: nginx
image: nginx:1.14.2
ports:
- containerPort: 80
Now examine this command which executes successfully:
$ kubectl create -f deployment.yaml
Which two statements are true?
- A. The command specifies port 80 as the port that the container exposes.
- B. The command creates and guarantees the availability of a specified number of identical pods.
- C. The command creates a deployment named nginx.
- D. The command creates a pod named nginx.
- E. The command specifies nginx image version 1.14.2 and will fail if the image version is not available.
Answer: A,B
Explanation:
* Option A (Correct):The command creates a Kubernetes Deployment, which ensures the specified number of replicas (pods) are running at all times. The deployment will manage the creation and maintenance of these pods to ensure availability.
* Option D (Correct):The deployment configuration specifies that the container running inside the pod exposes port 80 (containerPort: 80).
* Option B (Incorrect):The deployment is namednginx-deployment, notnginx.
* Option C (Incorrect):The command creates a Deployment object that manages multiple pods; it does not directly create a single pod namednginx.
* Option E (Incorrect):The command specifies the nginx image version1.14.2, but it will not fail immediately if the image version is not available. Kubernetes will attempt to pull the image, and the failure will happen during that step if the image does not exist.
Oracle Linux Reference:Refer to:
* Kubernetes Documentation on Deployments
* kubectl createcommand usage details.
NEW QUESTION # 45
Examine this command:
$ podman run -name=oracleshell -it oraclelinux:8 -slim
Which two statements are true upon execution?
- A. The container is removed by typing exit at the bash shell prompt.
- B. The container is created and started in a single command.
- C. The container named oracleshell must already exist; otherwise, the command fails.
- D. The container creates and starts an interactive shell.
- E. The command fails if the oraclelinux:8 -slim image does not exist on the local machine.
Answer: B,D
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 # 46
Which two methods of changing kernel parameters can you use to modify values for the running system?
- A. Using the echo command to write values to specific files in the /proc/sys directory.
- B. Issuing the sysctl -w command to write values to specific files in the /proc/sys directory.
- C. Adding to or modifying parameters and values in the /etc/sysctl.conf file followed by issuing the sysctl - p command.
- D. Issuing the sysctl -w command to write values to specific files in the /sys directory.
- E. Using the echo command to write values to specific files in the /sys directory.
Answer: A,B
Explanation:
Explanation of Answer A:Thesysctl -wcommand is used to modify kernel parameters at runtime. It allows you to set the value of a specific parameter in the/proc/sysdirectory. For example,sysctl -w net.ipv4.
ip_forward=1will enable IP forwarding by writing the value directly to the corresponding file in/proc/sys.
Explanation of Answer B:Using theechocommand to write values directly to specific files in the/proc
/sysdirectory is another method to change kernel parameters dynamically for the running system. For instance, echo 1 > /proc/sys/net/ipv4/ip_forwardachieves the same effect as thesysctl -wcommand.
NEW QUESTION # 47
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.
Answer: C,D
NEW QUESTION # 48
As root you configured a file system using AutoFS with default settings. In the first session, you changed to a directory under AutoFS control. In a second session, you changed to /etc. Now the idle time for the session expires. Which two statements are true about the status of the file system mounted in the first session?
- A. It remains mounted until you switch to a directory outside the current mount point.
- B. It was unmounted when the second session began.
- C. It remains mounted as long as the system is running.
- D. It remains mounted until you log out from the first session.
- E. It was unmounted from the first session when the timer expired.
Answer: A,D
Explanation:
Understanding AutoFS Behavior:
* AutoFSautomatically mounts file systems when accessed and unmounts them after a period of inactivity (default is 5 minutes).
* A file system remains mounted as long as it isactive, meaning processes are accessing files or directories within it.
Scenario Analysis:
* First Session:
* Changed to a directory under AutoFS control (mount point is active).
* Second Session:
* Changed to /etc (does not affect the first session).
* Idle Time Expires:
* AutoFS checks for idle mounts to unmount.
Implications:
* The mount point remainsactivebecause the shell in the first session is in the AutoFS directory.
* AutoFS willnotunmount the file system while it is active.
Oracle Linux Reference:
* OracleLinux 8: Configuring File Systems-Using the Automounter:
"A file system remains mounted as long as there are open files or directories within it." Correct Options:
* Option B:The file system remains mounted until you log out from the first session.
* Option E:The file system remains mounted until you switch to a directory outside the current mount point.
Why Other Options Are Incorrect:
* Option A:Incorrect because the mount does not persist indefinitely; it's unmounted when no longer active.
* Option C:Incorrect because the mount is still active; the timer does not cause unmounting in this case.
* Option D:Incorrect because the second session does not influence the mount status in the first session.
NEW QUESTION # 49
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 polls a maximum of 3 sources from pool.ntp.org after it is enabled.
- B. chronyd takes pool.ntp.org offline automatically when sending a request to the pool fails.
- C. chronyd does not poll pool.ntp.org until it is enabled to do so by chronyc.
- D. chronyd does not poll pool.ntp.org until it is enabled to do so by chronyd.
Answer: C
NEW QUESTION # 50
Which two statements are true about the configuration and use of cron or anacron?
- A. anacron jobs may run only once a day.
- B. The crond daemon looks for jobs only in /etc/crontab.
- C. cron jobs may run only once a minute.
- D. All crontabs are held in the /etc/cron.d directory.
- E. anacron jobs are used to run cron jobs if the system was powered off when they were scheduled to run.
Answer: A,E
Explanation:
Option D: anacron jobs may run only once a day.
* Explanation:
* Anacronis designed for systems that are not running continuously (e.g., desktops or laptops that may be powered off at night). It ensures that scheduled tasks are executed at the specified intervals.
* Anacron jobs are defined with periods indays. The minimal unit of time for scheduling in Anacron isone day. Therefore, Anacron can schedule jobs to runonce a dayat most.
* It is not intended for tasks that need to run multiple times per day.
* Oracle Linux Reference:
* OracleLinux 8: Scheduling Tasks- Section onAnacron Configuration Files:
"Anacron is used to run commands periodically with a frequency specified in days." Option E: anacron jobs are used to run cron jobs if the system was powered off when they were scheduled to run.
* Explanation:
* Anacron complements Cron by ensuring thatscheduled jobs are not missedif the system is powered off or in standby mode at the time they were supposed to run.
* When the system boots up, Anacron checks for any scheduled jobs that did not run and executes them accordingly.
* This is particularly useful for laptops or desktops that are not always on.
* Oracle Linux Reference:
* OracleLinux 8: Scheduling Tasks- Section onUnderstanding Anacron:
"Anacron is designed to run commands periodically with specified frequency, but unlike cron, it does not assume that the system is running continuously." Why Other Options Are Not Correct:
* Option A:cron jobs may run only once a minute.
* Explanation:
* Cron allows scheduling tasks with a minimum granularity ofone minute. However, this means that tasks can be scheduled to runevery minute, not limited to only once a minute.
* Multiple cron jobs can be scheduled to run at the same minute.
* Therefore, the statement is misleading; cron jobs can runas frequently as every minute, but notonly once a minute.
* Option B:All crontabs are held in the /etc/cron.d directory.
* Explanation:
* The /etc/cron.d directory is used for system-wide cron jobs provided by packages or administrators.
* User-specific cron jobs are stored in /var/spool/cron/ or managed via the crontab command and not placed in /etc/cron.d.
* Additionally, the system crontab file is /etc/crontab, and there are also directories like /etc
/cron.hourly, /etc/cron.daily, etc.
* Option C:The crond daemon looks for jobs only in /etc/crontab.
* Explanation:
* The crond daemon checks multiple locations for scheduled jobs:
* User crontabs managed via the crontab -e command (stored in /var/spool/cron/).
* System-wide crontab file (/etc/crontab).
* The /etc/cron.d/ directory.
* The /etc/cron.hourly/, /etc/cron.daily/, /etc/cron.weekly/, and /etc/cron.monthly/ directories.
* Therefore, crond does not look for jobsonlyin /etc/crontab.
Conclusion:
OptionsDandEare correct because they accurately describe the characteristics and purposes of Anacron in the context of scheduling tasks on an Oracle Linux system.
NEW QUESTION # 51
Which two types of reports does iostat generate?
- A. Memory Utilization Report
- B. Storage Utilization Report
- C. Device Utilization Report
- D. Swap Utilization Report
- E. CPU Utilization Report
Answer: C,E
NEW QUESTION # 52
......
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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