Pass Oracle 1Z0-106 Exam With Practice Test Questions Dumps Bundle
2024 Valid 1Z0-106 test answers & Oracle Exam PDF
Earning the Oracle 1Z0-106 certification can be a valuable asset for IT professionals who work with Oracle Linux 8. It demonstrates an advanced level of expertise in system administration and can lead to career advancement opportunities. Additionally, certified professionals may be better equipped to handle complex system administration tasks and troubleshoot issues that arise in enterprise environments.
Oracle 1Z0-106 exam comprises of multiple-choice questions and has a time limit of 180 minutes. 1Z0-106 exam is proctored and can be taken online or at an authorized testing center. To pass the exam, the candidate must score 63% or higher.
The Oracle 1Z0-106 exam is intended for experienced system administrators and IT professionals who have a strong background in Linux and familiarity with Oracle Linux administration. Candidates who pass the exam demonstrate their skills and knowledge of Oracle Linux 8 advanced system administration and can be certified as an Oracle Certified Professional, Oracle Linux 8 Advanced System Administration.
NEW QUESTION # 21
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. An SSH connection process is forked to the background.
- 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 local port forward is created between client and server.
Answer: B,E
NEW QUESTION # 22
Which two statements are true about the GRUB 2 bootloader?
- A. It can load many free operating systems directly and chain-load proprietary operating systems.
- B. Its configuration can be changed by editing /etc/default/grub2 and executing grub2-mkconfig to regenerate grub2.cfg.
- C. Its configuration file is /boot/grub2/grub2.conf on BIOS-based 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: A,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 # 23
Which two commands relabel an SELinux system after a reboot?
- A. echo "relabel=1" > /.selinux
- B. touch /.autorelabel
- C. fixfiles -F onboot
- D. Set kernel parameter autorelabel=0
- E. Set kernel parameter selinux=0
- F. fixfiles -F relabel
Answer: B,C
NEW QUESTION # 24
Examine these requirements for a host with a user oracle:
Network services must run in a confined domain.
The oracle user must be confined.
The oracle user must be able to use Mozilla Firefox.
Access to files and directories must be granted based only on SELinux contexts.
The SELinux configuration must be persistent across system restarts.
Users must be able to publish private HTML content.
Now examine these commands and output:
# sestatus
SELinux status: enabled
SELinuxfs mount: /sys/fs/selinux
SELinux root directory: /etc/selinux
Loaded policy name: targeted
Current mode: permissive
Mode from config file: permissive
Policy MLS status: enabled
Policy deny_unknown status: allowed
Memory protection checking: actual (secure)
Max Kernel policy version: 31
# setenforce enforcing
# semanage login -a -s guest_u oracle
# setsebool -P http_enable_homedirs on
Which requirements are satisfied?
- A. 1, 2, 3, 6
- B. 1, 2, 6
- C. 1, 2, 4, 5, 6
- D. 1, 2, 4, 6
- E. 1, 2, 3, 4, 5, 6
- F. 1, 2, 3, 5, 6
Answer: C
NEW QUESTION # 25
Which statement is true about slice units?
- A. A slice unit is a concept for hierarchically managing resources in a group of processes.
- B. Processes in a slice unit are named at the same level as scopes and services.
- C. The system.slice contains all system services and user sessions.
- D. A slice unit accepts multiple names by the creation of additional symlinks to the unit file.
Answer: A
Explanation:
* Option A (Correct):A slice unit in systemd is a grouping mechanism used for hierarchical management of resources (such as CPU, memory, and I/O) among a group of processes.
* Options B, C, D (Incorrect):These options do not correctly describe the role or characteristics of slice units in Oracle Linux 8.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Managing Services with systemd
NEW QUESTION # 26
Examine this udev device naming rule which gets processed successfully:
makefile
KERNEL=="hdb", DRIVER=="ide-disk", SYMLINK+="sparedisk"
Which two statements are true?
- A. 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.
- 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. The matching device will be named /dev/sparedisk.
- E. Symbolic link /dev/sparedisk is created linking to /dev/hdb and with an ide-disk device driver, thus overwriting existing symbolic links.
Answer: A,B
NEW QUESTION # 27
Examine this output:
Last metadata expiration check: 4:30:21 ago on Mon 26 Oct 2020 03:09:52 PM GMT Installed Packages Name : gzip Release : 9.el8 Architecture : x86_64 Size : 412 k Source : gzip-1.9-9.el8.src.rpm Repository : @System From repo : anaconda Summary : The GNU data compression program URL : http://www.gzip.org/ License : GPLv3+ and GFDL Description : The gzip package contains the popular GNU gzip data compression program. Gzipped files have a .gz extension.
Gzip should be installed on your system, because it is a very
commonly used data compression program.
Which command generated it?
- A. dnf search /usr/bin/gzip
- B. dnf list /usr/bin/gzip
- C. dnf provides /usr/bin/gzip
- D. dnf info /usr/bin/gzip
Answer: D
NEW QUESTION # 28
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 can scan for Common Vulnerabilities and Exposures (CVE) and automatically apply needed patches to a system.
- C. Auditing modes include permissive, enforcing, and disabled.
- D. Auditing includes security policies, each of which includes security rules, or checks, which are checked when you run a security scan.
- E. Auditing rules can log administrator attempts to access user home directories.
Answer: A,E
NEW QUESTION # 29
Examine the contents of the /etc/exports file on an NFS server:
/status *(rw,async)
/usr/shared/tools *(all-squash,anonuid=501,anongid=501,ro)
/projects/big *(ro) pteam(rw)
The NFS server exports /usr/shared/tools to NFS clients. Which statement is true?
- A. All clients can mount /usr/shared/tools read-only and NFS ignores the directives defined by the anonuid and anongid options.
- B. All clients except those with a local 501 user can mount /usr/shared/tools read-only.
- C. All clients can mount /usr/shared/tools read-only and all-squash overrides explicit mapping of the UID and GID defined by anonuid and anongid.
- D. All clients can mount /usr/shared/tools read-only and NFS explicitly maps all requests to the UID and GID of the privileged local 501 user.
- E. All clients can mount /usr/shared/tools read-only and NFS explicitly maps all requests to the UID and GID of the unprivileged local 501 user.
Answer: E
NEW QUESTION # 30
Which two statements are true about fdisk?
- A. It understands GPT, MBR, and HFS partition tables.
- B. It can divide logical devices into one or more block disks called partitions.
- C. It can partition disks larger than 2 TB by using a GPT partition table.
- D. It cannot partition disks larger than 2 TB by using a GPT partition table.
- E. fdisk -l displays disk size information for all disks.
Answer: D,E
Explanation:
* 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.
NEW QUESTION # 31
Examine these commands executed by root:
# mkdir -p /jail /jail/bin /jail/lib64
# cp $(which bash) /jail/bin/
# ldd $(which bash)
linux-vdso.so.1 (0x00007ffd574f5000)
libtinfo.so.6 => /lib64/libtinfo.so.6 (0x00007fb458c2c000)
libdl.so.2 => /lib64/libdl.so.2 (0x00007fb458a28000)
libc.so.6 => /lib64/libc.so.6 (0x00007fb458666000)
/lib64/ld-linux-x86-64.so.2 (0x00007fb459177000)
# cp /lib64/libtinfo.so.6 /jail/lib64/
# cp /lib64/libdl.so.2 /jail/lib64/
# cp /lib64/libc.so.6 /jail/lib64/
# cp /lib64/ld-linux-x86-64.so.2 /jail/lib64/
# chroot /jail
What is the output from the cd, pwd, and ls commands?
- A. bash-4.4# cd
bash: cd: command not found
bash-4.4# pwd
bash: pwd: command not found
bash-4.4# ls
bash: ls: command not found - B. bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/
bash-4.4# ls
bin lib64 - C. bash-4.4# cd
bash: cd: /root: Unable to access chrooted file or directory /root
bash-4.4# pwd
/
bash-4.4# ls
bin lib64 - D. bash-4.4# cd
bash: cd: /root: No such file or directory
bash-4.4# pwd
/root
bash-4.4# ls
bash: ls: command not found
Answer: B
NEW QUESTION # 32
Examine this output:
Last metadata expiration check: 4:30:21 ago on Mon 26 Oct 2020 03:09:52 PM GMT Installed Packages Name : gzip Version : 1.9 Release : 9.el8 Architecture : x86_64 Size : 412 k Source : gzip-1.9-9.el8.src.rpm Repository : @System From repo : anaconda Summary : The GNU data compression program URL :
http://www.gzip.org/
License : GPLv3+ and GFDL
Description : The gzip package contains the popular GNU gzip data compression program. Gzipped files have a .gz extension.
Gzip should be installed on your system, because it is a very
commonly used data compression program.
Which command generated it?
- A. dnf search /usr/bin/gzip
- B. dnf list /usr/bin/gzip
- C. dnf provides /usr/bin/gzip
- D. dnf info /usr/bin/gzip
Answer: D
Explanation:
Thednf infocommand provides detailed information about an installed package. When used with the path of a binary (such as/usr/bin/gzip), it shows the package that provides the binary along with detailed information like the version, release, architecture, size, source, repository, summary, URL, and license.
NEW QUESTION # 33
Which three statements are true about DNF modules?
- A. Modules are a group of packages that are installed together along with dependencies.
- B. Installing a module allows a user to select a specific stream.
- C. Switching an enabled module stream automatically changes installed packages.
- D. Packages exist in multiple streams, where each stream contains a different version.
- E. Profiles are used to provide alternate versions of the same module.
- F. Streams cannot declare dependencies on the streams of other modules.
- G. Streams are used to define optional configurations of modules.
Answer: A,B,D
NEW QUESTION # 34
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. Cgroups allow processes to be organized into hierarchical groups whose resource usage cannot be limited and monitored.
- C. Oracle Linux 8 implements cgroups v2 by default.
- D. The cgroups filesystem allows limits to be overwritten in the lower levels of the hierarchy.
- E. Different controllers from cgroups version 1 and cgroups version 2 cannot be used at the same time.
Answer: A,C
NEW QUESTION # 35
Which two statements are true about the proc and sys file systems?
- A. proc contains a list of network drivers.
- B. sys contains a list of running processes.
- C. sys contains a list of mounted devices.
- D. proc contains information about memory and CPUs.
- E. sys contains information about memory and CPUs.
Answer: D,E
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 # 36
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
Explanation:
* 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.
NEW QUESTION # 37
Which two features does a user private group provide?
- A. Ability for only a group's users to read files in a new directory
- B. Capability to execute sudo
- C. Capability to create new group users
- D. Capability to prevent other users from modifying a file
- E. Provision of a unique group.
Answer: D,E
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 # 38
Examine the contents of the /etc/exports file on an NFS server:
/status *(rw,async)
/usr/shared/tools *(all-squash,anonuid=501,anongid=501,ro)
/projects/big *(ro) pteam(rw)
The NFS server exports /usr/shared/tools to NFS clients. Which statement is true?
- A. All clients can mount /usr/shared/tools read-only and NFS ignores the directives defined by the anonuid and anongid options.
- B. All clients except those with a local 501 user can mount /usr/shared/tools read-only.
- C. All clients can mount /usr/shared/tools read-only and all-squash overrides explicit mapping of the UID and GID defined by anonuid and anongid.
- D. All clients can mount /usr/shared/tools read-only and NFS explicitly maps all requests to the UID and GID of the privileged local 501 user.
- E. All clients can mount /usr/shared/tools read-only and NFS explicitly maps all requests to the UID and GID of the unprivileged local 501 user.
Answer: E
Explanation:
* Option C (Correct):Theall-squashoption in the/etc/exportsfile maps all user and group requests from remote systems to the anonymous user (nfsnobody) on the NFS server. However, because theanonuidandanongidoptions are specified with501, all incoming requests are explicitly mapped to the UID and GID of the unprivileged local user with UID 501 and GID 501. Thero(read-only) option allows all clients to mount/usr/shared/toolsas read-only.
* Option A (Incorrect):This is incorrect because all clients can mount the directory, but all users' requests are squashed to UID 501. There is no exception for local 501 users.
* Option B (Incorrect):The answer is incorrect because it incorrectly states "privileged local 501 user." The UID 501 is typically an unprivileged user.
* Option D (Incorrect):Theall-squashoption does not override the UID and GID explicitly defined byanonuidandanongid. Instead, it maps all remote requests to these values.
* Option E (Incorrect):Theanonuidandanongiddirectives are not ignored; they are explicitly used to map all requests to the specified UID and GID.
Oracle Linux Reference:For more information on NFS exports and options, refer to:
* OracleLinux 8: Managing NFS and NIS
* man exportsfor details on export options.
NEW QUESTION # 39
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 -r -k mkdir
- B. ausearch -sc 83 -k mkdir
- C. ausearch -a 83 -k mkdir
- D. ausearch -I -k mkdir
- E. ausearch --format text -k mkdir
Answer: B,D
Explanation:
* Option B (Correct):The-Ior--interpretoption inausearchconverts the numerical system call numbers into their corresponding text names, making the output easier to understand.
* Option C (Correct):The-scoption specifies the system call by name (mkdir), which helps in finding audit logs related to that particular system call in text format.
* Option A, D, E (Incorrect):These options do not specifically translate the numeric system call numbers into human-readable text. OptionAfilters by the numeric ID,Dis an invalid option, andEreverses the search order but does not affect the format.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Auditing and System Logs
* man ausearchfor more details on audit search and interpretation commands.
NEW QUESTION # 40
Examine this command:
# nft add rule inet filter input tcp dport 80 drop
Which two statements are true upon execution?
- A. TCP packets inbound on port 80 are dropped.
- B. All traffic inbound on port 80 is dropped.
- C. The rule is applied to both IPv4 and IPv6 packets.
- D. TCP packets outbound on port 80 are dropped.
- E. The rule applies to the input table.
- F. The rule updates the configuration on disk.
Answer: A,C
NEW QUESTION # 41
Which two statements are true about kernel boot parameters?
- A. Boot parameters are defined as values for the GRUB_CMDLINE_LINUX directive in the /etc/default
/grub file. - B. Boot parameters defined as values for the GRUB_BOOT command-line interface are persistent and apply to all subsequent reboots.
- C. Parameters passed to the kernel from the GRUB 2 menu are persistent and apply to all subsequent reboots.
- D. Each kernel version's boot parameters are stored in independent configuration files in/boot/loader
/entries.
Answer: A,D
Explanation:
* Option A (Correct):Boot parameters are set in/etc/default/grubunder
theGRUB_CMDLINE_LINUXdirective. After modifying this file, thegrub2-mkconfigcommand must be run to apply changes.
* Option C (Correct):The/boot/loader/entries/directory contains configuration files for each kernel version, which store the boot parameters separately.
* Option B (Incorrect):Boot parameters specified at the GRUB command line are not persistent across reboots unless added to the configuration file.
* Option D (Incorrect):Parameters set from the GRUB menu are temporary and do not apply to subsequent reboots.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Configuring GRUB2
NEW QUESTION # 42
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