Free Sample Questions to Practice SCA_SLES15 Certification Test Engine [Mar-2024]
2024 Valid SCA_SLES15 Real Exam Questions, practice SUSE SCA
NEW QUESTION # 26
What are the three permissions available on posix file systems? (Choose three)
- A. Sharable
- B. Write
- C. User
- D. Change
- E. Read
- F. Edit
- G. All
- H. Execute
Answer: B,E,H
Explanation:
Explanation
https://documentation.suse.com/sles/12-SP4/html/SLES-all/cha-security-acls.html The three permissions available on posix file systems are read, write, and execute. The read permission allows the user to view the contents of a file or directory. The write permission allows the user to modify or delete a file or directory. The execute permission allows the user to run a file as a program or change into a directory.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-file-permissions.html#sec-file-permis
NEW QUESTION # 27
What is the command and options to remove repository number 4?
- A. yast repo-manag
- B. libzypp --remove-repo 4
- C. yumrepo -del 4
- D. rpm -rr 4
- E. zypper rr 4
Answer: E
Explanation:
Explanation
The command and options to remove repository number 4 are zypper rr 4. This command will remove the repository with the alias or number 4 from the system. It will also delete anyassociated cache data and metadata. To list the repositories on the system, you can use zypper lr or zypper repos.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-zypper.html#sec-zypper-repos
NEW QUESTION # 28
Which statements about using the -U option and the -F option when running the rpm command are true?
(Choose two)
- A. The -F option will verify (fix) a broken application based on the information in the RPM Database.
- B. The -U option will install a package whether or not a previous version of the package is already installed.
- C. The -F option will install a package whether or not a previous version of the package is already installed.
- D. The -U option will remove all the binaries in the package from the file system and update the RPM Database.
- E. The -F option will install a package only if a previous version of the package is already installed.
- F. The -U option remove all binaries, scripts, links, and documentation files associated with the RPM in the RPM Database.
Answer: B,E
Explanation:
Explanation
The -U option will install a package whether or not a previous version of the package is already installed. If a previous version exists, it will be upgraded. The -F option will install a package only if a previous version of the package is already installed. It will not install a new package.References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-sw-cl.html#sec-rpm-comma
NEW QUESTION # 29
Which UID does the root user have?
- A. 0
- B. 001
- C. 1
- D. The root user does not have an ID assigned
- E. 2
Answer: C
NEW QUESTION # 30
Select the valid device types. (Choose two)
- A. Pipe
- B. Block
- C. Redirect
- D. Character
- E. null
- F. Network
- G. udev
Answer: B,D
Explanation:
Explanation
The valid device types are character and block devices. Character devices are devices that transfer data byte by byte, such as keyboards, mice, terminals, etc. Block devices are devices that transfer data in fixed-size blocks, such as disks, CD-ROMs, etc. Pipe, null, redirect, udev, and network are not device types but rather concepts or components related to devices or device management.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-devices.html
NEW QUESTION # 31
Which directory contains the initrd file?
- A. /loader
- B. /loader/grub
- C. /startup
- D. /boot
- E. /boot/grub2
- F. /startup/grub2
Answer: E
NEW QUESTION # 32
You want ensure an ext3 filesystem is checked every 50 times it is mounted. Which command would you use?
- A. dumpe2fs
- B. fdisk -o
- C. mkfs
- D. tune2fs
Answer: C
NEW QUESTION # 33
In the scripts subdirectory under your home directory there is a file named tstparse.sh. You want to set an Extended ACL so thejsmith user has all permissions to just this file. Which command will accomplish this?
- A. setfacl -m u:jsmith:rwx -/scripts/tstparse.sh
- B. setacl -a user:jsmith:rwx -/scripts/tstparse.sh
- C. extacl -a user=jsmith:rwx -/scripts/tstparse.sh
- D. modacl user=jsmith:rwx -/scripts/tstparse.sh
Answer: B,C
NEW QUESTION # 34
What does the following command allow you to do? alias endear"
- A. Nothing, since there is not a command named alias.
- B. You can type c to run the clear command.
- C. It allows you to rename the clear command to just c and then deletes the clear command.
- D. You can type clear to run the c command.
- E. It launches a second Login Shell and allows you to rename the clear command to just c.
Answer: B
NEW QUESTION # 35
Which commands and options will display the routing table? (Choose two)
- A. ip route show
- B. showroute -a
- C. cat /etc/sysconfig/routes
- D. ipconfig -rd
- E. ip r s
Answer: A,E
Explanation:
Explanation
The ip route show or ip r s commands will display the routing table on a Linux system. The routing table contains information about how to reach different network destinations. The cat /etc/sysconfig/routes command will display the static routes configuration file, which may not reflect the current routing table. The other commands are either invalid or unrelated to routing.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-network-routing.html
NEW QUESTION # 36
Which commands and options will display the routing table? (Choose two)
- A. ip route show
- B. ip r s
- C. cat /etc/sysconfig/routes
- D. showroute -a
- E. ipconfig -rd
Answer: A,C
Explanation:
https://www.suse.com/support/kb/doc/?id=000016843
NEW QUESTION # 37
What types of VNC sessions does SUSE Linux Enterprise Server support? (Choose two)
- A. Server-initiated Sessions
- B. Automatic Sessions
- C. Timed Sessions
- D. One-time Sessions
- E. Persistent Sessions
Answer: D,E
Explanation:
Explanation
SUSE Linux Enterprise Server supports two different kinds of VNC sessions: One-time sessions that "live" as long as the VNC connection from the client is kept up, and persistent sessions that "live" until they are explicitly terminated.
5.1 One-time VNC Sessions
5.2 Persistent VNC Sessions
https://documentation.suse.com/sles/11-SP4/html/SLES-all/cha-vnc.html#:~:text=SUSE%20Linux%20Enterpris
NEW QUESTION # 38
In the scripts subdirectory under your home directory there is a file named tstparse.sh. You want to set an Extended ACL so thejsmith user has all permissions to just this file. Which command will accomplish this?
- A. setacl -a user:jsmith:rwx -/scripts/tstparse.sh
- B. extacl -a user=jsmith:rwx -/scripts/tstparse.sh
- C. setfacl -m u:jsmith:rwx -/scripts/tstparse.sh
- D. modacl user=jsmith:rwx -/scripts/tstparse.sh
Answer: C
Explanation:
Explanation
The command that you would use to set an Extended ACL so that the jsmith user has all permissions to just the tstparse.sh file in your scripts subdirectory under your home directory is setfacl -m u:jsmith:rwx
~/scripts/tstparse.sh. This command will modify (or create if it does not exist) the Extended ACL for the specified file and add an entry for the jsmith user with read, write, and execute permissions. You can use getfacl ~/scripts/tstparse.sh to view the Extended ACL for the file.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-acl.html#sec-acl-set
NEW QUESTION # 39
What starts the Linux Kernel during the boot process?
- A. BIOS or UEFI depending on the hardware architecture
- B. The udev process
- C. The Boot Loader
- D. initd
- E. systemd
Answer: A
Explanation:
Explanation
The Linux kernel is started by the BIOS or UEFI firmware during the boot process, depending on the hardware architecture. The BIOS or UEFI firmware is responsible for initializing the hardware and loading the boot loader from a boot device. The boot loader then loads the kernel and passes some parameters to it.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-boot-process.html
NEW QUESTION # 40
What command would be used to add new physical volumes to an existing volume group?
- A. vgmodify
- B. pvextend
- C. pvadd
- D. pvmodify
- E. vSadd
- F. vgextend
Answer: F
Explanation:
Explanation
To add additional physical volumes to an existing volume group, use the vgextend command. The vgextend command increases a volume group's capacity by adding one or more free physical volumes.
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/4/html/cluster_logical_volume_manage The command that is used to add new physical volumes to an existing volume group is vgextend. This command will extend a volume group by adding one or more physical volumes to it. The physical volumes must be initialized with pvcreate before they can be added to a volume group.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-lvm-vgs.html#sec-lvm-vgs-add-pv
NEW QUESTION # 41
What does the (x) permission on a directory mean?
- A. The examine permission on a directory means that you can see the directory's contents.
- B. Nothing - the execute permission cannot be assigned to a directory.
- C. The exclude permission on a directory means that the directory will not be displayed by the Is command.
- D. The execute permission on a directory means you can use the cd command to change into the directory.
- E. The exclude permission on a directory means that the files in the directory are hidden.
- F. The export permission on a directory means that directory can be mounted by a remote server.
Answer: D
Explanation:
Explanation
The execute permission on a directory means you can use the cd command to change into the directory. It also means you can access the files and subdirectories inside the directory, if you have read permission on them.
The execute permission does not affect the visibility or exportability of the directory.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-file-permissions.html
NEW QUESTION # 42
Which statement is true regarding VFS?
- A. VFS is a translation layer to allow applications to run on mobile platforms.
- B. VFS is a high-performance journaling file system format used by default by YaST and parted.
- C. VFS is a translation layer to allow applications written for ext2 and ReiserFS to run on ext4 file systems.
- D. VFS is an abstraction layer in the kernel that provides the same interface to applications and the user, regardless of which file system format is used.
- E. VFS is a set of ANs designed for BtrFS to provide portability.
Answer: D
Explanation:
Explanation
The statement that is true regarding VFS is that VFS is an abstraction layer in the kernel that provides the same interface to applications and users regardless of which file system format is used. VFS stands for Virtual File System or Virtual File System Switch. It allows different types of file systems (such as ext4, xfs, nfs, etc.) to be accessed through a common set of system calls and functions. VFS also provides caching and buffering mechanisms to improveperformance and reliability. References:
https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-vfs.html
NEW QUESTION # 43
Which command gives you a real-time view of the processes running on your system by giving you a continuously updated list?
- A. ps -x
- B. procupdate
- C. showproc
- D. top
- E. Is-la
- F. pstree
Answer: D
Explanation:
Explanation
The command that gives you a real-time view of the processes running on your system by giving you a continuously updated list is top. The top command will display various information about system performance and resource usage, such as CPU load, memory usage, swap usage, etc., as well as a list of processes sorted by CPU utilization by default. You can use various keyboard commands to interact with top and change its behavior and output.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-cli-processes.html#sec-cli-processes-
NEW QUESTION # 44
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