SUSE SCA_SLES15 Exam Practice Test Instant Access

Question 1

Which commands and options will display the routing table? (Choose two)

Acat /etc/sysconfig/routes

Bip route show

Cip r s

Dshowroute -a

Eipconfig -rd

Answer : B, C

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. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-network-routing.html

Question 2

If you have a service named tftp, which command and options would enable tftp to start automatically when the server starts?

Asystemctl start tftp

Bsystemctl enable tftp

Cchkconfig add tftp

Dsystemd start tftp

Esystemctl enable-start tftp

Answer : B

If you have a service named tftp, the command and options that would enable tftp to start automatically when the server starts are systemctl enable tftp. This command will create symbolic links in the appropriate systemd target directories to enable the tftp service unit. To start the service immediately, you can also use systemctl start tftp or systemctl enable --now tftp. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-systemd-services.html#sec-systemd-enable

Question 3

What are the three permissions available on posix file systems? (Choose three)

ARead

BSharable

CEdit

DChange

EUser

FAll

GWrite

HExecute

Answer : A, G, H

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. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-file-permissions.html#sec-file-permissions-types

Question 4

For programs to leverage PolKit they are split into two separate processes. Which statements below are true regarding these two PolKit processes? {Choose two)

AThe Policy Agent process runs in the System Context.

BThe Policy Agent process runs in the User Session.

CThe Mechanism process runs in the System Context.

DThe Mechanism process runs in the User Session.

EThe Authentication Agent runs in the System Context.

FThe D-Bus runs in the User Session.

Answer : A, C

For programs to leverage PolKit they are split into two separate processes. The statements below that are true regarding these two PolKit processes are:

The Mechanism process runs in the System Context.

The Policy Agent process runs in the User Session.

The Mechanism process is responsible for performing privileged actions on behalf of unprivileged users. It runs as root in the System Context and communicates with PolKit via D-Bus. The Policy Agent process is responsible for requesting authorization from users when they attempt to perform privileged actions. It runs as a normal user in the User Session and communicates with PolKit via D-Bus. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-polkit.html#sec-polkit-processes

Question 5

Which file contains the ntp configuration?

Aetc/ntp.cfg

B/etc/ntp.conf

C/srv/ntp/ntp.conf

D/etc/sysconfig/ntp.conf

Answer : B

The file that contains the ntp configuration is /etc/ntp.conf. This file specifies the ntp server or peer addresses, synchronization options, access restrictions, logging settings, and other parameters for the ntp daemon (ntpd) that provides time synchronization services on a Linux system. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-ntp-config.html

Question 6

Which option for zypper will list the available patches?

Azypper showpatch

Bzypper patch

Czypper Ip

Dzypper list-patch

Ezypper lu

Answer : C

The option for zypper that will list the available patches is zypper lp. This command will display a table of patches that are applicable to your system but not yet installed. It will show the patch name, category, severity, summary, and status for each patch. You can use zypper patch to install all available patches or zypper patch-info to get more details about a specific patch. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-zypper.html#sec-zypper-patches

Question 7

Which statements about using the -U option and the -F option when running the rpm command are true? (Choose two)

AThe -U option will install a package whether or not a previous version of the package is already installed.

BThe -F option will install a package whether or not a previous version of the package is already installed.

CThe -U option remove all binaries, scripts, links, and documentation files associated with the RPM in the RPM Database.

DThe -F option will verify (fix) a broken application based on the information in the RPM Database.

EThe -U option will remove all the binaries in the package from the file system and update the RPM Database.

FThe -F option will install a package only if a previous version of the package is already installed.

Answer : A, F

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. Reference: https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-sw-cl.html#sec-rpm-commands

SUSE SCA_SLES15 SUSE Certified Administrator in SUSE Linux Enterprise Server 15 Exam Practice Test