Exam Questions and Answers for SCA_SLES15 Study Guide Questions and Answers!
SUSE Certified Administrator in Enterprise Linux 15 (050-754) Certification Sample Questions and Practice Exam
NEW QUESTION 22
Which bash commands result in a valid arithmetic expansion? (Choose three)
- A. ((TOTAL++))
- B. TOTAL=$((5.3+2.2))
- C. TOTAL=$[8/2]
- D. TOTAL=$[8.4/2.1]
- E. TOTAL=$((5+2))
- F. TOTAL=$[2.1*4]
Answer: B,E
NEW QUESTION 23
What are the three permissions available on posix file systems? (Choose three)
- A. Sharable
- B. Write
- C. Execute
- D. User
- E. Change
- F. All
- G. Read
- H. Edit
Answer: B,C,G
Explanation:
Explanation
https://documentation.suse.com/sles/12-SP4/html/SLES-all/cha-security-acls.html
NEW QUESTION 24
After the Kernel has been loaded during the boot process, which component will handle hardware detection?
- A. devmgr
- B. initramfs
- C. udev
- D. devfsd
- E. hal
Answer: C
NEW QUESTION 25
Which statements about log file rotation are true? (Choose two)
- A. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/cron.daily/logrotate.
- B. The /etc/logrotate.conf file controls which log files will be compressed or deleted based on some regular interval or when the log file reaches a particular size.
- C. The /etc/cron.daily/logrotate file controls which log files will be compressed or deleted based on some regular interval or when the log file reaches a particular size.
- D. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/logrotate.conf.
- E. The /usr/sbin/logrotate program is used to create and configure settings in the /etc/logrotate.conf file.
Answer: A,B
NEW QUESTION 26
You want to add two new custom items to the GRUB2 boot menu. Which file should you modify to accomplish this?
- A. /boot/grub2/custom.cfg
- B. /etc/boot/grub.cfg
- C. /boot/grub2/menu.cfg
- D. /etc/grub.d/custom.cfg
- E. /etc/default/grub
Answer: A
Explanation:
Explanation
https://documentation.suse.com/sles/12-SP4/html/SLES-all/cha-grub2.html
NEW QUESTION 27
What is the command and options to remove repository number 4?
- A. zypper rr 4
- B. yumrepo -del 4
- C. libzypp --remove-repo 4
- D. yast repo-manag
- E. rpm -rr 4
Answer: E
NEW QUESTION 28
Which Network Interface type supported by SLES is used for link aggregation?
- A. Basic
- B. Bridge
- C. Custom
- D. Bond
- E. VPN
Answer: D
NEW QUESTION 29
Which file contains the ntp configuration?
- A. /srv/ntp/ntp.conf
- B. /etc/sysconfig/ntp.conf
- C. etc/ntp.cfg
- D. /etc/ntp.conf
Answer: C
NEW QUESTION 30
What command would be used to add new physical volumes to an existing volume group?
- A. pvmodify
- B. pvextend
- C. vgmodify
- D. vSadd
- E. vgextend
- F. pvadd
Answer: E
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_manager/vg_grow#:~:text=To%20add%20additional%20physical%20volumes,or%20more%20free%20physical%20volumes.
NEW QUESTION 31
Which directory is traditionally used as a catch all to mount local and/or remote file systems?
- A. /var
- B. /etc
- C. /mnt
- D. /home
- E. /tmP
Answer: B
NEW QUESTION 32
What does the term "action* mean when referring to system logging in SUSE Linux Enterprise?
- A. An action is used to filter out desired log messages for processing.
- B. An action defines where a log message ends up such as in a regular file or database table.
- C. An action is a process that the issuing facility must go through before issuing the log message.
- D. An action is used to define the severity of a log message.
Answer: B
NEW QUESTION 33
Which process ID is assigned to systemd?
- A. 0
- B. 1
- C. it is the only process with no system ID.
- D. 2
Answer: A
Explanation:
The program systemd is the process with process ID 1. It is responsible for initializing the system in the required way. systemd is started directly by the kernel and resists signal 9, which normally terminates processes. All other programs are either started directly by systemd or by one of its child processes.
https://documentation.suse.com/sles/15-GA/html/SLES-all/cha-systemd.html
NEW QUESTION 34
Which command is used to view the manual pages?
- A. help -man
- B. show
- C. doc -man
- D. man
- E. info
Answer: D
Explanation:
You can view manual pages by running the man command followed by a specific command name. If the man command is not installed on your system, install it by running zypper install man.
https://documentation.suse.com/sles/15-GA/html/SLES-all/pre-sle.html
NEW QUESTION 35
You want ensure an ext3 filesystem is checked every 50 times it is mounted. Which command would you use?
- A. dumpe2fs
- B. tune2fs
- C. fdisk -o
- D. mkfs
Answer: D
NEW QUESTION 36
Which statement is true regarding VFS?
- A. VFS is a set of ANs designed for BtrFS to provide portability.
- B. VFS is a high-performance journaling file system format used by default by YaST and parted.
- C. 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.
- D. VFS is a translation layer to allow applications written for ext2 and ReiserFS to run on ext4 file systems.
- E. VFS is a translation layer to allow applications to run on mobile platforms.
Answer: A,C
NEW QUESTION 37
Which commands could you use to determine the proper syntax for the cp command? (Choose three)
- A. info --cp help
- B. help cp
- C. mancp cp
- D. doc -cp
- E. cp--help
- F. info cp
- G. display cp
Answer: A,E
NEW QUESTION 38
What does the file /etc/hosts provide?
- A. List of routes to take to remote hosts
- B. The hostname of this system
- C. List of domains to search
- D. Local name resolution
- E. A list of DNS servers to use
Answer: D
Explanation:
https://documentation.suse.com/ko-kr/sles/15-SP1/html/SLES-all/cha-network.html
NEW QUESTION 39
Which file should be edited to make sure a file system is mounted each time a system boots?
- A. /etc/fstab
- B. /var/Ub/fstab
- C. /mnt/fstab
- D. /etc/sysconfig/storage/fstab
- E. /etc/sysconfig/fstab
Answer: E
NEW QUESTION 40
What types of VNC sessions does SUSE Linux Enterprise Server support? (Choose two)
- A. One-time Sessions
- B. Timed Sessions
- C. Persistent Sessions
- D. Automatic Sessions
- E. Server-initiated Sessions
Answer: A,C
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%20Enterprise%20Server%20supports,until%20they%20are%20explicitly%20terminated.
NEW QUESTION 41
What does the following command allow you to do? alias endear"
- A. It launches a second Login Shell and allows you to rename the clear command to just c.
- B. It allows you to rename the clear command to just c and then deletes the clear command.
- C. Nothing, since there is not a command named alias.
- D. You can type clear to run the c command.
- E. You can type c to run the clear command.
Answer: E
NEW QUESTION 42
What two commands will you use if you are going to compile and install from source code? (Choose two)
- A. make install
- B. ./configure
- C. compile
- D. assemble
- E. ./compile
Answer: A,B
NEW QUESTION 43
Assuming the default value for umask, which statements regarding permissions are true? (Choose two)
- A. The permissions on new directories would be set to 770.
- B. The permissions on new directories would be set to 666.
- C. The permissions on new files would be set to 644.
- D. The permissions on new files would be set to 444.
- E. The permissions on new directories would be set to 755.
- F. The permissions on new files would be set to 754.
Answer: A,D
NEW QUESTION 44
Which filesystem is the recommended filesystem for data volumes?
- A. XFS
- B. nfs
- C. Ext3
- D. Btrfs
- E. Ext4
Answer: D
Explanation:
Explanation
https://documentation.suse.com/de-de/sles/15-GA/html/SLES-all/cha-filesystems.html
NEW QUESTION 45
Which statement is true regarding VFS?
- A. VFS is a set of ANs designed for BtrFS to provide portability.
- B. 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.
- C. VFS is a high-performance journaling file system format used by default by YaST and parted.
- D. VFS is a translation layer to allow applications written for ext2 and ReiserFS to run on ext4 file systems.
- E. VFS is a translation layer to allow applications to run on mobile platforms.
Answer: C
NEW QUESTION 46
Which statement is true regarding the life cycle support for SUSE Linux platform products?
- A. SLE platforms have a 5 year life cycle: 3 years of general support and 2 years of extended support.
- B. Support for Service Packs is only provided with Extended Support.
- C. Service Packs are released every six to eight months.
- D. The support for SLE platforms has a 13 year life cycle: 10 years of general support and 3 years of extended support.
- E. Service Packs have an 18 month life cycle which includes 12 months of general support and six months of extended support
Answer: B
NEW QUESTION 47
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SUSE SCA_SLES15 Exam Syllabus Topics:
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