[Nov 10, 2021] SCA_SLES15 certification guide Q&A from Training Expert Pass4cram
SCA_SLES15 Certification Overview Latest SCA_SLES15 PDF Dumps
SUSE SCA_SLES15 Exam Syllabus Topics:
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NEW QUESTION 30
Which system initialization system is used in SLES 15?
- A. init
- B. UEFI
- C. systemd
- D. System V
- E. undev
Answer: C
Explanation:
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.
NEW QUESTION 31
How are the scripts in the /etc/grub.d directory used? (Choose two)
- A. The contents of these scripts are incorporated into the /boot/grub2/grub.cfg file.
- B. These scriptSrare taken as input by the grub2-init command.
- C. The contents of these scripts are incorporated into the /boot/grub2/custom.cfg file.
- D. These scripts are taken as input by the grub2-mkconfig command.
- E. These scripts are taken as input by the mkinitrd command.
- F. The contents of these scripts are incorporated into the /etc/grub2.d/configfiLe.
Answer: A,C
NEW QUESTION 32
Which file contains the ntp configuration?
- A. /etc/ntp.conf
- B. etc/ntp.cfg
- C. /etc/sysconfig/ntp.conf
- D. /srv/ntp/ntp.conf
Answer: B
NEW QUESTION 33
What does the file /etc/hosts provide?
- A. Local name resolution
- B. The hostname of this system
- C. A list of DNS servers to use
- D. List of domains to search
- E. List of routes to take to remote hosts
Answer: A
Explanation:
Explanation
https://documentation.suse.com/ko-kr/sles/15-SP1/html/SLES-all/cha-network.html
NEW QUESTION 34
You want to restrict access to your server via SSH to just a few specific users. What will you need to do to accomplish this?
- A. Modify the Authorized option in the /etc/ssh/sshd_config file.
- B. Modify the Authorized option in the /var/ssh/config file.
- C. Modify the Permitted option in the ~/.ssh/sshd_config file
- D. Modify the Permitted option is the Assh/sshd_configfile.
- E. Modify the AllowUsers option in the /etc/ssh/sshd_config file.
Answer: E
NEW QUESTION 35
Which commands can be used to terminate processes? (Choose two)
- A. psterm
- B. kilLall
- C. Kill
- D. terminate
- E. ps-k
Answer: A,E
NEW QUESTION 36
Which command will take a foreground process and suspend it. and then place it in the background as a stopped job?
- A. Ctrl+Z
- B. bg
- C. &&
- D. ctri+&
- E. fg--bg--stop
Answer: B
Explanation:
Explanation
http://fsl.fmrib.ox.ac.uk/fslcourse/unix_intro/job.html
NEW QUESTION 37
Which statements about log file rotation are true? (Choose two)
- A. 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.
- 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. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/logrotate.conf.
- D. The /usr/sbin/logrotate program is used to create and configure settings in the /etc/logrotate.conf file.
- E. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/cron.daily/logrotate.
Answer: B,E
NEW QUESTION 38
You're setting up a SUES 15 server which will require very large data volumes and journaling capabilities.
Which file system listed below would be the best choice for your data volumes?
- A. ReiserFS
- B. Ext3
- C. XFS
- D. Ext2
- E. VFAT
Answer: C
NEW QUESTION 39
What is the first file executed by a bash login shell?
- A. -/profile
- B. /etc/profile
- C. /etc/bash
- D. /etc/profi le.alias
- E. -/.alias
Answer: B
Explanation:
Explanation
https://www.gnu.org/software/bash/manual/html_node/Bash-Startup-Files.html When Bash is invoked as an interactive login shell, or as a non-interactive shell with the --login option, it first reads and executes commands from the file /etc/profile, if that file exists. After reading that file, it looks for ~/.bash_profile, ~/.bash_login, and ~/.profile, in that order, and reads and executes commands from the first one that exists and is readable. The --noprofile option may be used when the shell is started to inhibit this behavior.
NEW QUESTION 40
Which file contains information about secondary groups on the system?
- A. etc/sysconflg/group
- B. /etc/second.grp
- C. /var/lib/group
- D. /var/share/group
- E. /etc/group
Answer: B
NEW QUESTION 41
By default, what does the VNC Client and the VNC server daemon use for secure communications?
- A. A self-signed SSL certificate
- B. On SLE 15 the VNC Client assumes the server is set up as a CA.
- C. The VNC server prompts the VNC Client for a password that was configured when the VNC server was installed.
- D. VNC is based on the Telnet protocol so encrypted communication between the VNC Client and Server is not possible.
- E. Both the VNC Client and the VNC server assume you have access to a valid 3rd party CA like Verisign.
Answer: E
NEW QUESTION 42
You have just added a new directory to be exported via NFS. what command should you run next to make that directory available?
- A. systemctl restart nfsserver.service
- B. systmd -reload nfsserver.target
- C. /bin/nfsd - reload
- D. /usr/sbin/rpc.mountd -restart
- E. /etcyinit.d/nfsd -reload
Answer: C
NEW QUESTION 43
Which command is used to manage software RAID?
- A. mdadm
- B. raidadm
- C. fdisk --raid
- D. yast swraid
- E. mdmgr
Answer: A
NEW QUESTION 44
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. extacl -a user=jsmith:rwx -/scripts/tstparse.sh
- B. modacl user=jsmith:rwx -/scripts/tstparse.sh
- C. setfacl -m u:jsmith:rwx -/scripts/tstparse.sh
- D. setacl -a user:jsmith:rwx -/scripts/tstparse.sh
Answer: A,D
NEW QUESTION 45
Which of the following configuration files have a format that is compatible with the system logging facility in SUSE Linux Enterprise? (Choose two)
- A. /etc/syslog.conf
- B. /etc/syslog-ng
- C. /var/log/syslog-ng.conf
- D. /ar/log/kernel-log
- E. /etc/rsyslog.conf
Answer: B,E
NEW QUESTION 46
You are working at a terminal window of a server at the office, but you want to continue this work by remotely accessing the terminal session from your home office. Which command will you need to use to accomplish this?
- A. bg
- B. -tty-release
- C. Ctrl-fa, r
- D. screen
- E. bg -term disconnect
Answer: B
NEW QUESTION 47
When using the nice command, which of the following is the higher priority, -15 or 7?
- A. 0
- B. It depends on the system priority set by the scheduler when the task was launched.
- C. 1
- D. Neither since the values are not within the acceptable range. \
Answer: D
NEW QUESTION 48
If the file1.txt file already exists in your home directory, what will the touch -7file1.txt command do if anything?
- A. This causes any additional data to be appended to the existing file1.txt file.
- B. This changes the access and modification times of the existing file1.txt file.
- C. This generates an error since file1.txt already exists.
- D. This will delete the existing file1.txt file and create a new zero byte file using the same name.
- E. This command displays a message that file1.txt is a normal file.
- F. This command displays a message that file1.txt is a normal file and displays the size of the file.
Answer: D
NEW QUESTION 49
Which filesystem is the recommended filesystem for data volumes?
- A. Ext3
- B. Ext4
- C. nfs
- D. XFS
- E. Btrfs
Answer: E
Explanation:
Explanation
https://documentation.suse.com/de-de/sles/15-GA/html/SLES-all/cha-filesystems.html
NEW QUESTION 50
You want to add two new custom items to the GRUB2 boot menu. Which file should you modify to accomplish this?
- A. /etc/default/grub
- B. /boot/grub2/custom.cfg
- C. /etc/boot/grub.cfg
- D. /etc/grub.d/custom.cfg
- E. /boot/grub2/menu.cfg
Answer: B
Explanation:
Explanation
https://documentation.suse.com/sles/12-SP4/html/SLES-all/cha-grub2.html
NEW QUESTION 51
Which directory is traditionally used as a catch all to mount local and/or remote file systems?
- A. /home
- B. /tmP
- C. /etc
- D. /mnt
- E. /var
Answer: C
NEW QUESTION 52
What command would be used to add new physical volumes to an existing volume group?
- A. vgmodify
- B. pvadd
- C. pvmodify
- D. pvextend
- E. vgextend
- F. vSadd
Answer: E
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
NEW QUESTION 53
Select the valid device types. (Choose two)
- A. null
- B. Redirect
- C. udev
- D. Network
- E. Block
- F. Character
- G. Pipe
Answer: B,D
NEW QUESTION 54
Which UID does the root user have?
- A. 0
- B. 1
- C. 2
- D. The root user does not have an ID assigned
- E. 001
Answer: C
NEW QUESTION 55
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