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SUSE SCA_SLES15 Exam Syllabus Topics:
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NEW QUESTION 35
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 Permitted option is the Assh/sshd_configfile.
- B. Modify the AllowUsers option in the /etc/ssh/sshd_config file.
- C. Modify the Permitted option in the ~/.ssh/sshd_config file
- D. Modify the Authorized option in the /var/ssh/config file.
- E. Modify the Authorized option in the /etc/ssh/sshd_config file.
Answer: B
NEW QUESTION 36
When using the nice command, which of the following is the higher priority, -15 or 7?
- A. Neither since the values are not within the acceptable range. \
- B. 0
- C. 1
- D. It depends on the system priority set by the scheduler when the task was launched.
Answer: A
NEW QUESTION 37
Which process ID is assigned to systemd?
- A. 0
- B. it is the only process with no system ID.
- C. 1
- D. 2
Answer: A
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.
https://documentation.suse.com/sles/15-GA/html/SLES-all/cha-systemd.html
NEW QUESTION 38
What is the command and options to remove repository number 4?
- A. libzypp --remove-repo 4
- B. yumrepo -del 4
- C. rpm -rr 4
- D. zypper rr 4
- E. yast repo-manag
Answer: C
NEW QUESTION 39
What does the (x) permission on a directory mean?
- A. The export permission on a directory means that directory can be mounted by a remote server.
- B. The examine permission on a directory means that you can see the directory's contents.
- C. The exclude permission on a directory means that the directory will not be displayed by the Is command.
- D. Nothing - the execute permission cannot be assigned to a directory.
- E. The exclude permission on a directory means that the files in the directory are hidden.
- F. The execute permission on a directory means you can use the cd command to change into the directory.
Answer: A
NEW QUESTION 40
Which of the following configuration files have a format that is compatible with the system logging facility in SUSE Linux Enterprise? (Choose two)
- A. /ar/log/kernel-log
- B. /var/log/syslog-ng.conf
- C. /etc/rsyslog.conf
- D. /etc/syslog.conf
- E. /etc/syslog-ng
Answer: C,E
NEW QUESTION 41
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 install a package whether or not a previous version of the package is already installed.
- B. The -U option remove all binaries, scripts, links, and documentation files associated with the RPM in the RPM Database.
- C. The -F option will verify (fix) a broken application based on the information in the RPM Database.
- D. The -U option will install a package whether or not a previous version of the package is already installed.
- E. The -F option will install a package only if a previous version of the package is already installed.
- F. The -U option will remove all the binaries in the package from the file system and update the RPM Database.
Answer: C,F
NEW QUESTION 42
By default, what does the VNC Client and the VNC server daemon use for secure communications?
- A. Both the VNC Client and the VNC server assume you have access to a valid 3rd party CA like Verisign.
- B. A self-signed SSL certificate
- C. On SLE 15 the VNC Client assumes the server is set up as a CA.
- D. The VNC server prompts the VNC Client for a password that was configured when the VNC server was installed.
- E. VNC is based on the Telnet protocol so encrypted communication between the VNC Client and Server is not possible.
Answer: A
NEW QUESTION 43
Which statement is true regarding VFS?
- A. 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.
- B. VFS is a translation layer to allow applications to run on mobile platforms.
- C. VFS is a translation layer to allow applications written for ext2 and ReiserFS to run on ext4 file systems.
- D. VFS is a high-performance journaling file system format used by default by YaST and parted.
- E. VFS is a set of ANs designed for BtrFS to provide portability.
Answer: D
NEW QUESTION 44
Which command is used to manage software RAID?
- A. fdisk --raid
- B. mdadm
- C. yast swraid
- D. mdmgr
- E. raidadm
Answer: B
NEW QUESTION 45
What happens when you launch yast2 without specifying a module name?
- A. YaST displays an error message and terminates
- B. YaST switches to ncurses mode.
- C. The YaST Control Center appears.
- D. YaST switches to graphical mode.
- E. YaST switches to ncurses mode and automatically launches the Module Selector.
Answer: A
NEW QUESTION 46
Which Network Interface type supported by SLES is used for link aggregation?
- A. Bridge
- B. Basic
- C. Bond
- D. VPN
- E. Custom
Answer: C
NEW QUESTION 47
Which command will take a foreground process and suspend it. and then place it in the background as a stopped job?
- A. &&
- B. ctri+&
- C. Ctrl+Z
- D. bg
- E. fg--bg--stop
Answer: D
Explanation:
Explanation
http://fsl.fmrib.ox.ac.uk/fslcourse/unix_intro/job.html
NEW QUESTION 48
firewalld maintains two separate configurations. What are they named? (Choose two)
- A. Production
- B. Static
- C. Fixed
- D. Testing
- E. Temporary
- F. Runtime
- G. Permanent
Answer: F,G
Explanation:
Explanation
Firewalld uses two separated configuration sets, runtime, and permanent configuration.
The runtime configuration is the actual running configuration and it is not persistent on reboots. When the firewalld service starts it loads the permanent configuration which becomes the runtime configuration.
https://www.supportsages.com/everything-you-need-to-know-about-firewalld/#:~:text=Firewalld%20uses%20tw
NEW QUESTION 49
Assume you need to make the third menu entry of your GRUB2 boot menu your default menu selection. What tasks must be completed to accomplish this? (Choose two)
- A. Edit the /etc/default/grub file and set GRUB_DEFAULX to 2
- B. Edit /etc/grub2/custom.cfg and set GRUB_MENU to3
- C. Run the mkinitrd command
- D. Run the grub2-mkconfig command
- E. Edit the /boot/grub2/menu.cfg file and set MENU_DEFAULT to 3
- F. Run the systemctl reload systemd command
Answer: B,D
NEW QUESTION 50
What types of VNC sessions does SUSE Linux Enterprise Server support? (Choose two)
- A. Timed Sessions
- B. One-time Sessions
- C. Persistent Sessions
- D. Automatic Sessions
- E. Server-initiated Sessions
Answer: B,C
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 51
Which file contains information about secondary groups on the system?
- A. /etc/group
- B. /etc/second.grp
- C. /var/share/group
- D. etc/sysconflg/group
- E. /var/lib/group
Answer: B
NEW QUESTION 52
Select the valid device types. (Choose two)
- A. Network
- B. Redirect
- C. udev
- D. Character
- E. Pipe
- F. null
- G. Block
Answer: A,B
NEW QUESTION 53
Which commands and options will display the routing table? (Choose two)
- A. ipconfig -rd
- B. showroute -a
- C. cat /etc/sysconfig/routes
- D. ip r s
- E. ip route show
Answer: C,E
Explanation:
Explanation
https://www.suse.com/support/kb/doc/?id=000016843
NEW QUESTION 54
What is the default port a VNC Client uses to connect?
- A. DP 5901
- B. DP 5801
- C. TCP 5801
- D. TCP 5901
Answer: D
Explanation:
Explanation
https://en.wikipedia.org/wiki/Virtual_Network_Computing#:~:text=VNC%20by%20default%20uses%20TCP,Ja VNC by default uses TCP port 5900+ is the display number (usually :0 for a physical display). Several implementations also start a basic HTTP server on port 5800+N to provide a VNC viewer as a Java applet, allowing easy connection through any Java-enabled web-browser. Different port assignments can be used as long as both client and server are configured accordingly. A HTML5 VNC client implementation for modern browsers (no plugins required) exists too.[8]
NEW QUESTION 55
Which bash commands result in a valid arithmetic expansion? (Choose three)
- A. ((TOTAL++))
- B. TOTAL=$((5+2))
- C. TOTAL=$[8.4/2.1]
- D. TOTAL=$[8/2]
- E. TOTAL=$[2.1*4]
- F. TOTAL=$((5.3+2.2))
Answer: B,F
NEW QUESTION 56
Which commands can be used to terminate processes? (Choose two)
- A. kilLall
- B. Kill
- C. ps-k
- D. terminate
- E. psterm
Answer: C,E
NEW QUESTION 57
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