最新のSCA_SLES15試験問題集でSUSE試験にはトレーニングを提供しています
合格できるSUSE SUSE Certified Administrator in Enterprise Linux 15 (050-754)のPDF問題集は最近更新された72問あります
SUSE SCA_SLES15 認定試験の出題範囲：
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質問 30
If you have a service named tftp, which command and options would enable tftp to start automatically when the server starts?
- A. systemd start tftp
- B. chkconfig add tftp
- C. systemctl start tftp
- D. systemctl enable tftp
- E. systemctl enable-start tftp
正解: A
質問 31
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. setacl -a user:jsmith:rwx -/scripts/tstparse.sh
- D. setfacl -m u:jsmith:rwx -/scripts/tstparse.sh
正解: D
質問 32
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. modacl user=jsmith:rwx -/scripts/tstparse.sh
- D. extacl -a user=jsmith:rwx -/scripts/tstparse.sh
正解: B,D
質問 33
What is the first file executed by a bash login shell?
- A. /etc/bash
- B. -/profile
- C. /etc/profile
- D. -/.alias
- E. /etc/profi le.alias
正解: C
解説:
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.
質問 34
Which command would you run to create an updated initial file system, if your server hardware requires additional drivers to be available for the Kernel at boot up?
- A. mkinitrd
- B. newinitfs
- C. modinitd
- D. makeinitfs
- E. updinitrd
正解: A
質問 35
Which bash commands result in a valid arithmetic expansion? (Choose three)
- A. TOTAL=$((5.3+2.2))
- B. TOTAL=$[2.1*4]
- C. TOTAL=$((5+2))
- D. ((TOTAL++))
- E. TOTAL=$[8/2]
- F. TOTAL=$[8.4/2.1]
正解: C,D
質問 36
After the Kernel has been loaded during the boot process, which component will handle hardware detection?
- A. udev
- B. hal
- C. initramfs
- D. devfsd
- E. devmgr
正解: A
質問 37
Which system initialization system is used in SLES 15?
- A. undev
- B. init
- C. systemd
- D. System V
- E. UEFI
正解: C
解説:
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.
質問 38
Which directory is traditionally used as a catch all to mount local and/or remote file systems?
- A. /etc
- B. /var
- C. /mnt
- D. /home
- E. /tmP
正解: A
質問 39
Which Network Interface type supported by SLES is used for link aggregation?
- A. VPN
- B. Custom
- C. Basic
- D. Bond
- E. Bridge
正解: D
質問 40
Which command is used to view the manual pages?
- A. help -man
- B. man
- C. doc -man
- D. show
- E. info
正解: B
解説:
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
質問 41
What is the default port a VNC Client uses to connect?
- A. DP 5801
- B. TCP 5801
- C. DP 5901
- D. TCP 5901
正解: D
解説:
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]
質問 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. /usr/sbin/rpc.mountd -restart
- D. /bin/nfsd - reload
- E. /etcyinit.d/nfsd -reload
正解: D
質問 43
What should you do if you want to define alias commands so that each time you open a terminal window those aliases are available from the command prompt?
- A. Create a file named -/.alias and put your alias commands in That file.
- B. When you create the alias initially, specify the --keep parameter.
- C. Modify the /etc/.history/USER_NAME file to include your alias commands.
- D. List all your aliases you have defined by entering the alias --list command and piping the output to the -Abashrc file.
- E. This cannot be done since aliases are session specific only.
正解: C
質問 44
Which command would you run to create an updated initial file system, if your server hardware requires additional drivers to be available for the Kernel at boot up?
- A. newinitfs
- B. mkinitrd
- C. modinitd
- D. makeinitfs
- E. updinitrd
正解: D
質問 45
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