Free SCA_SLES15 Exam Braindumps (page: 7)

Page 7 of 18

Which command will take a foreground process and suspend it. and then place it in the background as a stopped job?

  1. bg
  2. ctri+&
  3. Ctrl+Z
  4. fg--bg--stop
  5. &&

Answer(s): C

Explanation:

The command that will take a foreground process and suspend it, and then place it in the background as a stopped job is Ctrl+Z. This keyboard shortcut will send a SIGTSTP signal to the foreground process group, which will stop its execution and return control to the shell. The shell will then display the job number and status of the stopped process. To resume the process in the background, you can use the bg command with the job number or % sign.


Reference:

https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-cli-jobs.html



What command would be used to add new physical volumes to an existing volume group?

  1. vgextend
  2. vSadd
  3. pvmodify
  4. pvadd
  5. pvextend
  6. vgmodify

Answer(s): A

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.

The command that is used to add new physical volumes to an existing volume group is vgextend. This command will extend a volume group by adding one or more physical volumes to it. The physical volumes must be initialized with pvcreate before they can be added to a volume group.


Reference:

https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-lvm-vgs.html#sec-lvm-vgs-add-pv



When using the nice command, which of the following is the higher priority, -15 or 7?

  1. 7
  2. -15
  3. Neither since the values are not within the acceptable range. \
  4. It depends on the system priority set by the scheduler when the task was launched.

Answer(s): B

Explanation:

When using the nice command, -15 is the higher priority than 7. The nice command can be used to run a process with a modified scheduling priority. The priority value ranges from -20 (highest priority) to 19 (lowest priority). The default priority is 0. Only root can assign negative priority values to processes.


Reference:

https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-cli-nice.html



If the file1.txt file already exists in your home directory, what will the touch -7file1.txt command do if anything?

  1. This command displays a message that file1.txt is a normal file.
  2. This changes the access and modification times of the existing file1.txt file.
  3. This will delete the existing file1.txt file and create a new zero byte file using the same name.
  4. This generates an error since file1.txt already exists.
  5. This causes any additional data to be appended to the existing file1.txt file.
  6. This command displays a message that file1.txt is a normal file and displays the size of the file.

Answer(s): B

Explanation:

If the file1.txt file already exists in your home directory, the touch -7file1.txt command will change the access and modification times of the existing file1.txt file. The touch command can be used to create new empty files or update the timestamps of existing files. The -7 option specifies that only one timestamp should be changed instead of both.


Reference:

https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-cli-touch.html



Page 7 of 18



Post your Comments and Discuss SUSE SCA_SLES15 exam with other Community members:

Hua Gong commented on May 28, 2024
Q19: https://documentation.suse.com/smart/network/html/ntp-time-synchronization/index.html Configuring NTP by adjusting /etc/chrony.conf
NEW ZEALAND
upvote

B commented on March 05, 2024
Q11: The name of the system logging facility is "syslog". https://www.rsyslog.com/doc/configuration/modules/pmnull.html#syslogfacility
HUNGARY
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w commented on December 11, 2023
Question 20: Answer A is wrong. Should be "man cp"
POLAND
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w commented on December 11, 2023
Answer to Q11 is wrong. RSYSLOG, not syslog-ng
POLAND
upvote

kagiso commented on October 19, 2023
this might come handy
Anonymous
upvote