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NEW QUESTION 38
A Linux user wants to give read-only permissions to a directory and its contents. Which of the following
commands will allow the user to accomplish this task?

  • A. chmod -R 600 /new_directory/
  • B. chmod -R 400 /new_directory/
  • C. chmod 600 /new_directory/
  • D. chmod 400 /new_directory/

Answer: C

 

NEW QUESTION 39
A junior administrator of a physical server receives log messages indicating the out-of-memory killer has been active. All memory slots are in use on the motherboard, but additional disk space is available. Space has been allocated for a swap file.
Which of the following should the administrator use to reduce the output of memory messages?

  • A. free : swapoff / swapfile ; swapon -a
  • B. echo "1" > /proc/meninfo ; swapon / swapfile
  • C. mkswap /swapfile; swapon -a
  • D. fallocate -l 2G /swapfile && swapon -a

Answer: A

 

NEW QUESTION 40
A junior systems administrator is creating a cron job. The cron job requirements are as follows:
* Run the hello.shscript every hour (24 times in one day).
* Run it on Monday only.
Given this scenario, which of the following crontab options should be configured to meet these requirements?

  • A. 0 24 ** Monday hello.sh
  • B. 24 *** Monday hello.sh
  • C. 0 *** 1 hello.sh
  • D. 1 *** 0 hello.sh

Answer: B

Explanation:
Explanation/Reference: https://www.debian.org/doc/manuals/system-administrator/ch-sysadmin-time.html

 

NEW QUESTION 41
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