NEW QUESTION 1
Running the command rm Downloads leads to the following error: rm: cannot remove ‘Downloads/’: Is a directory
Which of the following commands can be used instead to remove Downloads, assuming Downloads is empty? (Choose two correct answers.)

• A. undir Downloads
• B. rmdir Downloads
• C. dir –r Downloads
• D. rem Downloads
• E. rm –r Downloads

Answer: BE

NEW QUESTION 2
What is the preferred source for the installation of new applications in a Linux based operating system?

• A. The vendor's version management system
• B. A CD-ROM disk
• C. The distribution's package repository
• D. The vendor's website
• E. A retail store

Answer: C

NEW QUESTION 3
Which of the following commands sorts the output of the command export-logs?

• A. export-logs < sort
• B. export-logs > sort
• C. export-logs & sort
• D. export-logs | sort
• E. export-logs <> sort

Answer: D

NEW QUESTION 4
What command displays manual pages? (Specify ONLY the command without any path or parameters.)

• A. Yes
• B. Not Mastered

Answer: A

NEW QUESTION 5
Why are web browser cookies considered dangerous?

• A. Cookies support identification and tracking of users.
• B. Cookies are always public and accessible to anyone on the internet.
• C. Cookies consume significant amounts of storage and can exhaust disk space.
• D. Cookies store critical data which is lost when a cookie is deleted.
• E. Cookies can contain and execute viruses and malware.

Answer: A

NEW QUESTION 6
What is true about a recursive directory listing?

• A. It includes the content of sub-directories.
• B. It includes the permissions of the directory listed.
• C. It includes details of file system internals, such as inodes.
• D. It includes ownership information for the files.
• E. It includes a preview of content for each file in the directory.

Answer: A

NEW QUESTION 7
Most commands on Linux can display information on their usage. How can this information typically be displayed?

• A. By running the command with the option /? or /??.
• B. By running the command with the option ?! or ?=!.
• C. By running the command with the option /doc or /documentation.
• D. By running the command with the option -h or --help.
• E. By running the command with the option -m or --manpage.

Answer: E

NEW QUESTION 8
Which of the following directories must be mounted with read and write access if it resides on its own dedicated file system?

• A. /opt
• B. /lib
• C. /etc
• D. /var
• E. /usr

Answer: D

NEW QUESTION 9
Which of the following programs is a graphical editor for vector graphics?

• A. Python
• B. NGINX
• C. Samba
• D. Inkscape
• E. MySQL

Answer: D

NEW QUESTION 10
What is the purpose of the PATH environment variable?

• A. It allows the execution of commands without the need to know the location of the executable.
• B. It increases security by preventing commands from running in certain locations.
• C. It specifies the location of a user's home directory.
• D. It indicates the location of the default shell to be used when a user logs in.
• E. It contains the absolute path to the current directory.

Answer: A

NEW QUESTION 11
The current directory contains the following file:
-rwxr-xr-x 1 root root 859688 Feb 7 08:15 test.sh
Given that the file is a valid shell script, how can this script be executed? (Choose two correct answers.)

• A. run test.sh
• B. ${test.sh}
• C. cmd ./test.sh
• D. ./test.sh
• E. bash test.sh

Answer: DE

NEW QUESTION 12
Which of the following outputs comes from the command free?

• A. Option A
• B. Option B
• C. Option C
• D. Option D
• E. Option E

Answer: E

NEW QUESTION 13
Reverse DNS assigns hostnames to IP addresses. How is the name of the IP address 198.51.100.165 stored on a DNS server?

• A. In the A record for 165.100.51.198.ipv4.arpA.
• B. In the PTR record for 165.100.51.198.in-addr.arpA.
• C. In the RNAME record for 198-51-100-165.rev.arpA.
• D. In the ARPA record for 165.100.51.198.rev.
• E. In the REV record for arpA.in-addr.198.51.100.165.

Answer: B

NEW QUESTION 14
What is the return value of a shell script after successful execution?

• A. 1
• B. -1
• C. -255
• D. 255

Answer: B

NEW QUESTION 15
Which of the following commands extracts the contents of the compressed archive file1.tar.gz?

• A. tar -czf file1.tar.gz
• B. ztar file1.tar.gz
• C. tar -xzf file1.tar.gz
• D. tar --extract file1.tar.gz
• E. detar file1.tar.gz

Answer: C

NEW QUESTION 16
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