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CompTIA Updated XK0-005 Exam Questions and Answers by farah

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CompTIA XK0-005 Exam Overview :

Exam Name: CompTIA Linux+ Exam
Exam Code: XK0-005 Dumps
Vendor: CompTIA Certification: Linux+
Questions: 401 Q&A's Shared By: farah
Question 16

A Linux administrator is providing a new Nginx image from the registry to local cache. Which of the following commands would allow this to happen?

Options:

A.

docker pull nginx

B.

docker attach nginx

C.

docker commit nginx

D.

docker import nginx

Discussion
Question 17

A systems administrator is notified that the mysqld process stopped unexpectedly. The systems administrator issues the following command:

sudo grep –i -r ‘out of memory’ /var/log

The output of the command shows the following:

kernel: Out of memory: Kill process 9112 (mysqld) score 511 or sacrifice child.

Which of the following commands should the systems administrator execute NEXT to troubleshoot this issue? (Select two).

Options:

A.

free -h

B.

nc -v 127.0.0.1 3306

C.

renice -15 $( pidof mysql )

D.

lsblk

E.

killall -15

F.

vmstat -a 1 4

Discussion
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Question 18

A systems administrator is tasked with setting up key-based SSH authentication. In which of the following locations should the administrator place the public keys for the server?

Options:

A.

~/.sshd/authkeys

B.

~/.ssh/keys

C.

~/.ssh/authorized_keys

D.

~/.ssh/keyauth

Discussion
Question 19

User1 is a member of the accounting group. Members of this group need to be able to execute but not make changes to a script maintained by User2. The script should not be accessible to other users or groups. Which of the following will give proper access to the script?

Options:

A.

chown user2:accounting script.shchmod 750 script.sh

B.

chown user1:accounting script.shchmod 777 script.sh

C.

chown accounting:user1 script.shchmod 057 script.sh

D.

chown user2:accounting script.shchmod u+x script.sh

Discussion
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