Comptia exactexam xk0-005 Questions Bank by Amna q53 vce pdf

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Exam Name:	CompTIA Linux+ Exam
Exam Code:	XK0-005 Dumps
Vendor:	CompTIA	Certification:	Linux+
Questions:	470 Q&A's	Shared By:	amna

Question 104

A Linux administrator needs to run a web application on a server that requires the use of a desktop web browser to enter the final configuration information. The administrator determines the server is running in multi-user mode. The administrator verifies that a web browser is installed on the server and that it has a display manager installed. Which of the following commands will best allow the administrator to temporarily use the web browser on the server?

Options:

sudo systemctl isolate graphical.target

sudo systemctl set-default runlevel5.target

sudo systemctl restart gdm

sudo systemctl --no-wall rescue

Discussion

Question 105

The journald entries have filled a Linux machine's /var volume. Which of the following is the best command for a systems administrator to use to free up the disk space occupied by these entries?

Options:

journalctl —rotatejournalctl --vacuum-time=ls

systemctl stop systemd-journaldsystemctl start systemd-journald

rm -rf /var/log/journalsystemctl restart systemd-journald

pkill -HUP systemd-journaldsystemctl restart systemd-journald

Discussion

Question 106

While troubleshooting server issues, a Linux systems administrator obtains the following output:

yaml

total used free shared buff/cache available

Mem: 3736 3538 33 2 48 25

Swap: 2047 1824 223

Which of the following best describes the state of the system?

Options:

The system has consumed the system memory and swap space

The system has enough free memory space

The system has swap disabled

The system has allocated enough buffer space

Discussion

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Question 107

As part of the requirements for installing a new application, the swappiness parameter needs to be changed to O. This change needs to persist across re-boots and be applied immediately. A Linux systems administrator is performing this change. Which of the following steps should the administrator complete to accomplish this task?

Options:

echo "vm. swappiness—()" >> /etc/sysctl . conf && sysctl —p

echo "vrn. >> / proc/meminfo && sysctl —a

sysctl —v >> / proc/meminfo & & echo "vm. swapiness=0"

sysctl —h "vm. swapiness—O" && echo / etc/vmswapiness