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Vce XK0-005 Questions Latest

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Total 396 questions

CompTIA Linux+ Exam Questions and Answers

Question 21

A systems administrator receives the following errors via email from the system log:

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XFS (loop0): Metadata CRC error detected at xfs_agi_read_verify+0xcb/0xfe

XFS (loop0): First 128 bytes of corrupted metadata buffer

XFS (loop0): metadata I/O error in "xfs_trans_read_buf_map" at daddr 0x2 len 1 error 74

A few minutes later, the administrator starts receiving reports that some of the images in the company's website are not loading properly. The systems administrator runs some commands and receives the following outputs:

css

Output 1

NAME FSTYPE UUID MOUNTPOINT

sda ext4 02ae47-fe457-45bc /

sdb xfs 347c7056 /var/www/html

Output 2

DocumentRoot "/var/www/html"

Output 3

httpd.service - The Apache HTTP Server

Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)

Active: active (running) since Sun 1991-05-24 16:12:43 UTC; 30y ago

Main PID: 252 (httpd)

Which of the following would be the appropriate steps to take to solve this issue?

Options:

A.

systemctl stop httpd umount /dev/sdb1 xfs_repair /dev/sdb1 mount /dev/sdb1 /var/www/html systemctl start httpd

B.

umount /dev/sdb1 xfs_repair /dev/sdb1 xfs_metadump /dev/sdb1 mount /dev/sdb1 /var/www/html systemctl restart httpd

C.

umount /dev/sdb1 systemctl stop httpd xfs_metadump /dev/sdb1 mount /dev/sdb1 /var/www/html systemctl start httpd

D.

systemctl stop httpd xfs_check -L /dev/sdb umount /var/www/html systemctl start httpd

Question 22

A Linux administrator needs to determine if prerequisites are met. One of the application requirements is to install Perl on a system. Which of the following commands would accomplish this task?

Options:

A.

rpm -Ufperl

B.

rpm -ivperl

C.

rpm -qaperl

D.

rpm -ehperl

Question 23

Users are experiencing high latency when accessing a web application served by a Linux machine. A systems administrator checks the network interface counters and sees the following:

Which of the following is the most probable cause of the observed latency?

Options:

A.

The network interface is disconnected.

B.

A connection problem exists on the network interface.

C.

No IP address is assigned to the interface.

D.

The gateway is unreachable.

Question 24

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

[rootGhost ~]# totalfree -m usedfreesharedbuf f/cache available

Mem:373635988824829

Swap:20471824223

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

Options:

A.

The system has consumed the system memory and swap space.

B.

The system has enough free memory space.

C.

The system has swap disabled.

D.

The system has allocated enough buffer space.

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Total 396 questions