XK0-004試験無料問題集（485題）「CompTIA Linux+ Certification 認定」

出題：1

An administrator is reviewing updates in the master online Git repository and notices a file named .htaccess.
The file contains passwords and should only be in the administrator's local repository, not the online one.
Which of the following would prevent this file from appearing online in the future?

A. sed -i 's/#Preserve Hidden=True/Preserve Hidden=True/g' .git/config

B. chown nobody:nodoby .htaccess

C. git commit -m "File Update" -x .htaccess

D. echo ".htaccess" >> .gitignore

正解：D 解答を投票する

出題：2

An administrator has a CSV file named hosts.csv. The contents of hosts.csv include the following:
192.168.2.57,lnx1prd.example.com,Linux,Production
192.168.2.58,lnx2prd.example.com,Linux,Production
192.168.1.4,server15.example.com,Windows,Development
The administrator needs to create a second comma-separated list of only the Linux server IP addresses.
Which of the following commands would achieve this need?

A. for ip in $(awk -F, '{print $1}' hosts.csv | grep "Linux"); do echo -n "$ip,"; done

B. for ip in $(grep "Linux" hosts.csv | sed "/$1//'); do echo -n "$ip,"; done

C. for ip in $( cut -d"," -f1 hosts.csv | grep "Linux"); do echo -n "$ip,"; done

D. for ip in $(grep "Linux" hosts.csv | cut -d"," -f1); do echo -n "$ip,"; done

正解：B 解答を投票する

出題：3

Which of the following servers provides encrypted tunnel SOCKS services?

A. SNMP

B. VPN

C. SSH

D. CA

正解：C 解答を投票する

出題：4

A Linux administrator added storage to an XFS-formatted filesystem at /dev/mapper/vgslash-lvLog device using the LVM tools. However, the additional space does not show up when the administrator runs the df - h command. Which of the following commands should the administrator run to resolve this issue?

A. Option D

B. Option C

C. Option A

D. Option B

正解：C 解答を投票する

出題：5

A Linux administrator needs to add some files in a directory to the Git repository but must exclude some local
.tmp files that are occasionally created by the scripts.
Which of the following is the BEST way to accomplish this task?

A. echo .tmp >> .gitignore

B. git add -x .tmp *

C. rm -rf .tmp

D. git rm .tmp

正解：A 解答を投票する

出題：6

A Linux administrator needs to change the permission on a script so that he owner has permission to execute. Which of the following BEST accomplishes this task?

A. Chmod 0644 script,sh

B. Chmod u+x script,sh

C. Chmod ug=script,sh

D. Chmod -x script,sh

正解：C 解答を投票する

出題：7

An administrator is configuring a new Linux server and wants to boot the system to a file that was previously downloaded to locally install removable medi a. Which of the following boot options should the administrator choose?

A. PXE

B. ISO

C. NFS

D. HTTP

正解：B 解答を投票する

出題：8

A Linux administrator suspects unauthorized users are attempting to log in to the Linux server remotely. Which of the following should the administrator check FIRST?

A. /var/log/kern.log

B. /var/log/dmesg

C. /var/log/secure

D. /var/log/messages

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：9

A user cannot access the application server from a laptop. The user does not know the name of the application's process but does know the port number. Which of the following commands would BEST help the user to investigate the issue whe

A. route

B. last

C. netatat

D. lsblk

E. nslookup

正解：B 解答を投票する

出題：10

A Linux systems administrator wants the ability to access systems remotely over SSH using RSA authentication. to which of the following files should the RSA token be added to allow this access?

A. known_hosts

B. id_rsa.pub

C. ~/.ssh/ssh_config

D. authorized_keys

正解：B 解答を投票する

出題：11

A Linux storage administrator wants to create a logical volume group. Which of the following commands is required to start the process?

A. vgcreate

B. mkfs.xfs

C. pvcreate

D. lvcreate

正解：A 解答を投票する

出題：12

A Linux administrator is confirming information on a system. The administrator issues a series of commands and gets the following output:

Which of the following did the administrator issue?

A. Ismod | sort

B. modprobe video ismod

C. dmesg | more

D. insmod video > dev/ttyS0

正解：A 解答を投票する

出題：13

A Linux server has multiple IPs. A Linux administrator needs to verify if the HTTP server port is bound to the correct IP.
Which of the following commands would BEST accomplish this task?

A. route

B. host

C. ip

D. nslookup

E. netstat

正解：E 解答を投票する

出題：14

A junior systems administrator is diagnosing an issue with latency. The administrator issues the command mtr www.comptia.org at a terminal and receives the following output:

Given this scenario and the output, which of the following should be reported to the network team for investigation? (Choose two.)

A. Host 1 is set to filter ICMP reply packets.

B. Host 2 is experiencing high packet loss, indicating the link is overloaded.

C. Host 3 is set to filter ICMP reply packets.

D. Host 1 is set to filter ICMP echo packets.

E. Host 2 is experiencing low bandwidth, indicating the ISP is blocking traffic.

F. Host 3 is set to filter ICMP echo packets.

正解：B,F 解答を投票する

出題：15

Which of the following is the purpose of the monitoring server role?

A. To provide user authentication services to a network

B. To provide real-time analysis of potential threats to the organization

C. To collect status and performance information about the servers in an environment

D. To aggregate web traffic to watch which websites employees are visiting

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：16

A systems administrator needs to conduct maintenance on a server.
Which of the following commands will place the administrator in the appropriate runlevel?

A. init 0

B. telinit 6

C. init 3

D. telinit 1

正解：A 解答を投票する

XK0-004試験無料問題集「CompTIA Linux+ Certification 認定」