최신 XK0-004 무료덤프 - CompTIA Linux+ Certification
A Linux administrator mounts a directory to a Linux workstation by executing the command mount -t ext4 /dev/sdb /mnt /leg. After rebooting the workstation the mounted device is missing. Which of the following commands should it is mounted after reboot?
정답: C
An administrator needs to generate a list of services that are listening on TCP and/or UDP ports. Which of the following tools should the administrator use?
정답: D
An administrator wants to know the amount of memory installed on a Linux server. Which of the following commands can be used to accomplish this task?
정답: B
설명: (DumpTOP 회원만 볼 수 있음)
A user is reporting unusual slowness when trying to transfer a large file to an NFS server from a workstation. The administrator runs tracepath and gets the following output:
Which of the following BEST describes the issue and a possible solution?
Which of the following BEST describes the issue and a possible solution?
정답: D
On a UEFI-based system, which of the following invokes GRUB2 from the EFI command prompt?
정답: D
An engineer is working on a production application deployment that requires changing a web application property file called server.property that is managed by the Git version control system. A cloned copy of the remote repository in which the server.property file exists is on the local desktop computer. The engineer makes appropriate changes to the files, saves it as server.property, and executes git commit -m "changed the property file" server.property. Which of the following commands did the engineer fail to perform?
정답: D
A Linux administrator needs the "tech" account to have the option to run elevated commands as root.
Which of the following commands would BEST meet this goal?
Which of the following commands would BEST meet this goal?
정답: B
An administrator is investigating issues with an unresponsive website hosted on an internal web server named websrv. After gathering diagnostics data the administrator performs the following analysis:
Which of the following would MOST likely resolve the issue on the web server?
Which of the following would MOST likely resolve the issue on the web server?
정답: C
While creating a file on a volume, the Linux administrator receives the following message: No space left on device. Running the df -m command, the administrator notes there is still 50% of usage left. Which of the following is the NEXT step the administrator should take to analyze the issue without losing data?
정답: C
A Linux administrator is checking connectivity between two servers in separate subnets:
Server A: 10.1.2.20 (source)
Server B: 10.2.1.10 (destination on port 8080)
The administrator tried to run the curl 10.2.1.10:8080 command on server A and received the following output:
curl: (7) Failed to connect to 10.2.1.10 port 8080: Connection refused.
The administrator checked on server B and confirmed nothing is listening on port 8080.
Which of the following commands, when run on server B, would have allowed the administrator to test the connection successfully?
Server A: 10.1.2.20 (source)
Server B: 10.2.1.10 (destination on port 8080)
The administrator tried to run the curl 10.2.1.10:8080 command on server A and received the following output:
curl: (7) Failed to connect to 10.2.1.10 port 8080: Connection refused.
The administrator checked on server B and confirmed nothing is listening on port 8080.
Which of the following commands, when run on server B, would have allowed the administrator to test the connection successfully?
정답: C
An administrator notices that a long-running script, /home/user/script.sh, is taking up a large number of system resources. The administrator does not know the script's function. Which of the following commands should the administrator use to minimize the script's impact on system resources?
정답: C
A Linux administrator recently changed the IP addresses of all the web servers from 10.10.50.x to 10.10.100.x. The administrator needs to update the serverlist.txt file to reflect the change.
The file contains the following:
10:WebSvr01:10.10.50.21:Main
11:WebSvr02:10.10.50.22:Acconting
12:WebSvr03:10.10.50.23:Intranet
20:NFS01:10.10.20.21:FileServer
30:SMTP01:10.10.30.31:Email
Which of the following commands will change the IP addresses and update the files in place?
The file contains the following:
10:WebSvr01:10.10.50.21:Main
11:WebSvr02:10.10.50.22:Acconting
12:WebSvr03:10.10.50.23:Intranet
20:NFS01:10.10.20.21:FileServer
30:SMTP01:10.10.30.31:Email
Which of the following commands will change the IP addresses and update the files in place?
정답: B
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?
정답: A
An administrator is trying to optimize a connection to an off-site NFS server.
Which of the following commands would BEST display the problems with packet sizes between hops on the network?
Which of the following commands would BEST display the problems with packet sizes between hops on the network?
정답: A