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

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トータル 485 問
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A system administrator is investigating why user3 cannot log in using SSH to one of the servers.
An attempt to log in results in the following:

Which of the following commands should the systems administrator execute to allow user3 log in to the server?

A file server is sharing a directory called /share between team members inside a company. The fileshare needs to be moved from serverA to /newshare located on serverB with all permissions and attributes preserved. Which of the following commands would BEST achieve this task?

Joe, a user, is unable to log in to the server and contracts the systems administrator to look into the issue. The administrator examines the /etc/passwd file and discovers the following entry:
joe:x:505:505::/home/joe:/bin/false
Which of the following commands should the administrator execute to resolve the problem?

An administrator added a disk to a virtual machine. The administrator attempts to mount the first partition with the following command:
Mount/devsda1/mount_point
The administrator receives the following error message:
Mount: /mount_point: does not exist.
Which of the following BEST solves thrs issue and allows the administrator to run the mount command?

The following tools help maintain consistency across different systems in an infrastructure:
SUSE Manager
Red Hat Satellite
Spacewalk
If a system file is changed, the tools roll back the file to a predefined configuration.
Which of the following concepts BEST describes this behavior?

A user creates and installs a Linux VM on a local workstation. The VM can only connect to the local workstation.
Which of the following BEST represents the default virtual network configuration in this instance?

A Linux administrator has configured a local named caching server to reduce the amount of time to resolve common DNS addresses. The server resolves using the external server, however; the administrator wants to avoid this configuration. The administrator verifies the named, conf settings to confirm the following relevant settings:
The administrator then runs dig twice to look up an external address and receives the following relevant output the second time.

Which of the following should the administrator do to correct the configuration?

An administrator attempted to save large files in a directory but was unsuccessful. Which of the following is the NEXT step to nvesbgate the issue?

A systems administrator notices a large number of autoloaded device modules are no longer needed and decides to do a cleanup of them. Which of the following commands will accomplish this task?

解説: (GoShiken メンバーにのみ表示されます)
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?

A systems administrator needs to see if a mail server is listening on port 25. Which of the following is the BEST command for the administrator to run on the mail server to see if the port is listening for connections?

Which of the following is used on the client to boot a Linux system from a TFTP server?

A server technician deployed ten ctoned Linux devices in an organization. When testing network functionality of the devices, the technician notices the cloned devices have identical hostnames. Which of the following commands si hostnames of the devices permanently'?

A user does not want Bluetooth to start up event time the system starts. Which of the following commands should the user execute to accomplish this task?

An administrator is troubleshooting an issue where end users are waiting a very long times for processes to respond. The top command reveals that multiple processes seem to be m a non-responsive state or have become zombies. Which of the administrator use to clean up the system?

A Linux administrator execute the following steps in this order:
1. Changes some software code
2. Commits the changes to the Git repository
3. Triggers a job to compile
4. Execute some test scripts
5. Packages the software package
6. Publishes the software packages to a package repository
Which of the following orchestration processes is the administrator using?

An administrator has written the following Bash script:

All necessary files exist in the correct locations. However, when the administrator executes /home/user/test.sh the following error is received:
No such file or directory
Which of the following is the MOST likely cause of the error?

Given the output below:
[root@appserver ~]# rm config.txt
rm: remove regular file 'config.txt'? yes
rm: cannot remove 'config.txt': Operation not permitted
Which of the following might be the cause?

A user deleted a log file because the disk was running out of space on a system running a mission-critical application. Even though the log file was large, the available disk space did not increase. The systems administrator determines the following files are still open:

Which of the following should the systems administrator perform to BEST free up disk space?

A systems administrator logs into a Linux server and must identify whether the server is a physical or virtual machine.
Which of the following commands should the administrator run?

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トータル 485 問