[Jun 22, 2022] XK0-004 certification guide Q&A from Training Expert DumpsTests [Q63-Q85]

NO.63 A systems administrator has set up third-party log aggregation agents across several cloud instances. The systems administrator wants to create a dashboard of failed SSH attempts and the usernames used.
Which of the following files should be watched by the agents?

NO.64 A junior Linux administrator is updating local name resolution to support IPv6. The administrator issues the command cat /etc/hostsand receives the following output:
127.0.0.1 localhost
Which of the following actions should the administrator perform to accomplish this task?

NO.65 An administrator notices a website hosted on an httpd web server is not loading. Upon further inspection, the administrator learns there are no httpd processes running. When starting the service, the site operates correctly for a few minutes before the process disappears again.
Which of the following should the administrator consider as the MOST likely possibility before troubleshooting the issue?

NO.66 A Linux administrator must identify a user with high disk usage. The administrator runs the # du -s /home/* command and gets the following output:

Based on the output, User3 has the largest amount of disk space used. To clean up the file space, the administrator needs to find out more information about the specific files that are using the most disk space.
Which of the following commands will accomplish this task?

NO.67 A junior administrator needs to unload an older video kernel module.
Which of the following commands would BEST accomplish this task?

NO.68 A Linux administrator tries to ping a hostname in a network but receives the message: hostname not found. The administrator is sure the name exists on the network and wants to verify if the DNS server is correctly configured on the client. Which of the following files should the administrator use to verify this information?

NO.69 An administrator notices the HISTSIZE variable is 50, using the commands below:
HISTSIZE=50
export HISTSIZE
The administrator rechecks the HISTSIZE value using echo HISTSIZE but gets no value. Which of the following commands should the administrator use to retrieve its value?

NO.70 A junior administrator needs to unload an older video kernel module.
Which of the following commands would BEST accomplish this task?

NO.71 Users are unable to connect to a server using HTTPS. The administrator runs the following command on the remote system:

Then, the administrator runs the following command from a local workstation:

Which of the following steps should the administrator take to address the issue?

NO.72 A junior system administrator had trouble installing and running an Apache web server on a Linux server. You have been tasked with installing the Apache web server on the Linux server and resolving the issue that prevented the junior administrator from running Apache.
INSTRUCTIONS
Install Apache and start the service. Verify that the Apache service is running with the defaults.
Typing “help” in the terminal will show a list of relevant commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
CentOS Command Prompt

NO.73 A systems administrator wants to verify the DNS information of a system that is in production.
Which of the following will provide this information?

NO.74 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?

NO.75 A junior Linux administrator is installing patches using YUM. The administrator issues the following command:
yum list installed
The output of the command is as follows:

Given this scenario and the output, which of the following should the administrator do to address this issue?

NO.76 Using which of the following control mode commands is the correct way to substitute all occurrences of /dev/ sdcwith /dev/sddwhile editing a file in vi?

NO.77 All users are reporting that they cannot connect to the SFTP server. The administrator runs a scan:

Which of the following would allow the administrator to fix the problem?

NO.78 An administrator reviews the following configuration file provided by a DevOps engineer:

Which of the following would the application parsing this file MOST likely have to support?

NO.79 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?

NO.80 A systems administrator has retrieved the latest copy of the system backup files, which had been stored offsite at a third-party vendor. The systems administrator wants to validate that the data was not modified since the backup.
Which of the following would BEST verify that the data remained the same?

NO.81 A junior administrator is migrating a virtual machine from a Type 1 hypervisor to a Type 2 hypervisor. To ensure portability, which of the following formats should the administrator export from the Type 1 hypervisor to ensure compatibility?

NO.82 An administrator has written the following Bash script:

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

NO.83 Which of the following statements BEST represents what the term “agentless” means regarding orchestration?

NO.84 Ann, a user, has created a new directory and noticed that permissions on the new directory are as follows:
drwx——. 1 ann ann 0 Jun 11 08:20 work
Which of the following should the administrator do to restore default permissions for newly created directories?

NO.85 A user wants to list the lines of a log, adding a correlative number at the beginning of each line separated by a set of dashes from the actual message. Which of the following scripts will complete this task?