Exam 18: CompTIA Linux+

A systems administrator has received reports of intermittent network connectivity to a particular website. Which of the following is the BEST command to use to characterize the location and type of failure over the course of several minutes?

A Linux server needs to be accessed, but the root password is not available. Which of the following would BEST allow an administrator to regain access and set a new known password at the same time?

A user attempts to use the mount -a command but gets the following error: mount: mount point /mnt/test does not exist Which of the following commands best describes the action the Linux administrator should take NEXT?

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?

A systems administrator is using a Linux laptop to troubleshoot network devices. The administrator runs the following command: # screen /dev/USB0 Which of the following does this command MOST likely accomplish?

Which of the following statements BEST represents what the term "agentless" means regarding orchestration?

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 file exists is on the local desktop computer. The engineer makes appropriate changes to the files, saves it as , and executes git commit -m "changed the property file" server.property . Which of the following commands did the engineer fail to perform?

A networked has been crashing intermittently. A Linux administrator would like to write a shell script that will attempt to ping the server and email an alert if the server fails to respond. The script will later be scheduled via cron job. Which of the following scripts would BEST accomplish this task?

A Linux administrator wants to obtain a list of files and subdirectories in the /etc directory that contain the word "services". Once the files and subdirectories are discovered, they should be listed alphabetically in the /var/tmp/foundservices file. Which of the following shell scripts will accomplish this task?

A Linux administrator has configured a Linux system to be used as a router. The administrator confirms that two network adapters are properly installed and functioning correctly. In addition, the output of the iptables -L command appears to contain a complete firewall configuration. Which of the following commands does the administrator need to issue for the router to be fully functional?

A Linux systems administrator installed a new web server, which failed while attempting to start. The administrator suspects that SELinux is causing an issue and wants to temporarily put the system into permissive mode. Which of the following would allow the administrator to accomplish this?

Which of the following configuration management tools is considered agentless?

A Linux administrator is restoring the SELinux contexts on an entire system. Which of the following commands is the BEST option to complete this task?

A company requires all servers to be configured with the BIOS on Coordinated Universal Time and the OS on Central Standard Time. Which of the following can be used to change the time according to these requirements? (Choose two.)

A Linux administrator needs to remotely update the contents of the www.comptia.org/contacts URL. Which of the following commands would allow the administrator to download the current contents of the URL before updating?

A Linux administrator needs to schedule a cron job to run at 1:15 p.m. every Friday to report the amount of free disk space on the system and to send the output to a file named "freespace". Which of the following would meet this requirement?

A systems administrator installs a simple package, but the Linux system returns the following error: rpmdb open fails . To verify if there is a problem in the RPM database, the systems administrator runs the following command: Which of the following commands should the systems administrator run NEXT to resolve this issue?

A systems administrator wants to install a new application that requires the newmod kernel module. Which of the following commands should the systems administrator use?

A Linux administrator wants to fetch a Git repository from a remote Git server. Which of the following is the BEST command to perform this task?

Given that a company's policy states that users cannot install third-party tools on Window servers, which of the following protocols will allow a Linux GUI to connect to a Windows server?