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CompTIA XK0-005 Exam Questions
- Topic 1: System Management: This topic includes summarizing Linux fundamentals, managing files and directories given a scenario, configuring and managing storage using appropriate tools given a scenario, configuring and using appropriate processes and services given a scenario, and using appropriate networking tools given a scenario.
- Topic 2: Security: It covers summarizing security best practices in a Linux environment, implementing identity management given a scenario, configuring and executing remote connectivity given a scenario, and applying appropriate access controls given a scenario.
- Topic 3: Scripting, Containers, and Automation: The topic involves creating simple shell scripts to automate common tasks given a scenario, performing basic container operations given a scenario, performing basic version control using. Moreover, the topic summarizes common infrastructure as code technologies, container, cloud, and orchestration concepts.
- Topic 4: Troubleshooting: It includes analyzing and troubleshooting storage issues, network resource issues, CPU and memory issues, and user access and file permissions. The topic also focuses on using systemd to diagnose and resolve common problems with a Linux system given a scenario.
Free CompTIA XK0-005 Exam Actual Questions
Note: Premium Questions for XK0-005 were last updated On Oct. 30, 2024 (see below)
Users are reporting that a Linux server is responding slowly. A systems administrator troubleshooting the server issue sees the following iostat output, with %iowait at 50.38. Which of the following is most likely the issue?
The %iowait value represents the percentage of time the CPU is waiting for I/O operations to complete. A high %iowait value suggests the system is bottlenecked by disk I/O, which could lead to slow response times. Addressing disk I/O bottlenecks would improve performance.
An administrator is running a web server in a container named web, but none of the error output is not showing. Which of the following should the administrator use to generate the errors on the container?
A technician just fixed a few issues in some code and is ready to deploy the code into production. Which of the following steps should the technician take next?
Due to performance issues on a server, a Linux administrator needs to terminate an unresponsive process. Which of the following commands should the administrator use to terminate the process immediately without waiting for a graceful shutdown?
SIGKILL is used to immediately terminate a process without allowing it to clean up. It does not give the process a chance to gracefully shut down, which is what's needed in the case of an unresponsive process.
A Linux administrator is troubleshooting an SSHD issue on a server. Users are receiving error messages stating the connection is refused. Which of the following commands should be used to verify whether the service is listening?
netstat is a command-line tool that displays network connections, routing tables, and a number of network interface statistics. It can be used to check if the SSHD service is listening on its default port (usually port 22) or any other configured port.
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