Question 1

A Linux system administrator has been notified that a specific application, ‘app_service’, is not responding. Which command should they use to check if the ‘app_service’ process is currently running on the system?

Options :

A : ps aux | grep app_service

B : systemctl status app_service

C : top -b | grep app_service

D : service app_service status

Answer: A

Question 2

A Linux administrator is troubleshooting a Docker container that fails to communicate with external network resources. Which command should the administrator use to inspect the network configuration of the problematic container named ‘app_container’?

Options :

A : docker network inspect bridge

B : docker inspect app_container

C : docker container logs app_container

D : docker network connect bridge app_container

Answer: B

Question 3

To optimize their Docker image for a Python-based web application, a developer decides to use a multi-stage build process. What is the primary reason for using multi-stage builds in this context?

Options :

A : To compile Python code into a binary format for faster execution

B : To separate the build environment from the runtime environment, reducing the final image size

C : To create separate containers for development, testing, and production environments

D : To install multiple versions of Python side by side for compatibility testing

Answer: B

Question 4

A cloud infrastructure team is planning to automate the provisioning and management of their AWS resources to enhance efficiency and consistency across environments. They want to adopt a GitOps approach that aligns with best practices for infrastructure as code (IaC). Which combination of tools and practices should they implement?

Options :

A : Manually create resources using the AWS Management Console and document configurations in a shared spreadsheet

B : Use AWS CloudFormation templates to define infrastructure, store these templates in a Git repository, and apply changes through automated CI/CD pipelines

C : Write bash scripts for resource provisioning, execute them locally on an administrator-s machine, and commit the script outputs to a Git repository

D : Employ AWS CLI commands in ad-hoc fashion for infrastructure changes, with periodic manual commits of the state to a Git repository

Answer: B

Question 5

You want to create a symbolic link named ‘latest_report’ that points to a file named ‘annual_report_2023.txt’ within the same directory. Which command should you use?

Options :

A : ln annual_report_2023.txt latest_report

B : ln -s annual_report_2023.txt latest_report

C : ln -h annual_report_2023.txt latest_report

D : link annual_report_2023.txt latest_report

Answer: B