Question 1

An administrator notices that a critical application service isn’t responding as expected on a Linux system. To diagnose the issue, which command should be used to display the current status of a service named ‘app_service’?

Options :

A : systemctl status app_service

B : ps aux | grep app_service

C : top -c | grep app_service

D : service app_service status

Answer: A

Question 2

A DevOps team is managing a fleet of servers across multiple data centers using a GitOps workflow. They want to ensure that any script executed for maintenance tasks is done so consistently and that the output from each server is captured for audit purposes. Which tool or approach would best fit this requirement within a GitOps framework?

Options :

A : Manual execution of scripts via SSH and manual logging of the output on a shared document

B : Use of a centralized configuration management tool like Ansible, with scripts and their execution policies stored in a Git repository and outputs logged to a centralized logging system

C : Sending scripts via email to data center administrators and asking them to run the scripts and reply with the output

D : Utilizing custom bash scripts that are manually copied to each server and executed, with outputs emailed back to the DevOps team

Answer: B

Question 3

A system administrator is tasked with creating a new virtual machine (VM) to host a lightweight web application. The VM will be deployed in a cloud environment. Which of the following VM configurations is the most appropriate for minimizing costs while ensuring adequate performance for the web application?

Options :

A : A VM with 8 CPU cores and 32 GB of RAM

B : A VM with 2 CPU cores and 4 GB of RAM

C : A VM with 16 CPU cores and 64 GB of RAM

D : A VM with 1 CPU core and 1 GB of RAM

Answer: B

Question 4

A company is expanding its services and plans to deploy dozens of microservices across multiple hosts. What is the primary benefit of using container orchestration in this scenario?

Options :

A : To simplify the management of individual container logs

B : To enable automatic scaling and load balancing of services

C : To decrease the overall cost of cloud hosting services

D : To ensure compliance with industry-specific security standards

Answer: B

Question 5

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

Free LFCT Mock Exam – Practice Online Confidently

Buying Options: