Question 1

How would you display the differences in content between two configuration files, ‘config_old.txt’ and ‘config_new.txt’, highlighting only the lines that have been added or changed in ‘config_new.txt’?

Options :

A : diff config_old.txt config_new.txt

B : diff -u config_old.txt config_new.txt

C : comm -3 config_old.txt config_new.txt

D : diff -Naur config_old.txt config_new.txt

Answer: D

Question 2

When transitioning to a GitOps workflow for a cloud-native application, a DevOps team debates how best to manage configuration changes to their Kubernetes clusters. Which change management model should they employ to ensure configurations are consistently applied and easily auditable in alignment with GitOps practices?

Options :

A : Manual Intervention Model, requiring operations team members to apply changes directly using kubectl commands

B : Infrastructure as Code (IaC) Model, storing configuration files in Git repositories and applying changes through automated pipelines

C : Scheduled Updates Model, applying changes at fixed intervals regardless of the state of the repository

D : Centralized Command Center Model, using a single dashboard for manual updates by authorized personnel

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

On a Debian-based system, you want to search for a package named ‘curl’ to see if it’s available for installation. Which command should you use?

Options :

A : apt search curl

B : dpkg -l | grep curl

C : apt-get find curl

D : yum search curl

Answer: A

Question 5

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

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