Question 1

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 2

For a project requiring high availability and fault tolerance, a system administrator needs to configure VM replication across multiple geographic regions. Which feature should be prioritized in the cloud provider’s service offerings to meet these requirements?

Options :

A : VM auto-scaling based on demand

B : Multi-region deployment capabilities

C : GPU options for compute-intensive tasks

D : Integrated backup and restore services

Answer: B

Question 3

In a GitOps workflow, a team wants to ensure that any changes to the network configuration in their Kubernetes clusters are automatically applied, version-controlled, and easily reversible. Which combination of tools and practices should they implement to achieve this?

Options :

A : Direct modifications to the cluster via kubectl commands

B : Storing network configuration as code in a Git repository and applying changes through Kubernetes Operators

C : Use of a shared spreadsheet to track changes and manual application by team members

D : Periodic backups of cluster configurations and manual restoration when changes are needed

Answer: B

Question 4

You need to find all occurrences of the term ‘error’ in ‘application.log’ and redirect both the output and errors from this operation to a file named ‘errors_found.txt’. Which command should you use?

Options :

A : grep 'error' application.log > errors_found.txt

B :

grep 'error' application.log 2>&1 errors_found.txt

C : grep 'error' application.log &> errors_found.txt

D : grep 'error' application.log > errors_found.txt 2>&1

Answer: D

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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