Question 1

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 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

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 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

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

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