Question 1

A company is adopting GitOps practices for their cloud infrastructure management. They are deciding on a change management model that enables rapid deployment while ensuring that each change is reviewed and approved by a designated authority. Which model best fits these requirements?

Options :

A : Ad-hoc model, where changes are applied directly in production without formal reviews

B : Centralized model, where a central team is responsible for reviewing and applying all changes

C : Trunk-based development model, where developers commit changes directly to the main branch without review

D : Pull request (PR) model, where changes are proposed, reviewed, and approved through pull requests before being merged into the production environment

Answer: D

Question 2

To configure a static IP address of 192.168.1.50 on a network interface named ‘eth0’ on a Linux system using the NetworkManager command-line tool (nmcli), which command should you use?

Options :

A : nmcli con add con-name eth0 ifname eth0 type ethernet ip4 192.168.1.50/24

B : nmcli device modify eth0 ipv4.addresses 192.168.1.50/24

C : nmcli con modify eth0 ipv4.addresses 192.168.1.50/24 ipv4.method manual

D : ifconfig eth0 192.168.1.50 netmask 255.255.255.0 up

Answer: C

Question 3

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 4

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 5

A system administrator is tasked with creating a virtual machine (VM) to host a new application that is sensitive to network latency. The VM will be deployed in a cloud environment. Which factor is most important to consider when selecting the location for the VM deployment?

Options :

A : The cost of the VM instance per hour

B : The physical proximity to the application-s end-users

C : The storage capacity available on the VM

D : The operating system options offered by the cloud provider

Answer: B