IT and Technology DevOps & Automation 2

Question 1

Which configuration management tool uses an agentless, SSH-based approach?

Accepted Answer

Ansible

Answer

Ansible is agentless and communicates with managed nodes over SSH using YAML-based playbooks, requiring no software installed on targets.

Question 2

In Docker, what is the function of a Dockerfile?

Accepted Answer

Defining the instructions to build a container image

Answer

A Dockerfile contains a series of instructions that Docker executes in order to build a repeatable, layered container image.

Question 3

What metric best measures the speed of a DevOps team's deployment process?

Accepted Answer

Deployment frequency

Answer

Deployment frequency measures how often code is successfully released to production, directly reflecting pipeline speed and automation maturity.

Question 4

Which practice involves automatically rolling back a deployment when error rates exceed a threshold?

Accepted Answer

Automated rollback

Answer

Automated rollback uses monitoring thresholds to detect failures and revert to the previous stable version without manual intervention.

Question 5

What is the primary benefit of using immutable infrastructure?

Accepted Answer

Servers are never modified after deployment, improving consistency

Answer

Immutable infrastructure replaces servers rather than patching them in place, eliminating configuration drift and ensuring consistent, reproducible environments.

IT and Technology Practice Test

IT and Technology Practice Test

IT and Technology DevOps & Automation 2