DOL DevOps Principles 5

Question 1

What is the MAIN risk of having a long-running feature branch that is isolated from the main branch for weeks?

Accepted Answer

It creates large, complex merges and integration conflicts

Answer

It prevents automated testing

Answer

It blocks the CI server

Answer

It exposes secrets in version control

Question 2

Which DevOps practice MOST directly reduces the 'mean time to detect' (MTTD) a production issue?

Accepted Answer

Comprehensive real-time monitoring and alerting

Answer

Daily stand-up meetings

Answer

Weekly deployment windows

Answer

Manual log reviews each morning

Question 3

A team implements 'dark launches' to test new functionality. What DevOps principle does this support?

Accepted Answer

Testing in production safely without exposing users to risk

Answer

Eliminating all testing

Answer

Replacing staging environments

Answer

Reducing infrastructure costs

Question 4

According to DevOps principles, who should be primarily responsible for defining and enforcing security controls in the pipeline?

Accepted Answer

Security is embedded into the development team (DevSecOps) and automated in the pipeline

Answer

A separate security team that reviews code after release

Answer

The compliance department via annual audits

Answer

External penetration testers before each major release

Question 5

What is the CORE purpose of a service level objective (SLO) in a DevOps reliability framework?

Accepted Answer

To set an internal reliability target that balances user expectations with engineering effort

Answer

To define legal penalties for downtime

Answer

To replace monitoring dashboards

Answer

To measure developer productivity

Question 6

A DevOps team's change failure rate is 25%. According to DORA benchmarks, what performance tier does this represent?

Accepted Answer

Low

Answer

Elite

Answer

High

Answer

Medium

Question 7

Which statement BEST describes the relationship between DevOps and organizational culture?

Accepted Answer

DevOps requires cultural shifts toward collaboration, learning, and shared accountability as much as technical practices

Answer

DevOps is purely a set of tools and automation scripts

Answer

DevOps culture only affects engineering teams and not leadership

Answer

Organizational culture is irrelevant if the right tools are implemented