DevOps-SRE Sample Questions Answers

An SRE is rapidly coding a solution to automate a daily tuning activity byfollowing a set Of best practices and principles.

An SRE is designing a solution to eliminate toil and scale up servicedelivery by learningfrom other successful solutions.

An SRE is deploying a solution using an end-to-end pipeline that has been carefully analyzedfromthe start.

An SRE is resolving anincident as quickly as possible using a well-designedimplemented process and knowledge base

Host layer

Physicallayer

Perimeter layer

Data layer

Applying network and infrastructure development best practices for stable operations and good reliability

Applying network design and deploying best practices to achieve meeting operational performance targets

Applying infrastructure engineering principles to build and maintain the stable delivery of operational services

Applying software development best practices to solving operational problems and automating solutions

To increase reliability by reducing MTTR and MTRS

To increase the mean time to repair services (MTTR)

To increase the mean tune to restore services (MTRS)

To increase reliability and achieve perfect MTRS

Risk and reward

Innovation and reliability

Features and benefits

Time and money

....structural engineering....

....security engineering....

....software engineering....

....simulation engineering....

Service level indicators are the measurements for the service level objectives

Service level indicators are the performance targets for service level objectives

Service level objectives are the measurements foe the service level indicators

Service level objectives are the performance metrics for service level indicators

The time it takes to service successful as well as failed requests

The rate of failed requests either explicitly implicitly, or by policy

The demand that is placed on your system by me volume of requests

The percent of capacity used by your system for current requests

An analysis and understanding of data helps to ensure fact-based decision-making

The garnering of data will provide an the necessary facts to enable better decisions

Data mining enables an organization to determine the legitimacy of all metrics

Objectives can only be appropriately designed when based upon actual data