A travel website used by millions of customers experience a one-hour outage which exceeds the agreed Error Budget. What could be one possible impact on the business?

Failure of related applications

Missed Service Level Indicators

A healthcare company SRE team have started exploring which operational tasks they can possibly automate. What would be an example of an automatable task?

Physical meetings to approve production deployments

At least 50% of a SRE's time should be spent on engineering work that:

Makes improvements to a service

Adheres to error budget policies

What is one of the reasons that Google introduced the 50% rule for engineering work for SREs?

To ensure that one team or person does not become “ops”

To provide time for SREs to learn from developers

To ensure that one team or person has enough engineering skill to help automate toil

To ensure that there is adequate time to evaluate and implement automation

Which of the following describes a Service Level Indicator?

Data that indicates whether a service level objective is being met

A target level of reliability for a service

A formal contract that defines service levels

A service level requirement that is defined by the customer

An automated process that collects and aggregates data from multiple remote end points is known as

Application Performance Management

What is the goal of Application Performance Management?

The monitoring and management of performance and availability of software applications

The monitoring and aggregation of remote data for application aspects such network, servers, application software

The use of a hardware or software component to monitor system resources and performance

Which of the following is NOT part of a monitoring approach?

Incident ticket system to track incident response

Establishing a rule of what is right and what is wrong

Aggregation across a time horizon graphing at an appropriate scale

Dashboards and displays of SLO’s and associated SLI’s

Which of the following is the definition for Telemetry?

The highly automated communications process by which measurements are made and other data collected at remote or inaccessible points and transmitted to receiving equipment for monitoring

The monitoring and management of performance and availability of software applications

The use of a hardware or software component to monitor the system resources and performance of a computer system

Ways for engineers to communicate quantitative data about systems

Which of the following is true about SRE led service automation

Environments must be provisioned as infrastructure-(or configuration)-as-code to support consistency

Testing is focused on things that are known to go wrong

It is encouraged that more and more features are pushed production without consideration of the impact

Automated deployments are replaced by manual deployments done by SREs

What type of testing should SREs perform in production?

Functional and non-functional testing

What is the primary benefit of Infrastructure as Code?

The same code is used to create development, test, staging and production so all environments are consistent

Developers can test their code in production since infrastructure code is treated the same as application code

It sets the stage for containerization

It allows SREs to increase reliability even with more features being pushed into production faster

Why is it important to have instrumentation in place to make a service externally visible?

To ensure that the correct data and service level indicators are being returned and that log files are being generated and stored

To ensure that pre-prod testing and production testing are identical in order to validate results

To ensure that the DevOps pipeline is focused on increasing reliability through better production testing

To ensure that developers and business stakeholders can access the service

Which of the following is NOT a benefit of outlining the future growth envelope?

Security and audit events are centralized

The total cost of service ownership is reduced

Which of the following is NOT a benefit of provisioning with Infrastructure as Code?

Developers need to understand environments in order to write infrastructure code

It would be easier to test and audit changes in production

All environments pre-production and post-production would be consistent

It would be easier to identify errors in test environments

If an organization is struggling with adopting a learning from failure culture, what should they do?

Investigate the cost of downtime

Do more testing before releasing

What is the primary benefit of doing regular fire drills?

To ensure that the business can continue to operate during unforeseen events or failures

To ensure that the organization can introduce chaos engineering

To ensure that funding for the business continuity plan is adequate

To identify production incidents before they become major incidents

What is the best definition of Chaos Engineering?

A discipline of experimenting on a software system in production in order to build confidence in the system's capability to withstand turbulent and unexpected conditions

A discipline of randomly shutting servers or infrastructure down in order to practice recovery in an unexpected outage

A discipline of engaging in frequent fire drills to ensure that the business can recover in the event of a major outage

A discipline that incorporates aspects of software engineering and applies them to the post-production management of services

Which of the following describes a Full SRE approach to SRE adoption?

There is shared responsibility and shared on-call between SRE and development teams

Ownership of SRE is with the service/delivery teams

Full ownership of operational practices is with the SRE team

Mixing Operations and Engineering teams

An on-call program is essential to ensure Service Level Objectives are met. Who should participate in the on-call program?

Representatives from Operations and Engineering teams

SRE teams and Incident Response teams

What is one of the key outputs of a blameless post mortem?

A list of follow up actions to mitigate future similar incidents

A list of tasks that SREs can take to reduce toil in order to mitigate similar incidents

A discussion about the resources that are needed to avoid future similar incidents

A list of Service Level Objectives and how they were impacted by the incident

What aspect of ITIL/ITSM can particularly support SRE?

The Change Advisory Board (CAB)

What is the primary responsibility of a Database Reliability Engineer?

To apply chaos engineering to the database to confirm failover and restore responses

Helping to move organizations from a bureaucratic to generative flow of information

To ensure data reliability by performing frequent fire drills and data integrity tests

To ensure that data is adequately backed up and recoverable

Which of the following is NOT a key advantage of aligning SRE and Agile practices?

SREs will be embedded into Agile or Scrum Teams

The Definition of Done will be clearer and have a more end to end perspective

Customers will realize more value from working software

Backlogs of toil make work visible and can help prioritize engineering and automation stories

SRE Foundation

Authored by Heimar Bernal

Computers

Professional Development

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MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is the BEST definition of SRE?

What happens when a software engineer is tasked with doing operations

A discipline that incorporates aspects of software engineering and applies them to infrastructure and operations problems

A role that handles post-production operational work such as managing SLOs and Error Budgets

A discipline that incorporates aspects of software engineering and applies them to post-production management of services

MULTIPLE CHOICE QUESTION

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32 minutes

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SRE Foundation

Which of the following is the BEST definition of SRE?

Which of the following is NOT a pillar of DevOps according to Google?

What are services “managed to” in SRE?

Cost of failure can be reduced by?

Which of the following is the most widely tracked Service Level Objectives (SLOs)?

According to the Catchpoint survey, what is the definition of "latency"?

A team has a monthly Service Level Objective for availability of 99.9%. How much time is allocated for their Error Budget?

What does the "T" represent in the SLO VALET model?

A travel website used by millions of customers experience a one-hour outage which exceeds the agreed Error Budget. What could be one possible impact on the business?

The Error Budget should be burned to zero every month?

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