1. Question: What does SRE stand for?
a) Site Reliability Engineering
b) Server Reliability Engineering
c) System Reliability Engineering
d) Software Reliability Engineering
Answer: a) Site Reliability Engineering
2. Question: Which company popularized the concept of SRE?
a) Amazon
b) Facebook
c) Google
d) Microsoft
Answer: c) Google
3. Question: What is the main goal of SRE?
a) Achieve 100% uptime
b) Achieve optimal system performance
c) Achieve a balance between reliability and development velocity
d) Achieve maximum cost savings
Answer: c) Achieve a balance between reliability and development velocity
4. Question: Which programming language is commonly used for writing SRE automation scripts at Google?
a) Python
b) Java
c) Ruby
d) Go
Answer: d) Go
5. Question: What is the term for the practice of making small, reversible changes to the production system to mitigate the impact of failures?
a) Disaster Recovery
b) Chaos Engineering
c) Canary Release
d) Rollback
Answer: c) Canary Release
6. Question: What does "Error Budget" represent in SRE terms?
a) The allowed number of errors in a system
b) The budget allocated for SRE team salaries
c) The remaining time to fix an error before user impact
d) The budgeted downtime or errors that can be tolerated in a system
Answer: d) The budgeted downtime or errors that can be tolerated in a system
7. Question: What is the primary purpose of an SLA (Service Level Agreement)?
a) Define the level of service expected by users
b) Set goals for the SRE team
c) Define the budget for system maintenance
d) Set limits on system usage
Answer: a) Define the level of service expected by users
8. Question: What does "Toil" mean in an SRE context?
a) Routine, repetitive, and manual tasks
b) Critical system failures
c) User complaints
d) Performance degradation
Answer: a) Routine, repetitive, and manual tasks
9. Question: What is the primary purpose of an Error Budget Policy?
a) Define acceptable levels of errors in the system
b) Define the budget for hiring SREs
c) Define the server capacity requirements
d) Define the system's code quality standards
Answer: a) Define acceptable levels of errors in the system
10. Question: In an SRE context, what does "SLI" stand for?
a) Service Level Indicator
b) Service Level Improvement
c) Service Level Instruction
d) Service Level Implementation
Answer: a) Service Level Indicator
11. Question: What is the purpose of an SLO (Service Level Objective)?
a) Define the level of service that is unacceptable to users
b) Define the minimum level of service that must be maintained
c) Define the level of service that meets user expectations
d) Define the level of service that exceeds user expectations
Answer: c) Define the level of service that meets user expectations
12. Question: What is the purpose of a "Blameless Postmortem" in SRE?
a) Assign blame for system failures
b) Identify the root causes of incidents without blame
c) Document system configurations
d) Define future system architecture
Answer: b) Identify the root causes of incidents without blame
13. Question: What is the purpose of a "Service Level Objective (SLO)?"
a) To define the availability of the service
b) To define the user experience
c) To define the error rate
d) To define the cost of the service
Answer: b) To define the user experience
14. Question: In an SRE context, what does "SLA" stand for?
a) Service Level Agreement
b) Service Level Assessment
c) Service Level Assignment
d) Service Level Adjustment
Answer: a) Service Level Agreement
15. Question: What is the primary focus of SRE?
a) Developing new features
b) Enhancing user interfaces
c) System stability and reliability
d) Market research
Answer: c) System stability and reliability
16. Question: Which of the following is a key principle of SRE?
a) Stability is expensive
b) Speed is paramount
c) Operations and development are separate
d) Failure is not an option
Answer: a) Stability is expensive
17. Question: What is the purpose of a "Change Failure Rate (CFR)" metric in SRE?
a) Measure the number of successful changes
b) Measure the number of failed changes
c) Measure the frequency of system updates
d) Measure the server response time
Answer: b) Measure the number of failed changes
18. Question: What is the "Golden Signals" concept in SRE?
a) Key metrics used to monitor system performance and user experience
b) Standardized error messages
c) Preferred coding practices
d) Critical system components
Answer: a) Key metrics used to monitor system performance and user experience
19. Question: What is the purpose of an "Error Budget Burn Rate" metric in SRE?
a) Measure how fast the error budget is depleted
b) Measure the system's error rate
c) Measure the system's availability
d) Measure the system's latency
Answer: a) Measure how fast the error budget is depleted
20. Question: Which SRE practice focuses on introducing controlled failures into the system to identify weaknesses?
a) Error Budgeting
b) Chaos Engineering
c) Incident Management
d) Change Management
Answer: b) Chaos Engineering
21. Question: What is the purpose of "Observability" in an SRE context?
a) Ensure the system remains invisible to users
b) Monitor the system's performance and behavior
c) Enhance system security
d) Optimize system code
Answer: b) Monitor the system's performance and behavior
22. Question: What is the purpose of a "Service Level Indicator (SLI)" in SRE?
a) Define the maximum acceptable error rate
b) Define the acceptable system latency
c) Define the system's user base
d) Define the system's storage capacity
Answer: b) Define the acceptable system latency
23. Question: What does "Bottleneck" refer to in a system?
a) The maximum system capacity
b) The slowest component that limits the system's performance
c) The point where the system is most reliable
d) The highest system throughput
Answer: b) The slowest component that limits the system's performance
24. Question: What is the purpose of "Error Rate" as a metric in SRE?
a) Measure the percentage of successful transactions
b) Measure the percentage of failed transactions
c) Measure system latency
d) Measure system uptime
Answer: b) Measure the percentage of failed transactions
25. Question: Which term refers to the practice of restoring a system to its normal state after an incident?
a) Recovery
b) Restoration
c) Regression
d) Resilience
Answer: a) Recovery
26. Question: What does "Incident Management" involve in SRE?
a) Identifying and analyzing system failures
b) Creating incident reports for non-urgent issues
c) Implementing new features
d) Enhancing system performance
Answer: a) Identifying and analyzing system failures
27. Question: What is the purpose of "Error Propagation" analysis in SRE?
a) Assess the impact of errors on the system
b) Identify the root causes of errors
c) Prevent errors from occurring
d) Optimize system code
Answer: a) Assess the impact of errors on the system
28. Question: What is the goal of "Load Testing" in an SRE context?
a) Test the system's capacity under normal conditions
b) Test the system's capacity under peak conditions
c) Test the system's response time
d) Test the system's security
Answer: b) Test the system's capacity under peak conditions
29. Question: What does "MTTF" stand for in SRE?
a) Mean Time to Fix
b) Mean Time to Failure
c) Mean Time to Recovery
d) Mean Time to Respond
Answer: b) Mean Time to Failure
30. Question: What is the purpose of "Deprecation Planning" in an SRE context?
a) Plan for system upgrades
b) Plan for system decommissioning or removal
c) Plan for system scaling
d) Plan for system security enhancements
Answer: b) Plan for system decommissioning or removal
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