Devops Institute SRE Foundation 問題練習

Question No : 1
What is the primary goal of incident management in SRE?

• A.To minimize downtime and restore service as quickly as possible
• B.To prevent all failures in a system
• C.To assign blame when a failure occurs
• D.To replace monitoring tools with manual checks

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Question No : 2
What techniques help ensure safe deployments in an SRE environment? (Select two)

• A.Implementing rollback mechanisms for failed deployments
• B.Using gradual release strategies such as canary deployments
• C.Deploying all changes at once without any validation
• D.Avoiding testing in staging environments

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Question No : 3
What are best practices for incident detection in SRE? (Select two)

• A.Implementing automated monitoring and alerting systems
• B.Using synthetic testing to proactively identify failures
• C.Ignoring minor alerts to reduce noise
• D.Relying only on customer reports for incident detection

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Question No : 4
In an anti-fragile system, __________ helps improve system resilience by deliberately introducing failures and observing the system’s response.

• A.Chaos engineering
• B.Manual intervention
• C.Error budgeting
• D.Monolithic architecture

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Question No : 5
How does toil reduction benefit an SRE team?

• A.By increasing the number of manual interventions required for system operations
• B.By freeing up engineers to focus on engineering and innovation instead of repetitive tasks
• C.By eliminating the need for automation
• D.Which of the following best describes toil in an SRE environment?

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Question No : 6
Why is measurement important in Site Reliability Engineering (SRE)?

• A.It helps organizations track and improve system reliability and performance
• B.It replaces the need for automation in incident response
• C.It ensures that all systems achieve 100% uptime at all times
• D.It prevents the use of monitoring tools for real-time data collection

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Question No : 7
What strategies can improve incident resolution times? (Select two)

• A.Establishing well-documented incident response procedures
• B.Conducting regular incident response drills
• C.Avoiding communication between teams during incidents
• D.Manually investigating every failure without automation

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Question No : 8
Which of the following is an important metric for measuring system performance?

• A.Service latency
• B.Number of software developers in a team
• C.Total hours spent in meetings
• D.Number of failed login attempts

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Question No : 9
What are common examples of SLIs used in SRE? (Select two)

• A.Response time (latency) of an API request
• B.Number of software developers in a team
• C.Percentage of successful HTTP requests
• D.Frequency of team meetings

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Question No : 10
Why are error budgets important in SRE?

• A.They define acceptable levels of system failure to balance reliability and innovation
• B.They ensure that no failures occur in production systems
• C.They are used to allocate financial resources for incident management
• D.They eliminate the need for SLOs and SLIs

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Question No : 11
How does SRE culture differ from traditional IT operations?

• A.SRE teams prioritize automation and error budgets, whereas IT operations focus on manual processes and strict change controls
• B.IT operations promote continuous deployment, whereas SRE discourages frequent releases
• C.SRE eliminates the need for operations teams
• D.SRE focuses only on monitoring system health and does not participate in deployments

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Question No : 12
What role does caching play in performance optimization?

• A.Reduces the load on backend systems by storing frequently accessed data
• B.Increases the number of database queries to improve accuracy
• C.Disables content delivery networks (CDNs) to prevent latency issues
• D.Ensures all requests go directly to the origin server

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Question No : 13
The practice of using __________ to selectively enable or disable features in production without redeploying is a best practice in SRE.

• A.Feature flags
• B.Static configurations
• C.Manual approvals
• D.Hard-coded logic

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Question No : 14
What is the purpose of blameless postmortems in achieving anti-fragility?

• A.To analyze failures objectively and implement improvements
• B.To identify employees responsible for system failures
• C.To avoid discussing failures to maintain team morale
• D.To prevent future incidents by eliminating all system changes

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Question No : 15
In SRE, toil is considered work that is __________, repetitive, and automatable.

• A.Predictable
• B.Innovative
• C.Strategic
• D.Experimental

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