SRE Foundation 実際試験問題と解答 - 模擬練習 - 受験自信を増やす

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

正解:

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

正解:

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

正解:

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

正解:

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?

正解:

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

正解:

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

正解:

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

正解:

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

正解:

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

正解:

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

正解:

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

正解:

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

正解:

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

正解:

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

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

正解:

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