1. Question 1

Who ensures reliability, availability & efficiency of cloud systems?

• ❌ Cloud architect

• ❌ DevOps engineer

• ❌ Cloud security engineer

• ✅ Site reliability engineer

Explanation:
SREs focus specifically on keeping cloud systems reliable and performant.

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2. Question 2

Latency measures…

• ❌ System failures

• ✅ How long it takes a system to return a result

• ❌ How close to capacity a system is

• ❌ How many requests reach a system

Explanation:
Latency = response time.

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3. Question 3

Metric showing how well a service is performing:

• ❌ Service level agreements

• ✅ Service level indicators (SLIs)

• ❌ Service level contracts

• ❌ Service level objectives

Explanation:
SLIs measure actual performance (e.g., uptime, latency).

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4. Question 4

How replication helps resilience:

• ❌ Monitors network traffic

• ❌ Scales infrastructure

• ✅ Creates multiple copies of data/services across servers/locations

• ❌ Duplicates components (that’s redundancy, not replication)

Explanation:
Replication ensures availability even if one instance fails.

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5. Question 5

What should be automated and stored in separate locations for disaster recovery?

• ✅ Backups

• ❌ Log files

• ❌ Inventory data

• ❌ Security patches

Explanation:
Backups ensure fast recovery from failures.

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6. Question 6

Tool that collects latency data:

• ❌ Cloud Monitoring

• ❌ Cloud Logging

• ✅ Cloud Trace

• ❌ Cloud Profiler

Explanation:
Cloud Trace tracks request latency and performance.

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7. Question 7

What does Cloud Profiler do?

• ❌ Crash analysis

• ❌ Infrastructure view

• ✅ Identifies CPU, memory & resource usage of applications

• ❌ Stores logs

Explanation:
Cloud Profiler helps optimize resource usage.

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8. Question 8

Fastest-response support level for critical workloads:

• ❌ Standard Support

• ✅ Premium Support

• ❌ Enhanced Support

• ❌ Basic Support

Explanation:
Premium Support is designed for mission-critical enterprise workloads.

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9. Question 9

Why escalation isn’t always best?

• ❌ Disrupt workflow

• ❌ Increases support cost

• ❌ Affects carbon neutrality

• ❌ Reduces VMs
  ➡️ Correct expected answer:

• ✅ It may disrupt the workflow of the Customer Care team and lead to delays in other cases.

Explanation:
Escalating unnecessarily can slow down support processes for everyone.

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🧾 Summary Table

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