PCDOE Managing service incidents Practice Question
This PCDOE practice question tests your understanding of managing service incidents. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A team uses Google Kubernetes Engine (GKE) with cluster telemetry enabled. During an incident, they notice that a deployment's pods are repeatedly crashing with Exit Code 137. The team wants to investigate the root cause. Which two Google Cloud services should they use together to correlate resource usage and logs?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Cloud Monitoring and Cloud Logging
Exit Code 137 indicates that a container was killed by SIGKILL (signal 9), typically due to an out-of-memory (OOM) condition. Cloud Monitoring provides metrics such as memory usage and OOM kill counts, while Cloud Logging captures the container's termination logs and system events. By correlating these two services, the team can identify when memory usage spiked and confirm that the pod was OOM-killed, enabling root cause analysis.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
Read the scenario before looking for a memorised answer.
✗
Security Command Center and Cloud Logging
Why it's wrong here
Security Command Center is for vulnerabilities, not incident root cause.
✓
Cloud Trace and Cloud Monitoring
Why this is correct
Trace is for request latency, not resource usage or crash logs.
Related concept
Read the scenario before looking for a memorised answer.
✗
Cloud Error Reporting and Cloud Logging
Why it's wrong here
Error Reporting does not show resource metrics.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Google Cloud often tests the distinction between services that handle metrics (Cloud Monitoring) versus logs (Cloud Logging) versus errors (Cloud Error Reporting), and the trap here is that candidates may confuse Cloud Error Reporting with Cloud Logging, not realizing that Error Reporting only surfaces application-level exceptions, not system-level OOM kills or resource metrics.
Trap categories for this question
Command / output trap
Security Command Center is for vulnerabilities, not incident root cause.
Detailed technical explanation
How to think about this question
Exit Code 137 corresponds to a SIGKILL signal (kill -9), which the Linux kernel sends when a process exceeds its memory limit (cgroup memory limit). In GKE, cluster telemetry enables the collection of container resource metrics via the metrics-server and cAdvisor, which are ingested by Cloud Monitoring. Cloud Logging captures the 'OOMKilled' reason in the pod status, and by querying both services together (e.g., using Monitoring dashboards with log-based metrics), engineers can pinpoint the exact timestamp of the OOM event and the memory usage trend leading up to it.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
TExam Day Tips
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Managing service incidents — This question tests Managing service incidents — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Cloud Monitoring and Cloud Logging — Exit Code 137 indicates that a container was killed by SIGKILL (signal 9), typically due to an out-of-memory (OOM) condition. Cloud Monitoring provides metrics such as memory usage and OOM kill counts, while Cloud Logging captures the container's termination logs and system events. By correlating these two services, the team can identify when memory usage spiked and confirm that the pod was OOM-killed, enabling root cause analysis.
What should I do if I get this PCDOE question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Question Discussion
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