The answer is the target, SLI, and compliance window. In Cloud Monitoring, an SLO configuration requires these three mandatory components because the SLI defines the specific metric being measured—in this case, the proportion of requests under 200ms—while the target sets the threshold for success, such as 99.9%, and the compliance window establishes the time period over which that target must be met, like 30 days. On the Google Professional Cloud Developer exam, this tests your understanding that an SLO is incomplete without all three; a common trap is thinking only the SLI and target are needed, forgetting that the compliance window defines the evaluation period. Remember the mnemonic “STC” for SLI, Target, Compliance window—if any one is missing, you don’t have a valid SLO configuration.
PCD Managing application performance monitoring Practice Question
This PCD practice question tests your understanding of managing application performance monitoring. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 company is using Cloud Monitoring to set up an SLO for a latency-sensitive API. They have defined a custom SLI: the proportion of requests with latency under 200ms. Which three components must they define to create a complete SLO configuration? (Choose three.)
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
A target (e.g., 99.9%)
Option A is correct because a target (e.g., 99.9%) defines the desired proportion of good events over a compliance window, which is essential for an SLO. In Cloud Monitoring, the target is the threshold against which the SLI is measured to determine if the SLO is met.
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.
✓
A target (e.g., 99.9%)
Why this is correct
Correct: the desired success rate.
Related concept
Read the scenario before looking for a memorised answer.
✓
An SLI definition with a good/bad time series
Why this is correct
Correct: defines what constitutes a good request (latency <200ms).
Related concept
Read the scenario before looking for a memorised answer.
✗
A burn rate alert policy
Why it's wrong here
Burn rate alerts are optional, not required to define the SLO.
✗
A metric threshold alert
Why it's wrong here
Metric threshold alerts are independent of SLO definition.
✓
A window of compliance (e.g., 30 days)
Why this is correct
Correct: determines the period over which the SLO is measured.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests that candidates confuse optional alerting policies (burn rate alerts, metric threshold alerts) with the mandatory components of an SLO configuration, which are strictly the SLI, target, and compliance window.
Detailed technical explanation
How to think about this question
An SLO in Cloud Monitoring requires three core components: an SLI definition (which generates a good/bad time series), a target (the percentage of good requests over the window), and a compliance window (the time period over which the target is evaluated). The SLI definition typically uses a metric threshold filter to classify each request as good (latency < 200ms) or bad, creating a time series that the SLO consumes. Without the compliance window, the SLO cannot calculate the rolling compliance rate, making it incomplete.
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 application performance monitoring — This question tests Managing application performance monitoring — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: A target (e.g., 99.9%) — Option A is correct because a target (e.g., 99.9%) defines the desired proportion of good events over a compliance window, which is essential for an SLO. In Cloud Monitoring, the target is the threshold against which the SLI is measured to determine if the SLO is met.
What should I do if I get this PCD 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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