CCSP Cloud Platform and Infrastructure Security Practice Question
This CCSP practice question tests your understanding of cloud platform and infrastructure security. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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.
Exhibit
[Error] Failed to launch instance i-123456:
InsufficientInstanceCapacity – There is no capacity available for the requested instance type in this Availability Zone.
Refer to the exhibit. A cloud administrator sees this error when trying to provision an EC2 instance. Which is the best course of action?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
[Error] Failed to launch instance i-123456:
InsufficientInstanceCapacity – There is no capacity available for the requested instance type in this Availability Zone.
A
Launch the instance in a different Availability Zone.
Different AZs may have available capacity.
B
Create a new VPC and try again.
Why wrong: VPC does not affect AZ capacity.
C
Wait 24 hours for capacity to become available.
Why wrong: Waiting is unpredictable and may not address the immediate need.
D
Increase the instance size to a larger type.
Why wrong: A larger instance may also face capacity issues in the same AZ.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Launch the instance in a different Availability Zone.
The error indicates an 'InsufficientInstanceCapacity' failure, which means the specific Availability Zone lacks enough resources (e.g., CPU, memory, or network capacity) to launch the requested EC2 instance type. The best course of action is to launch the instance in a different Availability Zone within the same region, as capacity constraints are typically zone-specific and not region-wide. This approach avoids unnecessary VPC creation or waiting, and it directly addresses the resource scarcity at the zone level.
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.
✓
Launch the instance in a different Availability Zone.
Why this is correct
Different AZs may have available capacity.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Create a new VPC and try again.
Why it's wrong here
VPC does not affect AZ capacity.
✗
Wait 24 hours for capacity to become available.
Why it's wrong here
Waiting is unpredictable and may not address the immediate need.
✗
Increase the instance size to a larger type.
Why it's wrong here
A larger instance may also face capacity issues in the same AZ.
Common exam traps
Common exam trap: answer the scenario, not the keyword
ISC2 often tests the misconception that capacity errors are region-wide or can be fixed by modifying the VPC or instance size, when in fact the solution is to change the Availability Zone or instance family to access unused capacity pools.
Detailed technical explanation
How to think about this question
AWS EC2 capacity is managed per Availability Zone, and each zone has a finite pool of compute resources (e.g., vCPUs, memory, and EBS throughput). The 'InsufficientInstanceCapacity' error occurs when the zone's allocation for a specific instance family or size is exhausted, often due to high demand or reserved capacity consumption. In real-world scenarios, using On-Demand instances in a different zone or switching to a different instance family (e.g., from t3 to m5) can bypass the constraint, as AWS distributes capacity unevenly across zones.
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 security analyst at a medium-sized enterprise encounters this scenario during an investigation or architecture review. The correct answer reflects best practice for the specific threat or control described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
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.
Cloud Platform and Infrastructure Security — This question tests Cloud Platform and Infrastructure Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Launch the instance in a different Availability Zone. — The error indicates an 'InsufficientInstanceCapacity' failure, which means the specific Availability Zone lacks enough resources (e.g., CPU, memory, or network capacity) to launch the requested EC2 instance type. The best course of action is to launch the instance in a different Availability Zone within the same region, as capacity constraints are typically zone-specific and not region-wide. This approach avoids unnecessary VPC creation or waiting, and it directly addresses the resource scarcity at the zone level.
What should I do if I get this CCSP question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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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