This DVA-C02 practice question tests your understanding of 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.
Refer to the exhibit. A developer attached this bucket policy to an S3 bucket. Users from the 192.0.2.0/24 network can access objects, but users from a different network (203.0.113.0/24) get access denied. What change should be made to allow both networks?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Change the Condition to use a list of IP ranges: ["192.0.2.0/24", "203.0.113.0/24"].
Option D is correct because the `aws:SourceIp` condition key accepts a list of IP ranges in an array format. By specifying both `192.0.2.0/24` and `203.0.113.0/24` in the condition, the bucket policy will grant access to requests originating from either network, resolving the access denied error for the second network.
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.
✗
Add a new statement with a different Principal.
Why it's wrong here
The principal is already *; the issue is the IP condition.
✗
Change the Condition to aws:SourceIp: "203.0.113.0/24".
Why it's wrong here
That would only allow the second network.
✗
Remove the Condition block entirely.
Why it's wrong here
That would allow all IPs, which may not be desired.
✓
Change the Condition to use a list of IP ranges: ["192.0.2.0/24", "203.0.113.0/24"].
Why this is correct
A list allows multiple IP ranges.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates mistakenly think the `aws:SourceIp` condition key can only hold a single value, leading them to choose Option B, when in fact it accepts a list of IP ranges to allow multiple networks.
Detailed technical explanation
How to think about this question
The `aws:SourceIp` condition key evaluates the source IP address of the request using the `IpAddress` condition operator, which supports CIDR notation. When multiple IP ranges need to be allowed, they must be specified as a list in the `Condition` block; the policy evaluator checks if the request's source IP matches any entry in the list. In real-world scenarios, this is critical for hybrid architectures where applications access S3 from multiple corporate networks or VPCs with different CIDR blocks.
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 media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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.
Security — This question tests Security — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Change the Condition to use a list of IP ranges: ["192.0.2.0/24", "203.0.113.0/24"]. — Option D is correct because the `aws:SourceIp` condition key accepts a list of IP ranges in an array format. By specifying both `192.0.2.0/24` and `203.0.113.0/24` in the condition, the bucket policy will grant access to requests originating from either network, resolving the access denied error for the second network.
What should I do if I get this DVA-C02 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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