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Question 593 of 1,740

Incident and Event Response →hardMultiple ChoiceObjective-mapped

DOP-C02 Incident and Event Response Practice Question

This DOP-C02 practice question tests your understanding of incident and event response. 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

Refer to the exhibit.

IAM Policy JSON:
```json
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": "s3:PutObject",
            "Resource": "arn:aws:s3:::my-bucket/*",
            "Condition": {
                "StringEquals": {
                    "s3:x-amz-server-side-encryption": "AES256"
                }
            }
        },
        {
            "Effect": "Deny",
            "Action": "s3:PutObject",
            "Resource": "arn:aws:s3:::my-bucket/*",
            "Condition": {
                "StringNotEquals": {
                    "s3:x-amz-server-side-encryption": "AES256"
                }
            }
        }
    ]
}
```

Refer to the exhibit. An IAM policy is attached to a user. The user tries to upload an object to 'my-bucket' without specifying server-side encryption. What will happen?

Question 1hardmultiple choice

Full question →

Exhibit

Refer to the exhibit.

IAM Policy JSON:
```json
{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": "s3:PutObject",
            "Resource": "arn:aws:s3:::my-bucket/*",
            "Condition": {
                "StringEquals": {
                    "s3:x-amz-server-side-encryption": "AES256"
                }
            }
        },
        {
            "Effect": "Deny",
            "Action": "s3:PutObject",
            "Resource": "arn:aws:s3:::my-bucket/*",
            "Condition": {
                "StringNotEquals": {
                    "s3:x-amz-server-side-encryption": "AES256"
                }
            }
        }
    ]
}
```

A
The upload is denied because the Allow statement requires encryption.
Why wrong: The Allow statement does not match, but the Deny statement explicitly denies.
B
The upload is denied because of the Deny statement.
The Deny statement explicitly denies requests without AES256 encryption.
C
The upload is allowed because the Allow statement grants permission.
Why wrong: The Allow statement requires a condition that is not satisfied.
D
The upload is allowed because no encryption header is specified.
Why wrong: The Deny statement catches requests without encryption.

Full breakdown with real-world context →

Answer choices

Why each option matters

Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.

Correct answer & explanation

✓

The upload is denied because of the Deny statement.

Option A is correct. The Allow statement requires encryption AES256, but the request does not specify encryption, so the condition is not met. The Deny statement catches any request that does not have encryption set to AES256 (since it uses StringNotEquals). The explicit Deny overrides any Allow, so the request is denied. Option B is wrong because the Deny statement is more specific. Option C is wrong because the Allow statement has a condition that is not met. Option D is wrong because the request is not allowed.

Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

Answer analysis

Option-by-option breakdown

For each option: why learners choose it and why it is or isn't the right answer here.

✗
The upload is denied because the Allow statement requires encryption.
Why it's wrong here
The Allow statement does not match, but the Deny statement explicitly denies.
✓
The upload is denied because of the Deny statement.
Why this is correct
The Deny statement explicitly denies requests without AES256 encryption.
Related concept
Standard ACLs match source addresses.
✗
The upload is allowed because the Allow statement grants permission.
Why it's wrong here
The Allow statement requires a condition that is not satisfied.
✗
The upload is allowed because no encryption header is specified.
Why it's wrong here
The Deny statement catches requests without encryption.

Common exam traps

Common exam trap: ACLs stop at the first match

ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.

Detailed technical explanation

How to think about this question

ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.

KKey Concepts to Remember

Standard ACLs match source addresses.
Extended ACLs can match source, destination, protocol and ports.
The first matching ACL entry is used.
There is usually an implicit deny at the end.

TExam Day Tips

Check inbound versus outbound direction.
Read the ACL from top to bottom.
Look for a broader permit or deny above the intended line.

Key takeaway

ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.

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.

Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related DOP-C02 ACL questions on filtering logic and placement.

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FAQ

Questions learners often ask

What does this DOP-C02 question test?

Incident and Event Response — This question tests Incident and Event Response — Standard ACLs match source addresses..

What is the correct answer to this question?

The correct answer is: The upload is denied because of the Deny statement. — Option A is correct. The Allow statement requires encryption AES256, but the request does not specify encryption, so the condition is not met. The Deny statement catches any request that does not have encryption set to AES256 (since it uses StringNotEquals). The explicit Deny overrides any Allow, so the request is denied. Option B is wrong because the Deny statement is more specific. Option C is wrong because the Allow statement has a condition that is not met. Option D is wrong because the request is not allowed.

What should I do if I get this DOP-C02 question wrong?

What is the key concept behind this question?

Standard ACLs match source addresses.

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Last reviewed: Jun 20, 2026

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