- A
Use AWS Direct Connect to establish a private connection.
Why wrong: Direct Connect does not encrypt data by default; additional encryption is needed.
- B
Enable SSL on the source and target endpoints in the DMS task.
DMS supports SSL to encrypt data in transit between endpoints.
- C
Use AWS KMS to encrypt the data before sending.
Why wrong: KMS is for encryption at rest, not in transit.
- D
Set up a VPN connection between the on-premises network and AWS VPC.
Why wrong: While a VPN encrypts traffic, DMS can use SSL directly without a VPN.
Question 1,534 of 1,748
SCS-C02 Data Protection Practice Question
This SCS-C02 practice question tests your understanding of data protection. 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.
A company is using AWS DMS to migrate data from an on-premises Oracle database to Amazon RDS for PostgreSQL. The data must be encrypted in transit. What should the company do?
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
✓
Enable SSL on the source and target endpoints in the DMS task.
Option B is correct because AWS DMS supports SSL/TLS to encrypt data in transit between source and target endpoints. Enabling SSL on both endpoints ensures that the data migration is encrypted over the network. Option A is incorrect because AWS Direct Connect provides a private network connection but does not automatically encrypt traffic; additional encryption like SSL is still required for data in transit. Option C is incorrect because AWS KMS is used for encryption at rest, not for encrypting data in transit. Option D is incorrect because a VPN connection provides a secure tunnel but is not necessary; DMS can use SSL directly on the endpoints, which is a simpler solution.
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.
- ✗
Use AWS Direct Connect to establish a private connection.
Why it's wrong here
Direct Connect does not encrypt data by default; additional encryption is needed.
- ✓
Enable SSL on the source and target endpoints in the DMS task.
Why this is correct
DMS supports SSL to encrypt data in transit between endpoints.
Related concept
Standard ACLs match source addresses.
- ✗
Use AWS KMS to encrypt the data before sending.
Why it's wrong here
KMS is for encryption at rest, not in transit.
- ✗
Set up a VPN connection between the on-premises network and AWS VPC.
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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.
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 SCS-C02 ACL questions on filtering logic and placement.
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Data Protection — study guide chapter
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Data Protection practice questions
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FAQ
Questions learners often ask
What does this SCS-C02 question test?
Data Protection — This question tests Data Protection — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Enable SSL on the source and target endpoints in the DMS task. — Option B is correct because AWS DMS supports SSL/TLS to encrypt data in transit between source and target endpoints. Enabling SSL on both endpoints ensures that the data migration is encrypted over the network. Option A is incorrect because AWS Direct Connect provides a private network connection but does not automatically encrypt traffic; additional encryption like SSL is still required for data in transit. Option C is incorrect because AWS KMS is used for encryption at rest, not for encrypting data in transit. Option D is incorrect because a VPN connection provides a secure tunnel but is not necessary; DMS can use SSL directly on the endpoints, which is a simpler solution.
What should I do if I get this SCS-C02 question wrong?
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 SCS-C02 ACL questions on filtering logic and placement.
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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