Question 1,095 of 1,663
DBS-C01 Oracle Native Network Encryption (NNE) Practice Question
A company is migrating an on-premises Oracle database to Amazon RDS for Oracle. The security team requires that all connections to the database use Oracle Native Network Encryption (NNE). How should this be configured?
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
✓
Create a custom DB parameter group with the encryption parameters set to REQUIRED.
RDS for Oracle supports Oracle Native Network Encryption (NNE) through custom DB parameter groups. You must set the SQLNET.ENCRYPTION_SERVER parameter to REQUIRED and optionally specify encryption types. Option A (IAM database authentication) does not encrypt the network connection. Option B is incorrect because RDS does not allow direct editing of sqlnet.ora files; parameter groups are the correct method. Option D (encryption at rest) protects stored data, not data in transit.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Enable IAM database authentication.
Why it's wrong here
IAM database authentication controls user access, not network encryption; it does not encrypt the connection itself.
- ✗
Modify the sqlnet.ora file on the RDS instance to require encryption.
Why it's wrong here
RDS does not allow direct OS file access.
- ✓
Create a custom DB parameter group with the encryption parameters set to REQUIRED.
Why this is correct
Correct. A custom DB parameter group allows setting the SQLNET.ENCRYPTION_SERVER and SQLNET.ENCRYPTION_TYPES parameters to enforce NNE for all connections.
- ✗
Enable encryption at rest using Oracle TDE.
Why it's wrong here
TDE encrypts data at rest, not in transit.
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Last reviewed: Jun 20, 2026
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