- A
Store database credentials in the function code
Why wrong: Credentials management is separate; this does not solve network access.
- B
Use a NAT Gateway to allow inbound traffic
Why wrong: NAT gateway is for outbound, not inbound to VPC.
- C
Place the Lambda function inside the VPC using VPC configuration
Lambda VPC integration allows the function to access VPC resources privately.
- D
Attach an Internet Gateway to the VPC
Why wrong: Internet gateway exposes to internet, not needed.
Question 409 of 1,000
hardMultiple ChoiceObjective-mapped
CCSP Practice Question: A serverless function needs to access a private…
This CCSP practice question tests your understanding of ccsp exam topics. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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 serverless function needs to access a private RDS database inside a VPC. What configuration is required to enable this without using public IP addresses?
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
✓
Place the Lambda function inside the VPC using VPC configuration
Serverless functions can be configured with VPC integration to access resources inside a VPC via private IP.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Store database credentials in the function code
Why it's wrong here
Credentials management is separate; this does not solve network access.
- ✗
Use a NAT Gateway to allow inbound traffic
- ✓
Place the Lambda function inside the VPC using VPC configuration
Why this is correct
Lambda VPC integration allows the function to access VPC resources privately.
Related concept
Static NAT maps one inside address to one outside address.
- ✗
Attach an Internet Gateway to the VPC
Why it's wrong here
Internet gateway exposes to internet, not needed.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
- Static NAT maps one inside address to one outside address.
- PAT allows many inside hosts to share one public address using ports.
- Inside local and inside global describe the private and translated addresses.
- NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
- Identify inside and outside interfaces first.
- Check whether the scenario needs static NAT, dynamic NAT or PAT.
- Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
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. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Security exam questions test whether you can match controls to threats in context — not just recall definitions.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CCSP NAT questions on configuration and troubleshooting.
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FAQ
Questions learners often ask
What does this CCSP question test?
Static NAT maps one inside address to one outside address.
What is the correct answer to this question?
The correct answer is: Place the Lambda function inside the VPC using VPC configuration — Serverless functions can be configured with VPC integration to access resources inside a VPC via private IP.
What should I do if I get this CCSP question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related CCSP NAT questions on configuration and troubleshooting.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Last reviewed: Jul 4, 2026
This CCSP practice question is part of Courseiva's free ISC2 certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the CCSP exam.
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