PAS-C01 Design of SAP Workloads on AWS Practice Question
A company is planning to run SAP S/4HANA on AWS. They need to ensure that the SAP system can be accessed from the corporate network via a secure VPN connection. Which AWS service should be used to establish this connectivity?
⚠ Common exam trap
It's easy for candidates to confuse AWS Client VPN (remote access for individual users) with Site-to-Site VPN (network-to-network connectivity), or assume Transit Gateway alone provides VPN connectivity without understanding it requires a VPN attachment.
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
✓
AWS Site-to-Site VPN
AWS Site-to-Site VPN creates a secure IPsec tunnel between the corporate network's on-premises VPN device and a Virtual Private Gateway (VGW) attached to the VPC hosting the SAP S/4HANA system. This enables encrypted communication over the public internet, meeting the requirement for secure VPN connectivity from the corporate network to the SAP workload.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Client VPN
Why it's wrong here
Client VPN is for individual remote devices, not site-to-site.
- ✗
AWS Transit Gateway
Why it's wrong here
Transit Gateway is a hub for interconnecting VPCs and on-premises networks.
- ✓
AWS Site-to-Site VPN
Why this is correct
Provides secure IPsec VPN between corporate network and AWS VPC.
- ✗
AWS Direct Connect
Why it's wrong here
Direct Connect is a dedicated physical connection, not a VPN.
Quick reference
VPN Protocol Comparison
| Protocol | Port | Encryption | Authentication | Use Case |
|---|---|---|---|---|
| IKEv2 / IPsec | UDP 500 / 4500 | AES-256 | Certificates / PSK | Site-to-site & remote access |
| SSL / TLS VPN | TCP 443 | TLS 1.3 | Certificates / MFA | Clientless remote access |
| L2TP / IPsec | UDP 1701 | AES (IPsec) | PSK / Certificates | Legacy remote access |
| WireGuard | UDP 51820 | ChaCha20 | Public keys | Modern high-performance VPN |
| PPTP | TCP 1723 | MPPE (weak) | MS-CHAPv2 | Legacy — avoid in production |
PPTP is considered insecure. IKEv2/IPsec and SSL VPN are the current recommended options.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services 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 PAS-C01 exam.