PAS-C01 Migration Practice Question
A retail company is migrating its SAP ERP system to AWS. The system includes an SAP HANA database (1 TB) and an SAP NetWeaver application server. The migration strategy is to use AWS Database Migration Service (DMS) for the database and then manually install the application server on an EC2 instance. The network connection is AWS Direct Connect with 1 Gbps bandwidth. During the migration, the DMS task for the database completes successfully, but the application server installation fails because the SAP installation media is not accessible. The installation media is stored on an on-premises file server. The EC2 instance for the application server is in a private subnet with no direct internet access. The administrator has created a VPC endpoint for S3 to access the media, but the media is not in S3. Which step should the administrator take to make the installation media available?
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
✓
Add a route in the VPC route table to direct traffic to the on-premises network via Direct Connect.
The installation media resides on an on-premises file server. The EC2 instance is in a private subnet connected via Direct Connect. To access the on-premises network, the administrator must add a route in the VPC route table that directs traffic for the on-premises IP range to the Direct Connect virtual interface (VIF). Option A involves an unnecessary copy to S3. Option C introduces internet exposure. Option D is for caching on-premises data to S3 but does not resolve routing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Copy the installation media to an S3 bucket and use the VPC endpoint to access it.
Why it's wrong here
Copying the media to S3 is unnecessary because the media is already on-premises and can be accessed via Direct Connect without moving it to S3. This adds extra steps.
- ✓
Add a route in the VPC route table to direct traffic to the on-premises network via Direct Connect.
Why this is correct
Adding a route in the VPC route table to direct traffic to the on-premises network via Direct Connect allows the EC2 instance in the private subnet to communicate directly with the on-premises file server.
- ✗
Attach an internet gateway to the VPC and assign a public IP to the EC2 instance.
Why it's wrong here
Attaching an internet gateway and assigning a public IP is not required because the media is on-premises, not on the internet. This also introduces unnecessary security risks.
- ✗
Use AWS Storage Gateway to cache the media in S3.
Why it's wrong here
AWS Storage Gateway is used to provide on-premises access to cloud storage, but here the media is on-premises and the instance needs to access it directly. Storage Gateway does not solve the routing issue.
Visual reference
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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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.