PDE Ingesting and Processing the Data Practice Question
A data engineer needs to transfer 500 TB of on-premises data to Google Cloud Storage. The data is stored on NAS devices and the network bandwidth is limited to 100 Mbps. What is the most cost-effective and timely transfer method?
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
✓
Use Transfer Appliance
At 100 Mbps, transferring 500 TB over the network would take over 500 days. Transfer Appliance is designed for petabyte-scale offline transfer, shipping a physical appliance to your data center. Other options are not feasible due to bandwidth constraints.
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 Storage Transfer Service over the internet
Why it's wrong here
Limited bandwidth makes this extremely slow.
- ✗
Use a VPN connection and rsync
Why it's wrong here
Still constrained by 100 Mbps; would take too long.
- ✗
Use gsutil cp in parallel
Why it's wrong here
gsutil is still limited by network bandwidth.
- ✓
Use Transfer Appliance
Why this is correct
Transfer Appliance is designed for offline petabyte-scale transfers, avoiding bandwidth limitations.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PDE practice question is part of Courseiva's free Google Cloud 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 PDE exam.