PCDE Migrate data solutions Practice Question
A team is migrating an on-premises MySQL database to Cloud SQL using DMS with continuous CDC. The source database uses public IP. The DMS connection profile for the source requires IP allowlisting. Which IP addresses should be allowlisted?
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
✓
The IP address of the DMS service in the region of the destination.
DMS uses a managed VPC network; the outgoing IPs come from the region where the DMS job runs. These are published as a range and must be allowlisted on the source.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
The IP address of the Cloud SQL Auth Proxy.
Why it's wrong here
Cloud SQL Auth Proxy is not used for DMS connectivity.
- ✗
The public IP of the Cloud SQL instance.
Why it's wrong here
DMS connects from its own service, not from Cloud SQL.
- ✓
The IP address of the DMS service in the region of the destination.
Why this is correct
DMS uses a specific IP range for the region; this must be allowlisted on the source firewall.
- ✗
The private IP range of the destination VPC.
Why it's wrong here
For public IP source, allowlisting is needed for DMS public IPs.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This PCDE 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 PCDE exam.