Question 1,260 of 1,446
PCDE Practice Question: Manage a solution that can span multiple database technologies
You are monitoring Cloud Bigtable replication lag. Which metric should you use to determine if replicas are up to date, and what consistency level is typical for Bigtable replication?
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 'replication_lag' metric; consistency is eventually consistent.
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 'replication_lag' metric; consistency is eventually consistent.
Why this is correct
Bigtable replication is asynchronous and eventually consistent; the 'replication_lag' metric measures the delay.
- ✗
Use 'cluster_lag' metric; consistency is read-your-writes consistent.
Why it's wrong here
No such metric; read-your-writes is not guaranteed.
- ✗
Use 'replica_lag' metric; consistency is strongly consistent.
Why it's wrong here
The metric is 'replication_lag' not 'replica_lag', and consistency is eventually consistent.
- ✗
Use 'replication_lag' metric; consistency is strongly consistent.
Why it's wrong here
Bigtable replication does not provide strong consistency.
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Last reviewed: Jul 4, 2026
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.
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