DP-300 Log write throughput limit Practice Question
You have an Azure SQL Database in the General Purpose tier. You notice that the log write throughput is consistently above the service tier limit, causing transaction throttling. You need to resolve this without moving to Business Critical. What should you do?
⚠ Common exam trap
Candidates may think that increasing log size or enabling ADR will solve throttling, but only reducing log writes (via batching or minimally logged operations) addresses the throughput limit.
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
✓
Batch transactions and reduce log writes.
Batching transactions reduces the number of log write operations, lowering the log write throughput below the service tier limit and avoiding throttling. Option A is incorrect because increasing the max log size does not affect the log write rate; it only provides more storage. Option C is incorrect because accelerated database recovery (ADR) improves recovery time and may reduce log I/O for crash recovery, but it does not directly reduce the sustained log write throughput from transaction processing. Option D is incorrect because the requirement explicitly states not to move to Business Critical.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Increase the max log size using ALTER DATABASE.
Why it's wrong here
Max log size does not affect throughput limit.
- ✓
Batch transactions and reduce log writes.
Why this is correct
Batching reduces the number of log writes, staying within limits.
- ✗
Enable accelerated database recovery to reduce log I/O.
Why it's wrong here
Accelerated recovery reduces version store I/O, not transaction log throughput.
- ✗
Move to Business Critical tier.
Why it's wrong here
Requirement says not to move to Business Critical.
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Related to this question
Learn chapter
Overview of Azure Data Platform Options
Key term
Azure SQL Performance Tuning
Azure SQL Performance Tuning is the process of optimizing the speed and efficiency of queries and database operations in Microsoft Azure SQL Database or SQL Managed Instance to reduce latency and improve throughput.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This DP-300 practice question is part of Courseiva's free Microsoft 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 DP-300 exam.