The correct approach is to write a T-SQL script that uses sys.dm_db_index_physical_stats and ALTER INDEX REBUILD, then wrap it in a stored procedure that filters for fragmentation above 30%, schedule it via SQL Agent, and log results to a table. This works because Azure SQL Managed Instance supports full SQL Agent functionality, allowing you to create and schedule T-SQL jobs directly on the instance, unlike Azure SQL Database which lacks agent-based scheduling. On the DP-300 exam, this scenario tests your understanding of the critical difference between Managed Instance and Azure SQL Database—many candidates mistakenly choose Elastic Jobs or Azure Automation runbooks, but those are either unsupported or require complex hybrid worker setups for Managed Instance. The exam traps you by offering familiar automation tools that don’t apply here, so remember: Managed Instance = SQL Agent, not Elastic Jobs. Memory tip: “MI runs Agent, DB runs Elastic” — if you see Managed Instance, think native SQL Agent jobs.
DP-300 Configure and manage automation of tasks Practice Question
This DP-300 practice question tests your understanding of configure and manage automation of tasks. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
Your company uses Azure SQL Managed Instance for a critical application. You need to automate the process of rebuilding all indexes that have fragmentation above 30% across all databases on the instance. The automation must run every Sunday at 2:00 AM and must log the results to a table. Which three steps should you take to implement this automation?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Create a logging table in a database to record start time, end time, and status.
Option A is correct because SQL Agent can run T-SQL jobs on Managed Instance. Option C is correct because creating a stored procedure to check fragmentation and rebuild indexes is a standard approach. Option D is correct because logging to a table is necessary for tracking. Option B is incorrect because Azure Automation runbooks cannot directly connect to SQL Managed Instance easily without hybrid workers. Option E is incorrect because Elastic Jobs is for Azure SQL Database, not Managed Instance.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✓
Create a logging table in a database to record start time, end time, and status.
Why this is correct
Logging is required for tracking the automation.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use an Azure Automation runbook with the PowerShell module SqlServer to connect and run the maintenance.
Why it's wrong here
Requires a hybrid worker and is more complex than using SQL Agent.
✓
Create a SQL Agent job on the Managed Instance scheduled for Sunday at 2:00 AM.
Why this is correct
SQL Agent is available on Managed Instance and can schedule jobs.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use Elastic Database Jobs to run the script across all databases.
Why it's wrong here
Elastic Jobs is not available for Managed Instance.
✓
Write a T-SQL script that uses sys.dm_db_index_physical_stats and ALTER INDEX REBUILD.
Why this is correct
This script can be executed by the SQL Agent job.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Detailed technical explanation
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
Read the scenario before looking for a memorised answer.
Find the constraint that changes the correct option.
Eliminate answers that are true in general but not in this case.
Use explanations to understand the rule behind the answer.
TExam Day Tips
→Underline the problem statement mentally.
→Watch for words such as best, first, most likely and least administrative effort.
→Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Related glossary terms
Concepts from this question explained
These glossary pages explain the core terms tested in this DP-300 question in full detail.
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
Configure and manage automation of tasks — This question tests Configure and manage automation of tasks — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Create a logging table in a database to record start time, end time, and status. — Option A is correct because SQL Agent can run T-SQL jobs on Managed Instance. Option C is correct because creating a stored procedure to check fragmentation and rebuild indexes is a standard approach. Option D is correct because logging to a table is necessary for tracking. Option B is incorrect because Azure Automation runbooks cannot directly connect to SQL Managed Instance easily without hybrid workers. Option E is incorrect because Elastic Jobs is for Azure SQL Database, not Managed Instance.
What should I do if I get this DP-300 question wrong?
Identify which DP-300 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. You manage an Azure SQL Database that supports a critical application. You need to automate the process of rebuilding indexes that have fragmentation above 30% on a weekly basis. The solution must use built-in database features and minimize performance impact. What should you do?
medium
A.Create a SQL Agent job that runs ALTER INDEX REBUILD on all indexes with fragmentation >30%.
B.Use Azure Automation to run a PowerShell script that checks fragmentation and rebuilds indexes.
✓ C.Enable automatic tuning and set the 'Force plan' and 'Create index' options.
D.Schedule a weekly job using elastic jobs to reorganize all indexes.
Why C: Option C is correct because Azure SQL Database's automatic tuning feature includes the 'Create index' option, which can automatically rebuild indexes with high fragmentation when enabled. This uses built-in database features without requiring external scripts or jobs, and it minimizes performance impact by leveraging the database engine's own intelligent scheduling and execution.
Last reviewed: Jun 21, 2026
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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.
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