Question 685 of 851

Develop data processing →hardMultiple ChoiceObjective-mapped

DP-203 Develop data processing Practice Question

This DP-203 practice question tests your understanding of develop data processing. 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.

You are troubleshooting a Synapse Pipeline that runs a Copy activity from an on-premises SQL Server to Azure Synapse Dedicated SQL Pool. The pipeline fails with the error: 'Failure happened on 'Source' side. ErrorCode=SqlOperationFailed.' The on-premises SQL Server has no firewall restrictions. What is the most likely cause?

Clue words in this question

Noticing these words before you look at the options changes how you read each choice.

Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

A
Staging is not enabled for the Copy activity.
Why wrong: Staging is optional and not required for basic copy operations; its absence would not cause a source-side error.
B
The destination table in Synapse has a different schema.
Why wrong: A schema mismatch would fail on the sink side, not the source side.
C
The SQL Server credentials in the linked service are incorrect.
Why wrong: Incorrect credentials would cause a login failure, but the error is generic 'SqlOperationFailed' and could be connectivity-related.
D
The self-hosted integration runtime is not configured properly.
A self-hosted integration runtime is required to connect from Azure to on-premises networks; misconfiguration is a common cause of source-side failures.

Full breakdown with real-world context →

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 self-hosted integration runtime is not configured properly.

The error 'Failure happened on 'Source' side. ErrorCode=SqlOperationFailed' indicates that the Copy activity cannot connect to the on-premises SQL Server. Since the question states there are no firewall restrictions, the most likely cause is that the self-hosted integration runtime (SHIR) is not properly configured, registered, or running. The SHIR is required to bridge the on-premises network to Azure, and if it is not correctly set up, the source connection will fail.

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.

✗
Staging is not enabled for the Copy activity.
Why it's wrong here
Staging is optional and not required for basic copy operations; its absence would not cause a source-side error.
✗
The destination table in Synapse has a different schema.
Why it's wrong here
A schema mismatch would fail on the sink side, not the source side.
✗
The SQL Server credentials in the linked service are incorrect.
Why it's wrong here
Incorrect credentials would cause a login failure, but the error is generic 'SqlOperationFailed' and could be connectivity-related.
✓
The self-hosted integration runtime is not configured properly.
Why this is correct
A self-hosted integration runtime is required to connect from Azure to on-premises networks; misconfiguration is a common cause of source-side failures.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often assume the error is due to credentials or schema mismatches, but the source-side failure with 'SqlOperationFailed' in an on-premises scenario almost always points to the self-hosted integration runtime connectivity, not the SQL Server itself.

Detailed technical explanation

How to think about this question

The self-hosted integration runtime uses a Windows service to execute data movement between on-premises and cloud. It must be registered with a unique authentication key from the Azure Data Factory portal, and the service must be running on the machine that can reach the SQL Server. Common misconfigurations include using an expired key, incorrect network proxy settings, or the service not being started. The error 'SqlOperationFailed' often masks underlying connectivity issues when the SHIR cannot resolve the SQL Server hostname or the SQL Server Browser service is not running.

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.

TExam Day Tips

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 healthcare organisation deploys an application with a public-facing web tier and a private database tier. The database subnet has no public IP and only accepts connections from the web tier's security group. Questions like this test whether you can design cloud network isolation using VNets/VPCs, subnets, and security group rules.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this DP-203 question test?

Develop data processing — This question tests Develop data processing — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: The self-hosted integration runtime is not configured properly. — The error 'Failure happened on 'Source' side. ErrorCode=SqlOperationFailed' indicates that the Copy activity cannot connect to the on-premises SQL Server. Since the question states there are no firewall restrictions, the most likely cause is that the self-hosted integration runtime (SHIR) is not properly configured, registered, or running. The SHIR is required to bridge the on-premises network to Azure, and if it is not correctly set up, the source connection will fail.

What should I do if I get this DP-203 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

Are there clue words in this question I should notice?

Yes — watch for: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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