Question 160 of 966

Manage and secure Power BI →mediumMultiple ChoiceObjective-mapped

Quick Answer

The correct answer is to use the on-premises data gateway in standard mode with Kerberos constrained delegation for single sign-on. This configuration allows the gateway to impersonate the user’s Windows identity when connecting to SQL Server, enabling scheduled refresh without storing credentials in the dataset. On the PL-300 exam, this scenario tests your understanding of how on-premises data gateway Kerberos constrained delegation supports seamless Windows authentication for Power BI datasets, a common requirement in enterprise environments. A frequent trap is confusing the personal mode gateway, which caches credentials and is limited to a single user, or assuming a VNet gateway applies to on-premises sources. Remember the key distinction: standard mode plus Kerberos delegation means no stored passwords—think “delegate, don’t store” for SSO success.

PL-300 Manage and secure Power BI Practice Question

This PL-300 practice question tests your understanding of manage and secure power bi. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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.

Exhibit

{
  "dataSources": [
    {
      "name": "SalesDB",
      "connectionString": "Data Source=sqlserver.contoso.com;Initial Catalog=Sales;Integrated Security=SSPI;"
    }
  ],
  "datasets": [
    {
      "name": "SalesDataset",
      "tables": [
        {
          "name": "Orders",
          "columns": [
            {"name": "OrderID", "dataType": "int"},
            {"name": "CustomerID", "dataType": "int"},
            {"name": "Amount", "dataType": "decimal"}
          ]
        }
      ]
    }
  ]
}

Refer to the exhibit. A Power BI administrator is reviewing a dataset configuration exported from a workspace. The dataset connects to an on-premises SQL Server using Windows authentication. The administrator wants to configure a gateway to support scheduled refresh without storing credentials. Which gateway type and configuration should be used?

Question 1mediummultiple choice

Full question →

Exhibit

{
  "dataSources": [
    {
      "name": "SalesDB",
      "connectionString": "Data Source=sqlserver.contoso.com;Initial Catalog=Sales;Integrated Security=SSPI;"
    }
  ],
  "datasets": [
    {
      "name": "SalesDataset",
      "tables": [
        {
          "name": "Orders",
          "columns": [
            {"name": "OrderID", "dataType": "int"},
            {"name": "CustomerID", "dataType": "int"},
            {"name": "Amount", "dataType": "decimal"}
          ]
        }
      ]
    }
  ]
}

A
Use the on-premises data gateway (standard mode) and configure Kerberos constrained delegation for single sign-on
Kerberos delegation allows seamless Windows authentication without storing credentials.
B
Use the on-premises data gateway (standard mode) and store the connection string in the gateway
Why wrong: The gateway uses the dataset's connection string; no need to store in gateway.
C
Use the on-premises data gateway (personal mode) and store the Windows credentials in the gateway
Why wrong: Personal gateway is single-user and caches credentials.
D
Use the virtual network (VNet) gateway and configure a service principal
Why wrong: VNet gateway is for cloud data sources in Azure VNets.

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

✓

Use the on-premises data gateway (standard mode) and configure Kerberos constrained delegation for single sign-on

Option D is correct because the on-premises data gateway supports Windows authentication via Kerberos constrained delegation, allowing refresh without storing credentials. Option A is wrong because the personal gateway is only for a single user and requires credentials. Option B is wrong because the VNet gateway is for Azure VNets, not on-premises. Option C is wrong because the on-premises data gateway does not need a connection string stored in the gateway; it uses the dataset's connection string.

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.

✓
Use the on-premises data gateway (standard mode) and configure Kerberos constrained delegation for single sign-on
Why this is correct
Kerberos delegation allows seamless Windows authentication without storing credentials.
Related concept
Read the scenario before looking for a memorised answer.
✗
Use the on-premises data gateway (standard mode) and store the connection string in the gateway
Why it's wrong here
The gateway uses the dataset's connection string; no need to store in gateway.
✗
Use the on-premises data gateway (personal mode) and store the Windows credentials in the gateway
Why it's wrong here
Personal gateway is single-user and caches credentials.
✗
Use the virtual network (VNet) gateway and configure a service principal
Why it's wrong here
VNet gateway is for cloud data sources in Azure VNets.

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 company's IT admin needs to give a contractor read-only access to production logs without sharing account credentials. Using role-based access control (RBAC) and temporary scoped permissions — not a permanent shared password — is the correct pattern. Questions like this test whether you can apply least-privilege access across cloud identity services.

What to study next

Got this wrong? Here's your next step.

Identify which PL-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.

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FAQ

Questions learners often ask

What does this PL-300 question test?

Manage and secure Power BI — This question tests Manage and secure Power BI — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Use the on-premises data gateway (standard mode) and configure Kerberos constrained delegation for single sign-on — Option D is correct because the on-premises data gateway supports Windows authentication via Kerberos constrained delegation, allowing refresh without storing credentials. Option A is wrong because the personal gateway is only for a single user and requires credentials. Option B is wrong because the VNet gateway is for Azure VNets, not on-premises. Option C is wrong because the on-premises data gateway does not need a connection string stored in the gateway; it uses the dataset's connection string.

What should I do if I get this PL-300 question wrong?

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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Last reviewed: Jun 21, 2026

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