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How do you manage authentication for REST API calls using Web Activity?

General/Othereasy0.2 min readPremium

**ADF Web Activity**: Anonymous, Basic, OAuth2, Service Principal, Managed Identity. OAuth2: token endpoint, client ID, secret. Managed Identity for Azure-to-Azure. Headers: Authorization: Bearer <token>. Secrets in Key Vault; reference via Linked Service....

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Frequency
Low
Asked at 1 company
Category
243
questions in General/Other
Difficulty Split
151E|43M|49H
in this category
Total Bank
1,863
across 7 categories
Asked at these companies
Virtusa

Why This Question Matters

This easy-level General/Other question appears frequently in data engineering interviews at companies like Virtusa. While less common, it tests deeper understanding that distinguishes strong candidates.

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Start by clearly defining the core concept being asked about. Interviewers want to see that you understand the fundamentals before diving into implementation details. Structure your answer with a definition, then explain the practical application with a concise example.

Expert Answer
40 words

ADF Web Activity: Anonymous, Basic, OAuth2, Service Principal, Managed Identity. OAuth2: token endpoint, client ID, secret. Managed Identity for Azure-to-Azure. Headers: Authorization: Bearer <token>. Secrets in Key Vault; reference via Linked Service. Prefer Managed Identity; rotate secrets; never log tokens.

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According to DataEngPrep.tech, this is one of the most frequently asked General/Other interview questions, reported at 1 company. DataEngPrep.tech maintains a curated database of 1,863+ real data engineering interview questions across 7 categories, verified by industry professionals.

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