Is the dynamic keyword the same as var? Explain.
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Asked in 2026 · C#
PwC interview questions and experiences
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Questions
Explain type casting of null.
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Asked in 2026 · Software Engineering
Which DI lifetime would you choose for a logging service and an email service?
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Asked in 2026 · .NET
Explain the DI lifecycles (Transient, Scoped, and Singleton).
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Asked in 2026 · .NET, C#
Explain Dependency Injection (DI).
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Asked in 2026 · .NET
How would you renew a JWT token?
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Asked in 2026 · Authentication & Security
Explain the lifecycle of a JWT token.
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Asked in 2026 · Authentication & Security
If a pipeline execution fails, what would be your rollback strategy?
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Asked in 2026 · DevOps
Explain a CI/CD pipeline.
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Asked in 2026 · DevOps
What is CI/CD integration?
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Asked in 2026 · DevOps
What happens if the length is negative? Would the method return a negative value?
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Asked in 2026 · Software Engineering
Write code to calculate the area of a rectangle using an interface.
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Asked in 2026 · C#
object is a reference type. Predict the output of a code snippet based on this concept.
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Asked in 2026 · Software Engineering
Explain method overloading.
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Asked in 2026 · C#
Can polymorphism be implemented without using interfaces and inheritance?
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Asked in 2026 · C#
Explain JWT vs OAuth.
PwC · not-specified · 0 answers
Asked in 2026 · Authentication & Security
Explain any one SOLID principle.
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Asked in 2026 · C#
LINQ creates many objects. Will it consume more memory?
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Asked in 2026 · C#
Which is faster: LINQ or foreach?
PwC · not-specified · 0 answers
Asked in 2026 · C#
Explain the Garbage Collector in .NET.
PwC · not-specified · 0 answers
Asked in 2026 · .NET, C#