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Testbench architecture, the UVM factory, sequences, phasing — 24 chapters of questions-only prep, no answers included.

616 UVM INTERVIEW QUESTIONS EBOOK · 24 CHAPTERS

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UVM (Universal Verification Methodology) interviews test whether you can architect and reason about a full verification environment, not just write individual test cases.

This bank covers the UVM concepts that come up most: factory overrides, sequence/sequencer/driver relationships, phasing, configuration passing via config_db, and scoreboard-based checking.

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UVM interview questions by subtopic

UVM Testbench Architecture

How the standard UVM components fit together.

What are the main components of a UVM testbench (driver, monitor, agent, environment)?
What's the difference between an active and a passive UVM agent?

UVM Factory

Enabling flexible, override-friendly testbenches.

What is the UVM factory, and why is it used instead of direct object instantiation?
How would you override a component or object using the UVM factory?

Sequences & Sequencers

Generating and delivering stimulus.

What's the relationship between a sequence, a sequencer, and a driver in UVM?
How does a virtual sequence coordinate multiple sequences across interfaces?

Phasing

The lifecycle every UVM component goes through.

What are UVM phases, and why does UVM separate build, connect, and run phases?
What's the difference between a function phase and a task phase in UVM?

Configuration & Resource DB

Passing settings through a testbench hierarchy.

What is the UVM config_db, and how is it used to pass configuration to sub-components?
What's the difference between uvm_config_db and the older resource_db?

Scoreboards & Analysis

Checking that the design under test behaves correctly.

What is the role of a scoreboard in a UVM testbench?
How does an analysis port/export pair enable communication between a monitor and a scoreboard?