Understood! Let’s make the practice set easier but still relevant for a strong mid-to-senior QA candidate (not as hardcore as the previous senior-level set). I’ll give you 30 questions per section (120 total), focusing on practical, conceptual, and scenario-based questions that are approachable but still challenging enough for NVIDIA’s role.
✅ Section 1: QA Methodology, Linux & Docker (30 Questions)
- What is the difference between Verification and Validation?
- Explain the Software Testing Life Cycle (STLC).
- What are entry and exit criteria in testing?
- How do you prioritize test cases when time is limited?
- What is a Requirement Traceability Matrix (RTM) and why is it important?
- Explain Smoke Testing vs Sanity Testing.
- What is Regression Testing and when do you perform it?
- How do you handle flaky tests in automation?
- What is the difference between Black-box and White-box testing?
- Explain the Bug Lifecycle with states.
- How do you measure test coverage?
- What is risk-based testing and when do you apply it?
- How do you ensure test data consistency across environments?
- Which Linux command shows CPU and memory usage in real time?
- How do you find which process is using a specific port in Linux?
- How do you check disk usage in Linux?
- How do you view running processes in Linux?
- How do you search for a keyword inside a file in Linux?
- What is the difference between Docker image and Docker container?
- How do you list all running Docker containers?
- How do you check logs of a Docker container?
- How do you persist data in Docker containers?
- How do you remove all stopped containers in Docker?
- How do you troubleshoot a failing Docker container?
- What is the purpose of Docker volumes?
- How do you build a Docker image from a Dockerfile?
- How do you run a container in detached mode?
- How do you check the size of Docker images on your system?
- How do you copy files from a container to the host?
- How do you restart a Docker container after changes?
✅ Section 2: Gen AI & AI Tools (30 Questions)
- What is Generative AI and how is it different from traditional AI?
- What is a Large Language Model (LLM)?
- Explain prompt engineering in simple terms.
- What is temperature in LLMs and how does it affect output?
- What is tokenization in NLP?
- How do you test an AI chatbot for correctness?
- What is hallucination in LLMs?
- How do you measure accuracy of an AI model?
- What is BLEU score used for?
- What is model drift and why is it important?
- How do you ensure reproducibility in AI experiments?
- What is the difference between fine-tuning and prompt-tuning?
- How do you test bias in AI models?
- What is RAG (Retrieval-Augmented Generation)?
- How do you test latency of an AI model?
- How do you validate structured outputs like JSON from an LLM?
- What is A/B testing in AI systems?
- How do you test multi-language support in an AI model?
- What is context window in LLMs?
- How do you handle adversarial prompts in testing?
- What is model evaluation pipeline?
- How do you integrate AI testing into CI/CD?
- What is LoRA in model fine-tuning?
- How do you test safety filters in AI systems?
- What is perplexity in language models?
- How do you test streaming responses from an AI API?
- What is zero-shot vs few-shot learning?
- How do you test fallback mechanisms for AI services?
- What is model versioning and why is it important?
- How do you monitor AI performance in production?
✅ Section 3: Automation Framework, Programming & Kubernetes (30 Questions)
- What is an automation framework and why do we need it?
- Explain Page Object Model (POM).
- What is the difference between Pytest and unittest in Python?
- How do you run tests in parallel using Pytest?
- How do you generate HTML reports in Pytest?
- How do you handle test data in automation?
- How do you integrate automation with Jenkins?
- How do you schedule tests in Jenkins?
- How do you trigger tests on code commit?
- How do you store test artifacts in CI/CD?
- Write a Python function to reverse a string.
- Write a Python function to check if a number is prime.
- How do you read a JSON file in Python?
- How do you handle exceptions in Python?
- How do you use virtual environments in Python?
- What is Docker Compose and why is it useful?
- How do you deploy a containerized app using Kubernetes?
- What is a Kubernetes Pod?
- What is the difference between Deployment and StatefulSet in K8s?
- How do you check logs of a pod in Kubernetes?
- How do you restart a pod in Kubernetes?
- How do you scale a deployment in Kubernetes?
- What is a ConfigMap in Kubernetes?
- What is a Secret in Kubernetes?
- How do you expose a service in Kubernetes?
- How do you check the status of all pods in a namespace?
- How do you delete a pod in Kubernetes?
- How do you run a Job in Kubernetes?
- What is kubectl describe used for?
- How do you troubleshoot a CrashLoopBackOff pod?
✅ Section 4: General / Problem Solving (30 Questions)
- How do you handle a critical bug found just before release?
- How do you prioritize tasks when everything seems urgent?
- How do you estimate testing effort for a new feature?
- How do you handle conflicts with developers over bug severity?
- How do you debug intermittent test failures?
- How do you communicate risk to stakeholders?
- How do you handle last-minute requirement changes?
- How do you ensure quality in Agile?
- How do you measure QA effectiveness?
- How do you handle production issues reported by customers?
- How do you design a test plan for a new feature?
- How do you handle time zone challenges in global teams?
- How do you ensure test coverage for critical features?
- How do you handle tight deadlines without compromising quality?
- How do you mentor junior QA engineers?
- How do you handle escalations from management?
- How do you ensure security testing is included in QA?
- How do you handle flaky tests in CI/CD?
- How do you ensure documentation quality?
- How do you handle dependencies between teams?
- How do you ensure compliance testing for regulated products?
- How do you handle customer-reported bugs efficiently?
- How do you ensure continuous improvement in QA?
- How do you handle test environment instability?
- How do you ensure knowledge sharing in QA teams?
- How do you handle performance testing for a new release?
- How do you ensure security of test data?
- How do you handle automation debt in a project?
- How do you ensure QA metrics are meaningful?
- How do you handle stress during critical releases?
✅ Total: 120 easier but still relevant questions.
👉 Do you want me to create a downloadable Markdown workbook with:
- All 120 questions
- Space for your answers
- Difficulty tags (Easy/Medium)
- Checklist for progress tracking?
Or should I keep it as text only?
Here’s a condensed list of senior-level practice questions for each session (without answers, so you can self-practice). These are drawn from the advanced guide I just created:
✅ Session 1: QA Methodology, Linux & Docker
- Design a risk-based test strategy for a GPU driver release across multiple OSes.
- How do you reduce flake rate from 2.8% to <0.5%? Governance + technical steps.
- How do you capture and analyze a Linux kernel panic tied to a GPU driver?
- Diagnose I/O latency spikes during model training on Linux. Which tools and steps?
- Explain Docker isolation primitives (namespaces, cgroups, seccomp) and hardening.
- How do you build secure, reproducible CUDA-enabled Docker images?
- Networking inside Docker is flaky under load. Outline a debug plan.
- How do you ensure environment reproducibility across customer setups?
- Optimize a test matrix for OS × GPU × CUDA × App Type without full combinatorial explosion.
- When do you choose bare-metal vs VM vs container for testing?
- How do you scale soak/stress tests without starving shared labs?
- Define a defect triage policy and approach to escape analysis.
✅ Session 2: Gen AI & AI Tools
- Design an evaluation plan for a RAG-powered feature (metrics, datasets).
- How do you benchmark LLM serving performance on A100 vs H100?
- Strategies for hallucination mitigation and measurement.
- Create a prompt-injection/jailbreak test plan for an LLM with tool calls.
- Compare fine-tuning vs LoRA vs prompt-tuning and QA implications.
- How do you avoid evaluation leakage and ensure statistical validity?
- What CI/CD gates do you enforce for GenAI features?
- How do you ensure reliable JSON outputs from LLMs?
- Outline data governance for training/eval datasets (PII, lineage).
- How do you stabilize response variability across deployments?
- How do you test cost/performance trade-offs for API vs self-hosted LLM?
- Institutionalizing ethical guardrails for AI systems—what’s your approach?
✅ Session 3: Automation Framework, Programming & Kubernetes
- Design an enterprise automation platform for multiple teams.
- How do you ensure hermetic builds and cross-platform consistency?
- Implement deterministic test sharding for K8s workers (concept or code).
- How do you make parallel tests reliable in Python?
- Compare contract testing vs E2E and rollout strategy.
- How do you integrate distributed tracing into test runs?
- Architect a K8s test grid for GPU-based workloads.
- How do you manage K8s security and secrets for test jobs?
- How do you implement ephemeral preview environments per PR?
- Reduce 5,000 E2E tests from 3h to <45m without quality loss.
- How do you perform failure forensics for pods in K8s?
- Provide a K8s Job template for sharded test execution.
✅ Session 4: General / Problem Solving
- Go/No-Go decision with incomplete perf data and known P2s—what’s your process?
- Outline a post-release outage RCA framework.
- Which QA metrics matter at senior level (leading vs lagging)?
- Debug a Python deadlock in an automation controller.
- How do you make tests robust in a distributed system with message duplication?
- Logical puzzle: 2 GPUs, 10 OS×Driver×CUDA combos, limited time—maximize confidence.
- Build vs Buy for a test data management tool—decision factors.
- How do you lead through disagreement with devs on a P1 bug?
- Design a self-serve QA platform for the org.
- Add security-focused QA to an existing pipeline.
- Create a 1-page Go/No-Go summary for execs—what’s in it?
- How do you uplevel the QA team strategically?
✅ Do you want me to package these into a downloadable Markdown file (with sections, numbering, and space for your answers), so you can print or use as a practice workbook? Or should I also include difficulty tags and expected time per question in that file?
Here’s the full expanded list of 30+ senior-level questions per section (total 120+ questions). These are designed for deep practice—covering strategy, architecture, debugging, and leadership scenarios.
✅ Section 1: QA Methodology, Linux & Docker (30 Questions)
- Design a risk-based test strategy for a GPU driver release across multiple OSes.
- Define exit criteria for a high-risk release with multiple dependencies.
- How do you measure test effectiveness beyond code coverage?
- Explain Defect Removal Efficiency (DRE) and how you’d track it.
- How do you enforce flake budgets across teams?
- What’s your approach to test impact analysis in large repos?
- How do you ensure traceability from requirements to tests in a CI/CD world?
- How do you design a test matrix for combinatorial explosion (OS × GPU × CUDA)?
- When do you choose bare-metal vs VM vs container for testing?
- How do you scale soak/stress tests without starving shared labs?
- Define a defect triage policy and approach to escape analysis.
- How do you handle security testing in QA for Linux-based systems?
- Explain kernel panic debugging steps for GPU drivers.
- How do you capture and analyze vmcore dumps?
- Which Linux perf tools do you use for CPU/memory bottlenecks?
- How do you debug NUMA-related performance issues?
- Explain cgroups v2 and how you’d use it for resource isolation.
- How do you monitor GPU utilization in Linux under load?
- Explain Docker isolation primitives (namespaces, seccomp, AppArmor).
- How do you harden a Docker container for CI environments?
- How do you build secure, reproducible CUDA-enabled Docker images?
- Explain multi-stage Docker builds and why they matter.
- How do you troubleshoot networking issues inside Docker?
- How do you persist test artifacts in ephemeral containers?
- How do you manage Docker image sprawl in large orgs?
- How do you enforce SBOM and vulnerability scanning in CI?
- How do you ensure reproducibility across customer environments?
- How do you validate driver compatibility across multiple Linux kernels?
- How do you design chaos experiments for GPU workloads?
- How do you integrate Linux kernel self-tests into your QA pipeline?
✅ Section 2: Gen AI & AI Tools (30 Questions)
- Design an evaluation plan for a RAG-powered feature (metrics, datasets).
- How do you benchmark LLM serving performance on A100 vs H100?
- How do you measure hallucination rates in LLM outputs?
- Explain BLEU, ROUGE, and BERTScore—when to use each.
- How do you test bias and fairness in LLM responses?
- How do you design adversarial prompt tests for jailbreak detection?
- How do you enforce safety guardrails in GenAI systems?
- How do you validate retrieval accuracy in RAG pipelines?
- How do you test context window overflow scenarios?
- How do you ensure deterministic outputs for regression testing?
- How do you integrate AI model testing into CI/CD?
- How do you monitor model drift in production?
- How do you validate model reproducibility across environments?
- How do you test multi-modal models (text + image)?
- How do you benchmark latency and throughput for LLM APIs?
- How do you test cost-performance trade-offs for API vs self-hosted LLM?
- How do you validate LoRA fine-tuned models for catastrophic forgetting?
- How do you design golden datasets for AI regression testing?
- How do you test structured output reliability (JSON, XML)?
- How do you enforce schema validation in LLM outputs?
- How do you test tool-augmented LLMs for security?
- How do you validate prompt templates at scale?
- How do you test streaming responses for latency and correctness?
- How do you measure energy efficiency of AI inference?
- How do you validate GPU memory utilization under load?
- How do you test fallback mechanisms for AI services?
- How do you validate A/B experiments for AI features?
- How do you enforce ethical compliance in AI QA?
- How do you test multi-language support in LLMs?
- How do you validate safety filters for harmful content?
✅ Section 3: Automation Framework, Programming & Kubernetes (30 Questions)
- Design an enterprise automation platform for multiple teams.
- How do you enforce coding standards in automation frameworks?
- How do you implement test selection based on code changes?
- How do you design parallel test execution for 10,000 tests?
- How do you implement deterministic test sharding in Python?
- How do you handle test data versioning in CI/CD?
- How do you integrate observability into test runs?
- How do you implement distributed tracing for test failures?
- How do you design self-healing test infrastructure?
- How do you enforce test flakiness budgets in CI?
- How do you implement retry logic without masking real bugs?
- How do you design contract testing strategy for microservices?
- How do you integrate security scanning into automation pipelines?
- How do you implement test impact analysis in monorepos?
- How do you optimize Python test performance for large suites?
- How do you enforce type safety in Python automation code?
- How do you design async test execution in Python?
- How do you implement resource cleanup in distributed tests?
- How do you design K8s-based test grids for GPU workloads?
- How do you manage K8s secrets for test jobs?
- How do you enforce PodSecurity standards in test clusters?
- How do you implement ephemeral environments per PR?
- How do you scale test runners dynamically in K8s?
- How do you implement node affinity for GPU tests in K8s?
- How do you monitor test job health in K8s?
- How do you debug failing pods in a CI pipeline?
- How do you enforce RBAC policies for QA pipelines?
- How do you implement chaos testing in K8s environments?
- How do you integrate Helm/Kustomize for test deployments?
- How do you enforce cost controls for large-scale test runs?
✅ Section 4: General / Problem Solving (30 Questions)
- How do you make a Go/No-Go decision with incomplete data?
- How do you handle conflicting priorities across teams?
- How do you estimate testing effort for a complex feature?
- How do you debug intermittent failures in CI?
- How do you handle production outages caused by QA misses?
- How do you design a postmortem process for escaped defects?
- How do you measure QA ROI in an organization?
- How do you communicate risk to executives effectively?
- How do you handle disagreements with developers on bug severity?
- How do you design a QA roadmap for a new product line?
- How do you mentor junior QA engineers effectively?
- How do you handle time zone challenges in global QA teams?
- How do you design KPIs for QA teams?
- How do you handle last-minute scope changes before release?
- How do you design a QA hiring strategy for scaling teams?
- How do you handle technical debt in test automation?
- How do you design a self-service QA platform for developers?
- How do you enforce quality gates in CI/CD pipelines?
- How do you handle security incidents discovered during QA?
- How do you design a risk register for QA activities?
- How do you handle compliance testing for regulated industries?
- How do you design a QA budget for a large program?
- How do you handle vendor QA assessments?
- How do you design a QA knowledge base for the org?
- How do you handle escalations from customers on quality issues?
- How do you design a QA metrics dashboard for leadership?
- How do you handle cross-functional dependencies in QA?
- How do you design a QA training program for new hires?
- How do you handle QA in an Agile vs DevOps environment?
- How do you design a continuous improvement plan for QA?
✅ Total: 120+ questions across 4 sections.
👉 Do you want me to create a downloadable Markdown workbook with:
- All 120+ questions
- Space for your answers
- Difficulty tags (Easy/Medium/Hard)
- Estimated time per question
- Checklist for tracking progress?
Or keep it as text only?