Model Serving & Inference interview questions

27 Model Serving & Inference questions from the MLOps & Integration bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. What is Online inference?

Junior
  1. A.a Kubernetes framework for deploying and managing ML inference graphs and A/B tests
  2. B.a versioned store of trained models with stage tags (Staging, Production) and lineage
  3. C.serving low-latency predictions one request at a time behind a synchronous API
  4. D.NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution

Answer + AI explanation with Pro

2. Which term means: "serving low-latency predictions one request at a time behind a synchronous API"?

Junior
  1. A.Model registry
  2. B.Triton Inference Server
  3. C.Dynamic batching
  4. D.Online inference

Answer + AI explanation with Pro

3. Which statement is correct?

Junior
  1. A.Online inference — NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution
  2. B.Online inference — a versioned store of trained models with stage tags (Staging, Production) and lineage
  3. C.Online inference — routing a small fraction of inference traffic to a new model version before full promotion
  4. D.Online inference — serving low-latency predictions one request at a time behind a synchronous API

Answer + AI explanation with Pro

4. What is Batch inference?

Junior
  1. A.a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints
  2. B.scoring a large dataset offline on a schedule rather than per request
  3. C.sending a copy of live traffic to a new model without serving its responses, to compare safely
  4. D.a versioned store of trained models with stage tags (Staging, Production) and lineage

Answer + AI explanation with Pro

5. Which term means: "scoring a large dataset offline on a schedule rather than per request"?

Junior
  1. A.Model registry
  2. B.Online inference
  3. C.Batch inference
  4. D.Canary rollout

Answer + AI explanation with Pro

6. Which statement is correct?

Junior
  1. A.Batch inference — a versioned store of trained models with stage tags (Staging, Production) and lineage
  2. B.Batch inference — scoring a large dataset offline on a schedule rather than per request
  3. C.Batch inference — serving low-latency predictions one request at a time behind a synchronous API
  4. D.Batch inference — a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints

Answer + AI explanation with Pro

7. What is Model registry?

Mid
  1. A.NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution
  2. B.a Kubernetes framework for deploying and managing ML inference graphs and A/B tests
  3. C.a versioned store of trained models with stage tags (Staging, Production) and lineage
  4. D.a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints

Answer + AI explanation with Pro

8. Which term means: "a versioned store of trained models with stage tags (Staging, Production) and lineage"?

Mid
  1. A.Model registry
  2. B.Batch inference
  3. C.KServe
  4. D.Triton Inference Server

Answer + AI explanation with Pro

9. Which statement is correct?

Mid
  1. A.Model registry — scoring a large dataset offline on a schedule rather than per request
  2. B.Model registry — a Kubernetes framework for deploying and managing ML inference graphs and A/B tests
  3. C.Model registry — a versioned store of trained models with stage tags (Staging, Production) and lineage
  4. D.Model registry — a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints

Answer + AI explanation with Pro

10. What is KServe?

Mid
  1. A.NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution
  2. B.grouping individual inference requests arriving close in time into one batch to raise GPU throughput
  3. C.a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints
  4. D.sending a copy of live traffic to a new model without serving its responses, to compare safely

Answer + AI explanation with Pro

11. Which term means: "a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints"?

Mid
  1. A.Dynamic batching
  2. B.Batch inference
  3. C.KServe
  4. D.Model registry

Answer + AI explanation with Pro

12. Which statement is correct?

Mid
  1. A.KServe — grouping individual inference requests arriving close in time into one batch to raise GPU throughput
  2. B.KServe — routing a small fraction of inference traffic to a new model version before full promotion
  3. C.KServe — a versioned store of trained models with stage tags (Staging, Production) and lineage
  4. D.KServe — a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints

Answer + AI explanation with Pro

13. What is Seldon Core?

Mid
  1. A.NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution
  2. B.sending a copy of live traffic to a new model without serving its responses, to compare safely
  3. C.scoring a large dataset offline on a schedule rather than per request
  4. D.a Kubernetes framework for deploying and managing ML inference graphs and A/B tests

Answer + AI explanation with Pro

14. Which term means: "a Kubernetes framework for deploying and managing ML inference graphs and A/B tests"?

Mid
  1. A.Model registry
  2. B.KServe
  3. C.Seldon Core
  4. D.Shadow deployment

Answer + AI explanation with Pro

15. Which statement is correct?

Mid
  1. A.Seldon Core — a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints
  2. B.Seldon Core — a Kubernetes framework for deploying and managing ML inference graphs and A/B tests
  3. C.Seldon Core — grouping individual inference requests arriving close in time into one batch to raise GPU throughput
  4. D.Seldon Core — serving low-latency predictions one request at a time behind a synchronous API

Answer + AI explanation with Pro

16. What is Triton Inference Server?

Mid
  1. A.NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution
  2. B.a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints
  3. C.scoring a large dataset offline on a schedule rather than per request
  4. D.serving low-latency predictions one request at a time behind a synchronous API

Answer + AI explanation with Pro

17. Which term means: "NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution"?

Mid
  1. A.Model registry
  2. B.KServe
  3. C.Online inference
  4. D.Triton Inference Server

Answer + AI explanation with Pro

18. Which statement is correct?

Mid
  1. A.Triton Inference Server — scoring a large dataset offline on a schedule rather than per request
  2. B.Triton Inference Server — NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution
  3. C.Triton Inference Server — sending a copy of live traffic to a new model without serving its responses, to compare safely
  4. D.Triton Inference Server — a Kubernetes framework for deploying and managing ML inference graphs and A/B tests

Answer + AI explanation with Pro

19. What is Dynamic batching?

Senior
  1. A.routing a small fraction of inference traffic to a new model version before full promotion
  2. B.scoring a large dataset offline on a schedule rather than per request
  3. C.grouping individual inference requests arriving close in time into one batch to raise GPU throughput
  4. D.serving low-latency predictions one request at a time behind a synchronous API

Answer + AI explanation with Pro

20. Which term means: "grouping individual inference requests arriving close in time into one batch to raise GPU throughput"?

Senior
  1. A.Model registry
  2. B.KServe
  3. C.Shadow deployment
  4. D.Dynamic batching

Answer + AI explanation with Pro

21. Which statement is correct?

Senior
  1. A.Dynamic batching — grouping individual inference requests arriving close in time into one batch to raise GPU throughput
  2. B.Dynamic batching — sending a copy of live traffic to a new model without serving its responses, to compare safely
  3. C.Dynamic batching — a Kubernetes framework for deploying and managing ML inference graphs and A/B tests
  4. D.Dynamic batching — routing a small fraction of inference traffic to a new model version before full promotion

Answer + AI explanation with Pro

22. What is Canary rollout?

Senior
  1. A.NVIDIA's server that hosts models from many frameworks with GPU batching and concurrent execution
  2. B.serving low-latency predictions one request at a time behind a synchronous API
  3. C.routing a small fraction of inference traffic to a new model version before full promotion
  4. D.sending a copy of live traffic to a new model without serving its responses, to compare safely

Answer + AI explanation with Pro

23. Which term means: "routing a small fraction of inference traffic to a new model version before full promotion"?

Senior
  1. A.KServe
  2. B.Canary rollout
  3. C.Online inference
  4. D.Seldon Core

Answer + AI explanation with Pro

24. Which statement is correct?

Senior
  1. A.Canary rollout — routing a small fraction of inference traffic to a new model version before full promotion
  2. B.Canary rollout — sending a copy of live traffic to a new model without serving its responses, to compare safely
  3. C.Canary rollout — a Kubernetes framework for deploying and managing ML inference graphs and A/B tests
  4. D.Canary rollout — a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints

Answer + AI explanation with Pro

25. What is Shadow deployment?

Senior
  1. A.a Kubernetes framework for deploying and managing ML inference graphs and A/B tests
  2. B.serving low-latency predictions one request at a time behind a synchronous API
  3. C.sending a copy of live traffic to a new model without serving its responses, to compare safely
  4. D.grouping individual inference requests arriving close in time into one batch to raise GPU throughput

Answer + AI explanation with Pro

26. Which term means: "sending a copy of live traffic to a new model without serving its responses, to compare safely"?

Senior
  1. A.Shadow deployment
  2. B.KServe
  3. C.Triton Inference Server
  4. D.Dynamic batching

Answer + AI explanation with Pro

27. Which statement is correct?

Senior
  1. A.Shadow deployment — grouping individual inference requests arriving close in time into one batch to raise GPU throughput
  2. B.Shadow deployment — sending a copy of live traffic to a new model without serving its responses, to compare safely
  3. C.Shadow deployment — a Kubernetes-native model-serving framework providing autoscaling InferenceService endpoints
  4. D.Shadow deployment — routing a small fraction of inference traffic to a new model version before full promotion

Answer + AI explanation with Pro

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