36 Kubernetes · Core Objects 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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A.a virtual cluster partition that scopes names and resource quotas for multi-tenant isolation
B.the smallest deployable unit — one or more containers sharing a network namespace and storage
C.a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods
D.an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
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2. Which term means: "the smallest deployable unit — one or more containers sharing a network namespace and storage"?
Junior
A.DaemonSet
B.Service
C.Ingress
D.Pod
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3. Which statement is correct?
Junior
A.Pod — a virtual cluster partition that scopes names and resource quotas for multi-tenant isolation
B.Pod — a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods
C.Pod — a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
D.Pod — the smallest deployable unit — one or more containers sharing a network namespace and storage
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4. What is Deployment?
Junior
A.an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
B.a virtual cluster partition that scopes names and resource quotas for multi-tenant isolation
C.a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
D.a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
Answer + AI explanation with Pro
5. Which term means: "a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates"?
Junior
A.Deployment
B.Ingress
C.DaemonSet
D.HorizontalPodAutoscaler
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.Deployment — a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
B.Deployment — a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
C.Deployment — a controller giving Pods stable network identities and persistent storage for stateful workloads
D.Deployment — a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
Answer + AI explanation with Pro
7. What is Service?
Junior
A.a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
B.the smallest deployable unit — one or more containers sharing a network namespace and storage
C.a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods
D.a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
Answer + AI explanation with Pro
8. Which term means: "a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods"?
Junior
A.Deployment
B.ConfigMap
C.Service
D.Readiness probe
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.Service — the smallest deployable unit — one or more containers sharing a network namespace and storage
B.Service — a health check that removes a Pod from Service endpoints until it can serve traffic
C.Service — a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
D.Service — a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods
Answer + AI explanation with Pro
10. What is Namespace?
Junior
A.a virtual cluster partition that scopes names and resource quotas for multi-tenant isolation
B.a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
C.the smallest deployable unit — one or more containers sharing a network namespace and storage
D.an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
Answer + AI explanation with Pro
11. Which term means: "a virtual cluster partition that scopes names and resource quotas for multi-tenant isolation"?
Junior
A.Readiness probe
B.Deployment
C.Namespace
D.Service
Answer + AI explanation with Pro
12. Which statement is correct?
Junior
A.Namespace — a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
B.Namespace — a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
C.Namespace — a virtual cluster partition that scopes names and resource quotas for multi-tenant isolation
D.Namespace — a health check that restarts a container when it fails, recovering from deadlocks
Answer + AI explanation with Pro
13. What is ConfigMap?
Mid
A.an object holding non-secret key/value configuration injected into Pods as env vars or files
B.a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
C.a health check that restarts a container when it fails, recovering from deadlocks
D.a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
Answer + AI explanation with Pro
14. Which term means: "an object holding non-secret key/value configuration injected into Pods as env vars or files"?
Mid
A.Namespace
B.HorizontalPodAutoscaler
C.Service
D.ConfigMap
Answer + AI explanation with Pro
15. Which statement is correct?
Mid
A.ConfigMap — a controller giving Pods stable network identities and persistent storage for stateful workloads
B.ConfigMap — a controller that runs one copy of a Pod on every (or selected) node, used for agents like log shippers
C.ConfigMap — an object holding non-secret key/value configuration injected into Pods as env vars or files
D.ConfigMap — a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
Answer + AI explanation with Pro
16. What is Secret?
Mid
A.a controller giving Pods stable network identities and persistent storage for stateful workloads
B.a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
C.a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
D.a virtual cluster partition that scopes names and resource quotas for multi-tenant isolation
Answer + AI explanation with Pro
17. Which term means: "a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods"?
Mid
A.Deployment
B.Service
C.Secret
D.Readiness probe
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.Secret — an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
B.Secret — a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
C.Secret — an object holding non-secret key/value configuration injected into Pods as env vars or files
D.Secret — a controller giving Pods stable network identities and persistent storage for stateful workloads
Answer + AI explanation with Pro
19. What is Ingress?
Mid
A.an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
B.a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
C.a health check that restarts a container when it fails, recovering from deadlocks
D.a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
Answer + AI explanation with Pro
20. Which term means: "an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller"?
Mid
A.Ingress
B.Readiness probe
C.HorizontalPodAutoscaler
D.Secret
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.Ingress — an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
B.Ingress — a controller that runs one copy of a Pod on every (or selected) node, used for agents like log shippers
C.Ingress — the smallest deployable unit — one or more containers sharing a network namespace and storage
D.Ingress — an object holding non-secret key/value configuration injected into Pods as env vars or files
Answer + AI explanation with Pro
22. What is Liveness probe?
Mid
A.an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
B.a health check that restarts a container when it fails, recovering from deadlocks
C.the smallest deployable unit — one or more containers sharing a network namespace and storage
D.a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods
Answer + AI explanation with Pro
23. Which term means: "a health check that restarts a container when it fails, recovering from deadlocks"?
Mid
A.Liveness probe
B.Service
C.Readiness probe
D.StatefulSet
Answer + AI explanation with Pro
24. Which statement is correct?
Mid
A.Liveness probe — an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
B.Liveness probe — a health check that restarts a container when it fails, recovering from deadlocks
C.Liveness probe — an object holding non-secret key/value configuration injected into Pods as env vars or files
D.Liveness probe — a controller that runs one copy of a Pod on every (or selected) node, used for agents like log shippers
Answer + AI explanation with Pro
25. What is Readiness probe?
Mid
A.an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
B.a health check that removes a Pod from Service endpoints until it can serve traffic
C.a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
D.the smallest deployable unit — one or more containers sharing a network namespace and storage
Answer + AI explanation with Pro
26. Which term means: "a health check that removes a Pod from Service endpoints until it can serve traffic"?
Mid
A.Pod
B.StatefulSet
C.Readiness probe
D.Deployment
Answer + AI explanation with Pro
27. Which statement is correct?
Mid
A.Readiness probe — a health check that removes a Pod from Service endpoints until it can serve traffic
B.Readiness probe — a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
C.Readiness probe — a controller that runs one copy of a Pod on every (or selected) node, used for agents like log shippers
D.Readiness probe — a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods
Answer + AI explanation with Pro
28. What is HorizontalPodAutoscaler?
Senior
A.a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
B.an object holding non-secret key/value configuration injected into Pods as env vars or files
C.the smallest deployable unit — one or more containers sharing a network namespace and storage
D.an object defining HTTP/HTTPS routing rules into the cluster, served by an ingress controller
Answer + AI explanation with Pro
29. Which term means: "a controller that scales Pod replicas up/down based on CPU, memory or custom metrics"?
Senior
A.Namespace
B.HorizontalPodAutoscaler
C.Pod
D.Ingress
Answer + AI explanation with Pro
30. Which statement is correct?
Senior
A.HorizontalPodAutoscaler — a controller that manages a ReplicaSet to run a declared number of identical Pods and roll out updates
B.HorizontalPodAutoscaler — a controller that scales Pod replicas up/down based on CPU, memory or custom metrics
C.HorizontalPodAutoscaler — a stable virtual IP and DNS name that load-balances traffic across a set of matching Pods
D.HorizontalPodAutoscaler — a base64-encoded object for sensitive data (tokens, passwords) mounted or exposed to Pods
Answer + AI explanation with Pro
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