42 Cloud & Containers questions from the System Administration 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.Software as a Service — ready-to-use applications over the internet
B.Platform as a Service — a managed runtime for deploying apps
C.Infrastructure as a Service — VMs, storage and networking on demand
D.a container shares the host kernel (lightweight); a VM virtualizes hardware (strong isolation)
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2. Which term means: "Infrastructure as a Service — VMs, storage and networking on demand"?
Junior
A.Docker image
B.IaaS
C.Kubernetes pod
D.horizontal vs vertical scaling
Answer + AI explanation with Pro
3. Which statement is correct?
Junior
A.IaaS — a read-only template used to create containers
B.IaaS — adding more nodes vs adding more resources to one node
C.IaaS — Infrastructure as a Service — VMs, storage and networking on demand
D.IaaS — a service providing resizable virtual machines
Answer + AI explanation with Pro
4. What is PaaS?
Junior
A.a read-only template used to create containers
B.a service providing resizable virtual machines
C.the smallest deployable unit, wrapping one or more containers
D.Platform as a Service — a managed runtime for deploying apps
Answer + AI explanation with Pro
5. Which term means: "Platform as a Service — a managed runtime for deploying apps"?
Junior
A.PaaS
B.AWS EC2
C.container vs VM
D.blue-green deployment
Answer + AI explanation with Pro
6. Which statement is correct?
Junior
A.PaaS — a container shares the host kernel (lightweight); a VM virtualizes hardware (strong isolation)
B.PaaS — replacing servers on change instead of modifying them in place
C.PaaS — the smallest deployable unit, wrapping one or more containers
D.PaaS — Platform as a Service — a managed runtime for deploying apps
Answer + AI explanation with Pro
7. What is SaaS?
Junior
A.a lightweight package sharing the host kernel, isolating an app and its deps
B.a controller maintaining a desired number of pod replicas
C.Software as a Service — ready-to-use applications over the internet
D.Platform as a Service — a managed runtime for deploying apps
Answer + AI explanation with Pro
8. Which term means: "Software as a Service — ready-to-use applications over the internet"?
Junior
A.Kubernetes pod
B.AWS EC2
C.SaaS
D.immutable infrastructure
Answer + AI explanation with Pro
9. Which statement is correct?
Junior
A.SaaS — Software as a Service — ready-to-use applications over the internet
B.SaaS — a lightweight package sharing the host kernel, isolating an app and its deps
C.SaaS — the smallest deployable unit, wrapping one or more containers
D.SaaS — a service providing resizable virtual machines
Answer + AI explanation with Pro
10. What is container?
Junior
A.replacing servers on change instead of modifying them in place
B.running two environments and switching traffic for zero-downtime releases
C.a read-only template used to create containers
D.a lightweight package sharing the host kernel, isolating an app and its deps
Answer + AI explanation with Pro
11. Which term means: "a lightweight package sharing the host kernel, isolating an app and its deps"?
Junior
A.PaaS
B.AWS S3
C.container
D.SaaS
Answer + AI explanation with Pro
12. Which statement is correct?
Junior
A.container — an object-storage service for files/blobs
B.container — running two environments and switching traffic for zero-downtime releases
C.container — a lightweight package sharing the host kernel, isolating an app and its deps
D.container — a container shares the host kernel (lightweight); a VM virtualizes hardware (strong isolation)
Answer + AI explanation with Pro
13. What is Docker image?
Junior
A.Software as a Service — ready-to-use applications over the internet
B.a read-only template used to create containers
C.adding more nodes vs adding more resources to one node
D.an object-storage service for files/blobs
Answer + AI explanation with Pro
14. Which term means: "a read-only template used to create containers"?
Junior
A.SaaS
B.IaaS
C.infrastructure as code
D.Docker image
Answer + AI explanation with Pro
15. Which statement is correct?
Junior
A.Docker image — Infrastructure as a Service — VMs, storage and networking on demand
B.Docker image — a read-only template used to create containers
C.Docker image — running two environments and switching traffic for zero-downtime releases
D.Docker image — a controller maintaining a desired number of pod replicas
Answer + AI explanation with Pro
16. What is Kubernetes pod?
Mid
A.running two environments and switching traffic for zero-downtime releases
B.Software as a Service — ready-to-use applications over the internet
C.the smallest deployable unit, wrapping one or more containers
D.a service providing resizable virtual machines
Answer + AI explanation with Pro
17. Which term means: "the smallest deployable unit, wrapping one or more containers"?
Mid
A.IaaS
B.SaaS
C.blue-green deployment
D.Kubernetes pod
Answer + AI explanation with Pro
18. Which statement is correct?
Mid
A.Kubernetes pod — replacing servers on change instead of modifying them in place
B.Kubernetes pod — an object-storage service for files/blobs
C.Kubernetes pod — a service providing resizable virtual machines
D.Kubernetes pod — the smallest deployable unit, wrapping one or more containers
Answer + AI explanation with Pro
19. What is Kubernetes Deployment?
Mid
A.the smallest deployable unit, wrapping one or more containers
B.a service providing resizable virtual machines
C.a controller maintaining a desired number of pod replicas
D.managing infrastructure via declarative files (e.g. Terraform/Ansible)
Answer + AI explanation with Pro
20. Which term means: "a controller maintaining a desired number of pod replicas"?
Mid
A.Kubernetes Deployment
B.Kubernetes pod
C.container vs VM
D.blue-green deployment
Answer + AI explanation with Pro
21. Which statement is correct?
Mid
A.Kubernetes Deployment — Software as a Service — ready-to-use applications over the internet
B.Kubernetes Deployment — a controller maintaining a desired number of pod replicas
C.Kubernetes Deployment — Infrastructure as a Service — VMs, storage and networking on demand
D.Kubernetes Deployment — replacing servers on change instead of modifying them in place
Answer + AI explanation with Pro
22. What is container vs VM?
Senior
A.an object-storage service for files/blobs
B.a service providing resizable virtual machines
C.a container shares the host kernel (lightweight); a VM virtualizes hardware (strong isolation)
D.the smallest deployable unit, wrapping one or more containers
Answer + AI explanation with Pro
23. Which term means: "a container shares the host kernel (lightweight); a VM virtualizes hardware (strong isolation)"?
Senior
A.immutable infrastructure
B.horizontal vs vertical scaling
C.PaaS
D.container vs VM
Answer + AI explanation with Pro
24. Which statement is correct?
Senior
A.container vs VM — Infrastructure as a Service — VMs, storage and networking on demand
B.container vs VM — a container shares the host kernel (lightweight); a VM virtualizes hardware (strong isolation)
C.container vs VM — a lightweight package sharing the host kernel, isolating an app and its deps
D.container vs VM — an object-storage service for files/blobs
Answer + AI explanation with Pro
25. What is infrastructure as code?
Senior
A.an object-storage service for files/blobs
B.managing infrastructure via declarative files (e.g. Terraform/Ansible)
C.Infrastructure as a Service — VMs, storage and networking on demand
D.a controller maintaining a desired number of pod replicas
Answer + AI explanation with Pro
26. Which term means: "managing infrastructure via declarative files (e.g. Terraform/Ansible)"?
Senior
A.container vs VM
B.Kubernetes pod
C.infrastructure as code
D.Docker image
Answer + AI explanation with Pro
27. Which statement is correct?
Senior
A.infrastructure as code — Software as a Service — ready-to-use applications over the internet
B.infrastructure as code — a service providing resizable virtual machines
C.infrastructure as code — managing infrastructure via declarative files (e.g. Terraform/Ansible)
D.infrastructure as code — a lightweight package sharing the host kernel, isolating an app and its deps
Answer + AI explanation with Pro
28. What is AWS S3?
Mid
A.the smallest deployable unit, wrapping one or more containers
B.a lightweight package sharing the host kernel, isolating an app and its deps
C.an object-storage service for files/blobs
D.Software as a Service — ready-to-use applications over the internet
Answer + AI explanation with Pro
29. Which term means: "an object-storage service for files/blobs"?
Mid
A.container
B.IaaS
C.AWS EC2
D.AWS S3
Answer + AI explanation with Pro
30. Which statement is correct?
Mid
A.AWS S3 — adding more nodes vs adding more resources to one node
B.AWS S3 — an object-storage service for files/blobs
C.AWS S3 — running two environments and switching traffic for zero-downtime releases
D.AWS S3 — Infrastructure as a Service — VMs, storage and networking on demand
Answer + AI explanation with Pro
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