Cloud Virtualization interview questions

60 real Cloud Virtualization questions from the Virtualization bank, as asked in Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd — free to start.

1. What is AWS Nitro?

Mid
  1. A.Specific instance sizes expose hardware virtualization to guests so you can run hypervisors inside a VM.
  2. B.An AWS open-source KVM-based microVM monitor that boots minimal VMs in milliseconds, powering Lambda and Fargate isolation
  3. C.a KVM-based lightweight hypervisor offloading I/O to dedicated cards
  4. D.The AWS platform that offloads networking, storage and security onto dedicated Nitro cards and a minimal Nitro hypervisor, giving near bare-metal performance
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3. Which statement is correct?

Mid
  1. A.AWS Nitro — An Azure VM security setting providing secure boot, vTPM and measured boot to protect against rootkits and boot-level attacks
  2. B.AWS Nitro — EC2 instance types that expose the physical server directly with no hypervisor, used for nested virtualization or licensing that requires bare metal
  3. C.AWS Nitro — a KVM-based lightweight hypervisor offloading I/O to dedicated cards
  4. D.AWS Nitro — Azure compute runs on a customized Hyper-V hypervisor, so Azure VM features map closely to on-prem Hyper-V generations and integration services
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4. What is Azure hypervisor?

Junior
  1. A.An Azure VM security setting providing secure boot, vTPM and measured boot to protect against rootkits and boot-level attacks
  2. B.Cloud hosts with no hypervisor layer, letting you run your own virtualization or license-bound workloads.
  3. C.The transparent movement of a running cloud VM off hardware needing maintenance, using memory pre-copy so tenants see at most a brief pause
  4. D.Azure compute built on a Hyper-V-based hypervisor
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6. Which statement is correct?

Junior
  1. A.Azure hypervisor — A Google user-space application kernel that intercepts syscalls to sandbox containers, offering stronger isolation than namespaces without a full VM
  2. B.Azure hypervisor — Offloads networking, storage, and security to dedicated cards and a lightweight hypervisor for near-bare-metal performance.
  3. C.Azure hypervisor — The transparent movement of a running cloud VM off hardware needing maintenance, using memory pre-copy so tenants see at most a brief pause
  4. D.Azure hypervisor — Azure compute built on a Hyper-V-based hypervisor
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7. What is AWS Nitro System?

Mid
  1. A.Specific instance sizes expose hardware virtualization to guests so you can run hypervisors inside a VM.
  2. B.The AWS platform that offloads networking, storage and security onto dedicated Nitro cards and a minimal Nitro hypervisor, giving near bare-metal performance
  3. C.Cloud VMs whose memory is hardware-encrypted from the hypervisor using AMD SEV-SNP or Intel TDX, so the cloud operator cannot read guest memory
  4. D.Offloads networking, storage, and security to dedicated cards and a lightweight hypervisor for near-bare-metal performance.
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8. Which term means: "The AWS platform that offloads networking, storage and security onto dedicated Nitro cards and a minimal Nitro hypervisor, giving near bare-metal performance"?

Mid
  1. A.gVisor
  2. B.AWS Nitro System
  3. C.Dedicated host
  4. D.EC2 bare metal (.metal)
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9. Which statement is correct?

Mid
  1. A.AWS Nitro System — A cloud construct that spreads VM instances across fault and update domains so a single hardware or maintenance event cannot take all replicas down
  2. B.AWS Nitro System — Azure compute built on a Hyper-V-based hypervisor
  3. C.AWS Nitro System — The transparent movement of a running cloud VM off hardware needing maintenance, using memory pre-copy so tenants see at most a brief pause
  4. D.AWS Nitro System — The AWS platform that offloads networking, storage and security onto dedicated Nitro cards and a minimal Nitro hypervisor, giving near bare-metal performance
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10. What is Firecracker?

Senior
  1. A.An AWS open-source KVM-based microVM monitor that boots minimal VMs in milliseconds, powering Lambda and Fargate isolation
  2. B.A physical server reserved for one tenant's VMs to satisfy compliance or bring-your-own-license rules that forbid shared hardware
  3. C.A Google user-space application kernel that intercepts syscalls to sandbox containers, offering stronger isolation than namespaces without a full VM
  4. D.A cloud construct that spreads VM instances across fault and update domains so a single hardware or maintenance event cannot take all replicas down
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11. Which term means: "An AWS open-source KVM-based microVM monitor that boots minimal VMs in milliseconds, powering Lambda and Fargate isolation"?

Senior
  1. A.Azure Trusted Launch
  2. B.Azure Hyper-V foundation
  3. C.Spot/preemptible VM
  4. D.Firecracker
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12. Which statement is correct?

Senior
  1. A.Firecracker — The transparent movement of a running cloud VM off hardware needing maintenance, using memory pre-copy so tenants see at most a brief pause
  2. B.Firecracker — Cloud hosts with no hypervisor layer, letting you run your own virtualization or license-bound workloads.
  3. C.Firecracker — An AWS open-source KVM-based microVM monitor that boots minimal VMs in milliseconds, powering Lambda and Fargate isolation
  4. D.Firecracker — EC2 instance types that expose the physical server directly with no hypervisor, used for nested virtualization or licensing that requires bare metal
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13. What is AWS Nitro Enclaves?

Senior
  1. A.Isolated, hardened compute environments carved from an EC2 instance with no persistent storage or external network, for processing sensitive data
  2. B.Azure compute built on a Hyper-V-based hypervisor
  3. C.The AWS platform that offloads networking, storage and security onto dedicated Nitro cards and a minimal Nitro hypervisor, giving near bare-metal performance
  4. D.A cloud construct that spreads VM instances across fault and update domains so a single hardware or maintenance event cannot take all replicas down
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14. Which term means: "Isolated, hardened compute environments carved from an EC2 instance with no persistent storage or external network, for processing sensitive data"?

Senior
  1. A.Nested virtualization in cloud
  2. B.EC2 instance types
  3. C.Firecracker
  4. D.AWS Nitro Enclaves
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15. Which statement is correct?

Senior
  1. A.AWS Nitro Enclaves — Offloads networking, storage, and security to dedicated cards and a lightweight hypervisor for near-bare-metal performance.
  2. B.AWS Nitro Enclaves — Isolated, hardened compute environments carved from an EC2 instance with no persistent storage or external network, for processing sensitive data
  3. C.AWS Nitro Enclaves — Azure compute built on a Hyper-V-based hypervisor
  4. D.AWS Nitro Enclaves — Cloud hosts with no hypervisor layer, letting you run your own virtualization or license-bound workloads.
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16. What is EC2 bare metal (.metal)?

Mid
  1. A.EC2 instance types that expose the physical server directly with no hypervisor, used for nested virtualization or licensing that requires bare metal
  2. B.Families (general, compute, memory, storage optimized) map vCPU and RAM ratios to workload profiles.
  3. C.A cloud construct that spreads VM instances across fault and update domains so a single hardware or maintenance event cannot take all replicas down
  4. D.The transparent movement of a running cloud VM off hardware needing maintenance, using memory pre-copy so tenants see at most a brief pause
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17. Which term means: "EC2 instance types that expose the physical server directly with no hypervisor, used for nested virtualization or licensing that requires bare metal"?

Mid
  1. A.Dedicated host
  2. B.VMware Cloud on AWS SDDC
  3. C.EC2 bare metal (.metal)
  4. D.EC2 instance types
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18. Which statement is correct?

Mid
  1. A.EC2 bare metal (.metal) — EC2 instance types that expose the physical server directly with no hypervisor, used for nested virtualization or licensing that requires bare metal
  2. B.EC2 bare metal (.metal) — An Azure VM security setting providing secure boot, vTPM and measured boot to protect against rootkits and boot-level attacks
  3. C.EC2 bare metal (.metal) — Offloads networking, storage, and security to dedicated cards and a lightweight hypervisor for near-bare-metal performance.
  4. D.EC2 bare metal (.metal) — Families (general, compute, memory, storage optimized) map vCPU and RAM ratios to workload profiles.
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19. What is Azure Trusted Launch?

Junior
  1. A.An Azure VM security setting providing secure boot, vTPM and measured boot to protect against rootkits and boot-level attacks
  2. B.A discounted cloud VM that the provider can reclaim with short notice when capacity is needed, suited to fault-tolerant batch work
  3. C.A Google user-space application kernel that intercepts syscalls to sandbox containers, offering stronger isolation than namespaces without a full VM
  4. D.Cloud hosts with no hypervisor layer, letting you run your own virtualization or license-bound workloads.
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20. Which term means: "An Azure VM security setting providing secure boot, vTPM and measured boot to protect against rootkits and boot-level attacks"?

Junior
  1. A.Live migration in public cloud
  2. B.EC2 instance types
  3. C.Firecracker
  4. D.Azure Trusted Launch
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21. Which statement is correct?

Junior
  1. A.Azure Trusted Launch — An Azure VM security setting providing secure boot, vTPM and measured boot to protect against rootkits and boot-level attacks
  2. B.Azure Trusted Launch — The AWS platform that offloads networking, storage and security onto dedicated Nitro cards and a minimal Nitro hypervisor, giving near bare-metal performance
  3. C.Azure Trusted Launch — Offloads networking, storage, and security to dedicated cards and a lightweight hypervisor for near-bare-metal performance.
  4. D.Azure Trusted Launch — A physical server reserved for one tenant's VMs to satisfy compliance or bring-your-own-license rules that forbid shared hardware
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22. What is Confidential VMs (SEV-SNP/TDX)?

Senior
  1. A.Azure compute runs on a customized Hyper-V hypervisor, so Azure VM features map closely to on-prem Hyper-V generations and integration services
  2. B.Isolated, hardened compute environments carved from an EC2 instance with no persistent storage or external network, for processing sensitive data
  3. C.Cloud VMs whose memory is hardware-encrypted from the hypervisor using AMD SEV-SNP or Intel TDX, so the cloud operator cannot read guest memory
  4. D.A physical server reserved for one tenant's VMs to satisfy compliance or bring-your-own-license rules that forbid shared hardware
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23. Which term means: "Cloud VMs whose memory is hardware-encrypted from the hypervisor using AMD SEV-SNP or Intel TDX, so the cloud operator cannot read guest memory"?

Senior
  1. A.AWS Nitro Enclaves
  2. B.Firecracker
  3. C.Confidential VMs (SEV-SNP/TDX)
  4. D.Nested virtualization in cloud
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24. Which statement is correct?

Senior
  1. A.Confidential VMs (SEV-SNP/TDX) — A Google user-space application kernel that intercepts syscalls to sandbox containers, offering stronger isolation than namespaces without a full VM
  2. B.Confidential VMs (SEV-SNP/TDX) — The AWS platform that offloads networking, storage and security onto dedicated Nitro cards and a minimal Nitro hypervisor, giving near bare-metal performance
  3. C.Confidential VMs (SEV-SNP/TDX) — Specific instance sizes expose hardware virtualization to guests so you can run hypervisors inside a VM.
  4. D.Confidential VMs (SEV-SNP/TDX) — Cloud VMs whose memory is hardware-encrypted from the hypervisor using AMD SEV-SNP or Intel TDX, so the cloud operator cannot read guest memory
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25. What is Azure Hyper-V foundation?

Junior
  1. A.Azure compute runs on a customized Hyper-V hypervisor, so Azure VM features map closely to on-prem Hyper-V generations and integration services
  2. B.An AWS open-source KVM-based microVM monitor that boots minimal VMs in milliseconds, powering Lambda and Fargate isolation
  3. C.A discounted cloud VM that the provider can reclaim with short notice when capacity is needed, suited to fault-tolerant batch work
  4. D.The transparent movement of a running cloud VM off hardware needing maintenance, using memory pre-copy so tenants see at most a brief pause
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26. Which term means: "Azure compute runs on a customized Hyper-V hypervisor, so Azure VM features map closely to on-prem Hyper-V generations and integration services"?

Junior
  1. A.AWS Nitro
  2. B.Azure Hyper-V foundation
  3. C.Nested virtualization in cloud
  4. D.gVisor
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27. Which statement is correct?

Junior
  1. A.Azure Hyper-V foundation — A physical server reserved for one tenant's VMs to satisfy compliance or bring-your-own-license rules that forbid shared hardware
  2. B.Azure Hyper-V foundation — Cloud VMs whose memory is hardware-encrypted from the hypervisor using AMD SEV-SNP or Intel TDX, so the cloud operator cannot read guest memory
  3. C.Azure Hyper-V foundation — Azure compute runs on a customized Hyper-V hypervisor, so Azure VM features map closely to on-prem Hyper-V generations and integration services
  4. D.Azure Hyper-V foundation — An AWS open-source KVM-based microVM monitor that boots minimal VMs in milliseconds, powering Lambda and Fargate isolation
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28. What is gVisor?

Senior
  1. A.Cloud VMs whose memory is hardware-encrypted from the hypervisor using AMD SEV-SNP or Intel TDX, so the cloud operator cannot read guest memory
  2. B.A Google user-space application kernel that intercepts syscalls to sandbox containers, offering stronger isolation than namespaces without a full VM
  3. C.Specific instance sizes expose hardware virtualization to guests so you can run hypervisors inside a VM.
  4. D.Cloud hosts with no hypervisor layer, letting you run your own virtualization or license-bound workloads.
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29. Which term means: "A Google user-space application kernel that intercepts syscalls to sandbox containers, offering stronger isolation than namespaces without a full VM"?

Senior
  1. A.gVisor
  2. B.VMware Cloud on AWS SDDC
  3. C.Azure Trusted Launch
  4. D.Bare-metal instances
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30. Which statement is correct?

Senior
  1. A.gVisor — UEFI-based Azure VMs supporting Secure Boot, vTPM (Trusted Launch), and larger boot disks.
  2. B.gVisor — Cloud hosts with no hypervisor layer, letting you run your own virtualization or license-bound workloads.
  3. C.gVisor — A Google user-space application kernel that intercepts syscalls to sandbox containers, offering stronger isolation than namespaces without a full VM
  4. D.gVisor — The transparent movement of a running cloud VM off hardware needing maintenance, using memory pre-copy so tenants see at most a brief pause
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