Cloud Virtualization interview questions

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

Answer + AI explanation with Pro

1. A.AWS Nitro
2. B.Azure Trusted Launch
3. C.VMware Cloud on AWS SDDC
4. D.AWS Nitro Enclaves

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

1. A.EC2 instance types
2. B.Live migration in public cloud
3. C.Placement group / availability set
4. D.Azure hypervisor

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

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.

Answer + AI explanation with Pro

1. A.gVisor
2. B.AWS Nitro System
3. C.Dedicated host
4. D.EC2 bare metal (.metal)

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

1. A.Azure Trusted Launch
2. B.Azure Hyper-V foundation
3. C.Spot/preemptible VM
4. D.Firecracker

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

1. A.Nested virtualization in cloud
2. B.EC2 instance types
3. C.Firecracker
4. D.AWS Nitro Enclaves

Answer + AI explanation with Pro

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.

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

1. A.Dedicated host
2. B.VMware Cloud on AWS SDDC
3. C.EC2 bare metal (.metal)
4. D.EC2 instance types

Answer + AI explanation with Pro

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.

Answer + AI explanation with Pro

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.

Answer + AI explanation with Pro

1. A.Live migration in public cloud
2. B.EC2 instance types
3. C.Firecracker
4. D.Azure Trusted Launch

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

1. A.AWS Nitro Enclaves
2. B.Firecracker
3. C.Confidential VMs (SEV-SNP/TDX)
4. D.Nested virtualization in cloud

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

1. A.AWS Nitro
2. B.Azure Hyper-V foundation
3. C.Nested virtualization in cloud
4. D.gVisor

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro

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.

Answer + AI explanation with Pro

1. A.gVisor
2. B.VMware Cloud on AWS SDDC
3. C.Azure Trusted Launch
4. D.Bare-metal instances

Answer + AI explanation with Pro

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

Answer + AI explanation with Pro