114 real Migration & HA 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 vMotion?
Junior
A.A DRS rule that keeps specified VMs running on the same host (VM-VM affinity) or a defined host group (VM-host affinity)
B.a rule keeping specified VMs together on the same host
C.a saved-state VM move with a brief pause
D.live migration of a running VM between ESXi hosts with no downtime
A.Storage vMotion — The default migration model (vMotion, KVM) that iteratively copies dirty memory pages to the destination while the source runs, then briefly pauses to copy the last delta
B.Storage vMotion — XenServer/XCP-ng live migration of a running VM
C.Storage vMotion — a rule keeping specified VMs apart on different hosts
D.Storage vMotion — live migration of a VM's disk files between datastores
A.Fault Tolerance (FT) — A third lightweight component in a two-site stretched cluster or vSAN that breaks quorum ties and decides which site survives a partition
B.Fault Tolerance (FT) — Admission-control setting reserving enough capacity to restart all VMs after losing the specified number of hosts.
C.Fault Tolerance (FT) — Recovery Time Objective: the maximum acceptable time to restore a service after an outage
D.Fault Tolerance (FT) — a lockstep secondary VM giving zero-downtime, no-data-loss failover
A.Hyper-V Live Migration — The default migration model (vMotion, KVM) that iteratively copies dirty memory pages to the destination while the source runs, then briefly pauses to copy the last delta
B.Hyper-V Live Migration — Evacuates VMs from a host flagged as degraded by a hardware health provider before it fully fails.
C.Hyper-V Live Migration — zero-downtime migration of a running VM between hosts
D.Hyper-V Live Migration — A KVM/QEMU migration mode that switches execution to the destination immediately and pulls remaining pages on demand, bounding downtime but risking failure if the network drops mid-migration
A.affinity rule — a rule keeping specified VMs together on the same host
B.affinity rule — live migration of a running VM between ESXi hosts with no downtime
C.affinity rule — A DRS rule that keeps specified VMs on separate hosts so a single host failure cannot take down all members of a clustered application
D.affinity rule — HA uses shared datastores as a secondary liveness channel to distinguish host isolation from host failure.
A.The configured action (leave powered on, power off, shut down) a host takes when it loses management network and cannot reach isolation addresses
B.The default migration model (vMotion, KVM) that iteratively copies dirty memory pages to the destination while the source runs, then briefly pauses to copy the last delta
C.HA uses shared datastores as a secondary liveness channel to distinguish host isolation from host failure.
D.a rule keeping specified VMs apart on different hosts
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