VCA vSphere vMotion & Live Migration 2

Question 1

What is Enhanced vMotion Compatibility (EVC) used for?

Accepted Answer

To enable vMotion between hosts with different CPU generations by masking advanced CPU features

Answer

To increase vMotion network throughput

Answer

To allow vMotion across different data centers

Answer

To automatically schedule vMotion operations during off-peak hours

Question 2

What is Cross-vCenter vMotion?

Accepted Answer

Migration of a VM between ESXi hosts managed by different vCenter Server instances

Answer

vMotion between virtual machines on the same host

Answer

vMotion that crosses VLAN boundaries automatically

Answer

Migrating a VM from vCenter to a standalone ESXi host

Question 3

What is the difference between vMotion and Cold Migration?

Accepted Answer

vMotion migrates a running (powered-on) VM; Cold Migration migrates a powered-off VM

Answer

vMotion moves disk files while Cold Migration moves the compute state

Answer

vMotion requires shared storage; Cold Migration does not require any storage

Answer

vMotion is used only for templates; Cold Migration is used for live VMs

Question 4

How many simultaneous vMotion migrations are supported per ESXi host with a 1 Gbps vMotion network?

Accepted Answer

8

Answer

1

Answer

2

Answer

4

Question 5

Which TCP port does vMotion use by default for data transfer?

Accepted Answer

8000

Answer

443

Answer

902

Answer

8123

Question 6

During a vMotion, what is transferred from the source host to the destination host?

Accepted Answer

The VM's active memory state and CPU execution context

Answer

Only the VM's configuration file (.vmx)

Answer

The VM's disk files (VMDKs) and snapshots

Answer

The VM's network adapter MAC address and IP routing table

Question 7

Which vSphere feature automates vMotion migrations based on cluster resource utilization?

Accepted Answer

vSphere Distributed Resource Scheduler (DRS)

Answer

vSphere High Availability (HA)

Answer

vSphere Fault Tolerance (FT)

Answer

vSphere Replication