VCP vSphere Infrastructure & Networking 2

Question 1

Which vSphere feature monitors ESXi host and virtual machine performance and automatically balances workloads across hosts in a cluster?

Accepted Answer

vSphere DRS

Answer

vSphere Distributed Resource Scheduler (DRS) monitors resource utilization and automatically migrates VMs via vMotion to balance workloads.

Question 2

In a vSphere environment, what does the term 'overcommitment' refer to in the context of memory?

Accepted Answer

Allocating more memory to VMs than is physically available on the host

Answer

Memory overcommitment occurs when the total memory allocated to all VMs on a host exceeds the physical RAM available, relying on VMware's memory management techniques.

Question 3

Which ESXi resource management construct sets a guaranteed minimum amount of CPU or memory that a virtual machine will always receive?

Accepted Answer

Reservation

Answer

A reservation guarantees that a specified amount of CPU (MHz) or memory (MB) is always available to a virtual machine, regardless of host contention.

Question 4

What is the role of the vCenter Server Appliance (VCSA) in a vSphere environment?

Accepted Answer

It provides centralized management, automation, and orchestration of ESXi hosts and VMs

Answer

vCenter Server Appliance (VCSA) is the central management platform for vSphere, enabling administration of ESXi hosts, VMs, clusters, and policies from a single interface.

Question 5

Which vSphere technology provides CPU-level isolation by creating separate execution environments for virtual machines?

Accepted Answer

Hardware Virtualization (HV) with VT-x/AMD-V

Answer

Intel VT-x and AMD-V hardware virtualization extensions enable the VMkernel to create isolated virtual CPU environments with near-native performance.

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VCP vSphere Infrastructure & Networking 2