2. VMWare SDDC: Compute Virtualization

Question 1

Attributes of a physical datacentre?

Answer 1

Compute: Physical servers
Storage: Physical drives
Networking: Spine-Leaf architecture

Question 2

Attributes of an SDDC?

Answer 2

SDC/Software Defined Compute: Takes physical resources like CPUs/Memory/RAM and provisions it into virtual machines or containers

SDS/Software Defined Storage: Pools and manages multiple storage resources into a single pool

SDN/Software Defined Network: Takes physical resources like switches and firewalls and deploy them virtually

Question 3

Reference Design

Answer 3

Blueprint created by VMWare that lays out the requirements and steps for building an SDDC

Question 4

vSphere

Answer 4

Made up of 2 main products:
ESXi: Type 1 Hypervisor
vCenter: Manages ESXi hosts and virtual machines

Question 5

VM Mobility

Answer 5

Moving a virtual machine from one ESXi host to another

Question 6

Type 1/2 Hypervisor

Answer 6

Type 1: Runs on bare-metal
Type 2: Runs as software on top of an operating system

Question 7

vSAN

Answer 7

Virtual Storage Area Network
Feature of vSphere
Combines the storage of available ESXi hosts into one pool

Question 8

Does vSAN require a fibre channel network?

Answer 8

No, as that is an ethernet protocol

Question 9

Greenfield Deployment

Answer 9

Brand new datacentre deployment

Question 10

Brownfield Deployment

Answer 10

Infrastructure already in place from previous deployment

Question 11

Is it easier to deploy a new datacentre in a greenfield, or a brownfield?

Answer 11

Greenfield - No need to remove old equipment