Module 8 - Configure Virtual Machines

Question 1

Cloud services Responsibilities

Answer 1

When a VM is deployed it is a Iaas

all the physical hardware is Microsoft responsibility

Question 2

Plan virtual Machines

Answer 2

Start with with the network
If not specified azure will default to the 10.0.0.0/16

Name the virtual machine

Choose a location
Each region has different hardware and service capabilities
Locate the VM as close as possible to your users and to ensure compliance and legal obligations. Also inbound traffic is free but outbound they charge.

Consider pricing

Question 3

Determine VM sizing

Answer 3

General purpose:
Balanced CPU to memory ratio

Computer optimized:
High COU to memery ratio

Memory optimized:
High memory to cpu ratio

Storage optimized

GPU

High performance compute

Question 4

Determine VM Storage

Answer 4

Each Azure VM has two or more disks
OS disk
Temporary disk ( not all SKU have one , content can be lost

OS and data disks reside in the azure storage accounts
Azure based storage service
Standard

Azure VM use managed disks

Question 5

Connect to VM’s

Answer 5

Bastion subnet for RDP/SSH through the portal over SSL

Remote desktop protocol for windows based vm’s

Secure shell protocol for Linux based VM’s

Question 6

Connect to windows VM’s

Answer 6

Remote desktop protocol
creates a GUI session and accepts inbound traffic on TCP port 3389

WinRM creates a command line session so you can run scripts

Question 7

Connect to Linux VM’s

Answer 7

Authenticate with a SSH public key or password

SSH is an encrypted connection protocol that allows secure logins over unsecured connections

There are public and private keys

RSA public key is used which is asymmetric algorithm