Describe Core Azure Services (15-20%)

Question 1

Describe the benefits and usage of Regions and Region Pairs

Answer 1

Geographical locations, some of them have restrictions. Regions have pairs, these pairs have lowest latency and are great choices for backups. Eg. North Europe and West Europe.

Question 2

Describe the benefits and usage of Availability Zones

Answer 2

Unique physical locations within an Azure region, made up of one or more datacenters; there is a minimum of three zones in each region

Question 3

Describe the benefits and usage of Resource Groups

Answer 3

Folder structure to organise resources.

Question 4

Describe the benefits and usage of Subscriptions

Answer 4

Billing unit, all resources under that subscription are under that credit card. Common to organize things into subscriptions to separate billing to departments etc.

Question 5

Describe the benefits and usage of Management Groups

Answer 5

Groupings of subscriptions in a hierarchical system. Managed by certain users. Groups can contain other groups.

Question 6

Describe the benefits and usage of Azure Resource Manager (ARM)

Answer 6

ARM is the common resource deployment model that

underlies all resource creation or modification. Portal or Powershell etc,

Question 7

Explain Azure resources

Answer 7

Virtual machine, VPC, bots, databases

Question 8

Describe the benefits and usage of Virtual Machines, Azure App Services, Azure Container Instances (ACI), Azure Kubernetes Service (AKS), and Windows Virtual Desktop

Answer 8

Compute (executing code) Services. App Services is PaaS and it runs code. ACI , single instance, quickest container. AKS, cluster of servers, enterprise-grade. WVD is desktop version of windows running in the cloud.

Question 9

Describe the benefits and usage of Virtual Networks, VPN Gateway, Virtual Network peering, and ExpressRoute

Answer 9

Networking Services. Virtual Network emulates a physical network. VPN Gateway is a point of connectivity for VPN. ExpressRoute is a high-speed private connection to Azure not over the internet.

Question 10

Describe the benefits and usage of Container (Blob) Storage, Disk Storage, File Storage, and storage tiers

Answer 10

Storage Services. Blob storage is just pay per GB. Disk storage is pay for a (virtual hdd eg 1TB) and file storage is based on SMB. Hot, Cold, Archive Tiers with either Standard of Premium tier access.

Question 11

Describe the benefits and usage of Cosmos DB, Azure SQL Database, Azure Database for MySQL, Azure Database for PostgreSQL, and SQL Managed Instance

Answer 11

Database Services. Cosmos DB is extremely fast storage, Azure SQL Database, managed and relational DB. MySQL is a common open soruce, PostgreSQL, big open-source DB. SQL Managed Instance, Fully managed and up to date.

Question 12

Describe the benefits and usage of Azure Marketplace

Answer 12

Marketplace, hundreds of types of VMs, OS Images or DB images.