Azure Virtual Machine Scale Sets

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18 Questions

What Azure networking service can be used to connect Azure resources with on-premises resources?

Virtual WAN

Which Azure networking service is primarily used for protecting applications?

DDoS protection

Which of the following Azure networking services is responsible for delivering applications within the Azure network?

Content Delivery Network (CDN)

What Azure networking service can be used as a secure gateway to access Azure virtual machines?

Azure Bastion

Which Azure networking service is suitable for monitoring network resources in Azure?

Azure Monitor

What Azure networking service can be used for load balancing traffic across multiple servers within an Azure environment?

Load Balancer

What is a key benefit of Azure Virtual Machine Scale Sets in terms of high availability?

Automatically distributing VM instances across multiple datacenters

How do Scale Sets ensure minimal interruption in accessing the application if one VM instance has a problem?

By automatically redirecting users to another VM instance

What type of traffic distribution does Azure load balancer support in Scale Sets?

Basic layer-4 traffic distribution

How does Scale Sets handle auto-scaling based on customer demand?

Automatically increasing or decreasing the number of VM instances

What feature allows Scale Sets to reduce unnecessary VM instances when demand is low?

Autoscale

What is a key benefit of Azure Virtual Machine Scale Sets?

Automatically increases or decreases VM instances based on demand

How can Availability Zones enhance the high availability provided by Scale Sets?

Automatically distributing VM instances within a single datacenter or across multiple datacenters

Which Azure service is ideal for horizontally scaling stateless applications with a high Requests Per Second (RPS) requirement?

Azure Kubernetes Service (AKS)

What is the main advantage of creating multiple App Service Environments in Azure across multiple regions?

Flexibility in scaling geographically distributed applications

Which feature distinguishes Azure Virtual Machine Scale Sets from regular Azure Virtual Machines?

Automatic scaling based on resource demand

What role do Azure Virtual Machine Scale Sets play in ensuring high availability for applications?

Distributing VMs across availability zones or fault domains

What does Azure Kubernetes Service (AKS) offer for developing and deploying cloud-native apps?

Built-in code-to-cloud pipelines

Study Notes

Azure Networking Services

  • Provide various networking capabilities that can be used together or separately
  • Include connectivity services, application protection services, application delivery services, and network monitoring

Connectivity Services

  • Connect Azure resources and on-premises resources using:
    • Virtual Network (VNet)
    • Virtual WAN
    • ExpressRoute
    • VPN Gateway
    • Virtual network NAT Gateway
    • Azure DNS
    • Peering service
    • Azure Virtual Network Manager
    • Route Server
    • Azure Bastion

Application Protection Services

  • Protect applications using:
    • Load Balancer
    • Private Link
    • DDoS protection
    • Firewall
    • Network Security Groups
    • Web Application Firewall
    • Virtual Network Endpoints

Application Delivery Services

  • Deliver applications using:
    • Content Delivery Network (CDN)
    • Azure Front Door Service
    • Traffic Manager
    • Application Gateway
    • Internet Analyzer
    • Load Balancer

Network Monitoring

  • Monitor network resources using:
    • Network Watcher
    • ExpressRoute Monitor
    • Azure Monitor
    • VNet Terminal Access Point (TAP)

Azure Virtual Machine Scale Sets

  • Provide high availability by running multiple instances of an application
  • Automatically distribute VM instances in a scale set within a single datacenter or across multiple datacenters using Availability Zones
  • Allow applications to automatically scale as resource demand changes
  • Minimize unnecessary VM instances when demand is low
  • Support up to 1000 VMs per scale set

App Service Environments

  • Ideal for horizontally scaling stateless applications with high RPS requirements
  • Can be created in a single Azure region or across multiple Azure regions

Azure Kubernetes Service (AKS)

  • Offers a quick way to develop and deploy cloud-native apps in Azure, datacenters, or at the edge
  • Provides unified management and governance for on-premises, edge, and multicloud Kubernetes clusters
  • Interoperates with Azure security, management, and migration services

Learn about Azure Virtual Machine Scale Sets and their key benefits, such as providing high availability and supporting Azure load balancer and Application Gateway for traffic distribution.

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