There are two ways to specify the AWS Region to use when running AWS Tools for PowerShell commands:

  1. Use the -Region common parameter on individual commands.
  2. Use the Set-DefaultAWSRegion command to set a default Region for all commands.

How do I choose AWS regions?

Assess potential Regions for the right option



Check feature availability of each service and versions available, if your workload has specific requirements. Calculate the cost of the workload on each Region using the AWS Pricing Calculator. Test the network latency between your user base location and each AWS Region.

How do you define a region in AWS?

AWS has the concept of a Region, which is a physical location around the world where we cluster data centers. We call each group of logical data centers an Availability Zone. Each AWS Region consists of multiple, isolated, and physically separate AZs within a geographic area.

How do I set a default AWS region?

You can use similar techniques to setting credentials to set your default AWS region:

  1. Set the AWS Region in the AWS config file on your local system, located at: ~/. aws/config on Linux, macOS, or Unix. …
  2. Set the AWS_REGION environment variable. On Linux, macOS, or Unix, use : export AWS_REGION=your_aws_region.


Is AWS CLI region specific?

For most commands, the AWS CLI automatically determines the URL based on the selected service and the specified AWS Region. However, some commands require that you specify an account-specific URL.

When choosing an AWS Region which factors should you consider?

Parameters to Consider When Choosing an AWS Region



Parameter #1: Latency and proximity—opt for the closest region for low latency. Fast connection to the server ensures better performance in terms of quick loading and transfer times which results in overall better user experience.

Which factors should be considered when selecting a Region?

Several factors play a role in choosing your regions:

  • Region-specific restrictions.
  • User latency by region.
  • Latency requirements of your app.
  • Amount of control over latency.
  • Balance between low latency and simplicity.


How do I find my AWS CLI region?

aws configure get region will get you the current region at that point in your script. If you are using a profile, then type aws configure get region –profile $PROFILE_NAME . This will return the region of the configuration, not the region that your aws cli invocation was performed from.

How do you describe a region?

A region is an area of land that has common features. A region can be defined by natural or artificial features. Language, government, or religion can define a region, as can forests, wildlife, or climate. Regions, large or small, are the basic units of geography.

How many regions does AWS have?

AWS Global Infrastructure Map



The AWS Cloud spans 84 Availability Zones within 26 geographic regions around the world, with announced plans for 24 more Availability Zones and 8 more AWS Regions in Australia, Canada, India, Israel, New Zealand, Spain, Switzerland, and United Arab Emirates (UAE).

What is the difference between AWS regions and availability zones?

AWS Regions are large and widely dispersed into separate geographic locations. Availability Zones are distinct locations within an AWS Region that are engineered to be isolated from failures in other Availability Zones.

Which AWS services are not region specific?

Some services are classed as global services, such as AWS Identity & Access Management (IAM) or Amazon CloudFront, which means that these services are not tied to a specific region.

What is local zone in AWS?

AWS Local Zones are a type of AWS infrastructure deployment that place compute, storage, database, and other select services closer to large population, industry, and IT centers, enabling you to deliver applications that require single-digit millisecond latency to end-users.

How do I enable local zone?

Quote from video: Just like in aws regions you can set up an internet gateway to access your local resources in the local zone over the internet.

What are availability zones?

Availability zones (AZs) are isolated locations within data center regions from which public cloud services originate and operate. Regions are geographic locations in which public cloud service providers’ data centers reside.

How do I change my availability zone in EC2 instance?

And if you need to change the zone, here’s how to do so:

  1. Shutdown / stop the instance.
  2. Right-click the instance and select Create Image to make an AMI from the instance.
  3. Go to the AMI page, right-click on the new AMI and select Launch Instance.
  4. In the new instance settings, choose a specific (different) availability zone.


How do I change the availability zone of a subnet?

Remove an Availability Zone

  1. Select the check box next to an existing group. …
  2. On the Details tab, choose Network, Edit.
  3. In Subnets, choose the delete (X) icon for the subnet corresponding to the Availability Zone that you want to remove from the Auto Scaling group. …
  4. Choose Update.

How do I change my instance state?

With the instance still selected, choose Actions, Instance Settings, Change Instance Type. This action is grayed out if the instance state is not stopped . In the Change Instance Type dialog box, do the following: From Instance Type, select the instance type that you want.

Can we change subnet availability zone?

This is not possible. An Availability Zone is nominated when the Subnet is created. It is not possible to change the AZ on a Subnet. You should either create another subnet, or delete the subnet and recreate it in a different AZ.

Is Auto Scaling region specific?

An Auto Scaling group can contain EC2 instances in one or more Availability Zones within the same Region. However, Auto Scaling groups cannot span multiple Regions.

How many VPC can be created in a region?

You can have one default VPC in each AWS region where your Supported Platforms attribute is set to “EC2-VPC”. Q. What is the IP range of a default VPC? The default VPC CIDR is 172.31.

How many EC2 service zones or regions exist?

four different EC2 service zones

How many EC2 service zones or regions exist? Explanation: There are four different EC2 service zones or regions.