AWS Quiz

Welcome to your AWS CSAA Quiz 1: Global Infrastructure

In order to put multiple EC2 instances inside a placement group, the EC2 instances must be

in the same region

in the same edge location

in the same Available Zone

cross the multiple regions

EC2 instances are launched from Amazon Machine images (AMIS). A given public AMI can

only be used to launch EC2 instances in the same edge location as the AMI is stored

only be used to launch EC2 instances in the same AWS region as the AMI is stored.

be used to launch EC2 Instances in any AWS region

only be used to launch EC2 instances in the same AWS availability zone as the AMI is stored

When you're launching an instance with EC2 in US East Region, AWS recommends which Availability zone for the instance?

eu-west-1a

eu-east-1a

The user can never select the availability zone while launching an instance

Do not select the AZ; instead let AWS select the AZ

Hint

When using the following AWS services, which should be implemented in multiple Availability Zones for high availability solutions? Choose 2 answers

Subnet in VPC

EC2

DynamoDB

Elastic Load Balancing

S3

A user has launched one EC2 instance in the US East region and one in the US West region. The user has launched an RDS instance in the US East region. How can the user configure access from both the EC2 instances to RDS?

It is not possible to access RDS of the US East region from the US West region

Configure the security group of the US East region to allow traffic from the US West region’s instance and configure the RDS security group’s ingress rule for the US East EC2 group

Configure the security group of both instances in the ingress rule of the RDS security group

Configure the key pair of both instances in the ingress rule of the RDS key pair

Configure the US West region’s security group to allow a request from the US East region’s instance and configure the RDS security group’s ingress rule for the US East EC2 group

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