AWS ACF Módulo 10 - Auto Scaling e monitoramento

An administrator would like to efficiently automate the replication and deployment of a specific software configuration existent on one EC2 instance onto four hundred others. Which AWS Service is BEST suited for this implementation?

• AWS OpsWorks

• AWS BeanStalk

• AWS Launch Configuration

• AWS Auto-scaling

Which of the following is the concept of the Elastic Load Balancer?

• To distribute traffic to multiple EC2 Instances

• To scale up EC2 Instances

• To distribute traffic to AWS resources across multiple regions

• To increase the size of the EC2 instance based on demand

When designing a system, you use the principle of "design for failure and nothing will fail". Which of the following services/features of AWS can assist in supporting this design principle? Choose 3 answers from the options given below:

• Availability Zones

• Regions

• Elastic Load Balancer

• Pay as you go

Whilst running an application on a EC2 instance behind an Elastic Load Balancer, an administrator receives a 504 error on their browser. What does this mean?

• The ELB instance has stopped running

• The application running on the EC2 instance is serving the 504 error page because it has exceeded its response timeout

• The URL for the application has expired

• The application is unresponsive so the ELB instance serves the 504 error page

You are requested to expose your serverless application implemented with AWS Lambda to HTTP clients (using an HTTP Proxy). Which of the following AWS services can you use to accomplish the task? (Select TWO)

• AWS Elastic Load Balacing (ELB)

• AWS Route 53

• AWS API Gateway

• AWS Lightsail

• AWS Elastic Beanstalk

An e-commerce web application running on AWS on EC2 is experiencing bad performance in browsing and searching use cases when heavy load order user-cases are running at the same time. The application monitors highlights a bottleneck in the web tier. You decide to re-engineer the application code decoupling the web tier from the orders heavy workloads. What AWS service can support the application change?

• AWS Auto Scaling

• AWS Elastic Load Balancing

• AWS SQS

• Amazon Kinesis Streams

Which of the below AWS services allows you to increase the number of resources on the demand of the application or users?

• AWS EC2

• AWS Autoscaling

• AWS ELB

• AWS Inspector

Which of the following resources can AWS WAF integrate with to protect web applications against common web exploits ?(Select TWO)

• Amazon CloudFront

• Internet Gateway

• Web Server hosted on Amazon EC2 Instance

• Application Load Balancer

• Static Website hosted on Amazon S3 bucket

Which of the following services relates to the concept of "Distributing traffic to multiple EC2 instances"?

• Autoscaling

• Elastic Load Balancer

• VPC

• Subnets

Which of the following services relates the concept of "scaling up resources based on demand"?

• Auto Scaling

• Elastic Load Balancer

• VPC

• Subnet