AWS - mód 4 - CLOUDFRONT,AUTO SCALING, CLOUDWATCH, ELASTIC BEANSTALK

Question 1

What is AWS CloudFront?

Answer 1

Amazon Cloud Front is a web service that accelerates the distribution of your static and dynamic web content, such as .html, .css, .js, image files, to your users.
Cloud Front delivers its content through a worldwide network of data centers called edge locations.
When requesting content that you are serving as CloudFront, the user is routed to the point of presence with the lowest latency (time delay) so that the content is delivered with the best possible performance

Question 2

What is Autoscaling?

Answer 2

AWS Auto Scaling lets you configure autoscaling for the AWS Scalable resources that are part of your application, in a matter of minutes. The AWS AutoScaling console provides a single user interface for using autoscaling resources across multiple AWS services. You can configure autoscaling for individual resources or for entire applications.

Question 3

what is Elastic Load Balancing?

Answer 3

AWS Elastic Load Balancing automatically distributes incoming application traffic across multiple destinations, such as Amazon EC2 instances, containers, IP addresses, and Lambda functions.
The service can handle the varying traffic load of applications in a single availability zone or across multiple availability zones.
ElasticLoadBalancing offers three types of loadbalancers, all of which provide the high availability, autoscaling, and robust security required to make applications fault-tolerant.

Question 4

What is Cloud Watch?

Answer 4

monitors your Amazon Web Services (AWS) resources and the applications you run on AWS in real time. You can use Cloud Watch to collect and monitor metrics, which are the variables you can measure to evaluate your resources and applications

Question 5

what is Elastic Beanstalk?

Answer 5

AWS Elastic Beanstalk makes it even easier for developers to quickly deploy and manage applications in the AWS Cloud. Developers simply upload their applications and ElasticBeanstalk automatically manages the deployment details of capacity provisioning, load balancing, AutoScaling, and application health monitoring.

Question 6

É correto afirmar que é gratuita a utilização do Elastic Beanstalk.

Answer 6

CORRECT. You will be charged for resources provisioned in Elastic BeanStalk.

Question 7

Which solution provides the FASTEST application response times to frequently accessed data to users in multiple AWS Regions?

Answer 7

Amazon CloudFront to edge locations
This answer is correct.
https://aws.amazon.com/getting-started/tutorials/deliver-content-faster/

Question 8

Which of the following are features of Amazon CloudWatch Logs?

Answer 8

Adjustable Retention
Real Time Monitring
This answer is correct.
https://aws.amazon.com/pt/cloudwatch/faqs/

Question 9

What is Amazon CloudWatch?

Answer 9

A metrics repository with customizable notification thresholds and channels.
This answer is correct.
https://docs.aws.amazon.com/AmazonCloudWatch/latest/monitoring/cloudwatch_architecture.html

Question 10

A Developer has developed a web application and wants to deploy it quickly on a Tomcat server on AWS. The Developer wants to avoid having to manage the underlying infrastructure. What is the easiest way to deploy the application, based on these requirements?

Answer 10

AWS Elastic Beanstalk
This answer is correct.
https://docs.aws.amazon.com/pt_br/elasticbeanstalk/latest/dg/Welcome.html

Question 11

Which feature adds elasticity to Amazon EC2 instances to handle the changing demand for workloads?

Answer 11

Amazon EC2 Auto Scaling