AWS Cloud Practitioner Essentials Questions and Answers Rated A

AWS Cloud Practitioner Essentials Questions and Answers Rated A Agility -Speed -Experimentation -Culture of Innovation Agility Benefits -Global Reach -Increase Experimentation -Increase Innovation Region -Physical location in the world -Contains multiple Availability Zones Availability Zone -One or more discrete data centers -Housed in serrate facilities Fault Tolerance -Applications operational during component failure -Built-in redundancy of components High Availability -Systems "always" functioning and available -Downtime is minimized -Without human interaction Elasticity/Scalability Scale computing resources up or down easily Region 2 or more availability zones Availability Zone Collection of data centers in a region Edge Location Host a content delivery network to deliver content to the customers VPC Virtual Private Cloud EC2 Elastic Cloud Compute RDS Relational Database Service Multiple VPCs per account? Yes Subnets -Used to divide Amazon VPC -Allows Amazon VPC to span multiple AZs Route Tables Control traffic going out of subnets IGW Internet Gateway Internet Gateway Allows access to the Internet from Amazon VPC NAT Gateway Allows private subnet resources to access Internet NACL Network Access Control Lists Network Access Control Lists Control access to subnets; stateless AWS Lambda Allows you to run code without managing or provisioning servers AMI -Amazon Machine Image -The software load that will come with the instance once it's launched API Application Programming Interface Elastic Beanstalk -Platform as a service -Allows quick deployment of apps -Reduces management complexity Elastic Beanstalk controls -Update your application -Access server log files -Enable HTTPS on load balancer ALB Application Load Balancer ALB does: Distributes incoming application traffic across multiple targets, such as EC2 instances, in multiple Availability Zones. This increases the availability of your application. You add one or more listeners to your load balancer. Elastic Load Balancer (Classic) AURI All Up-front Reserved Instance PURI Partial Up-front Reserved Instance NURI No Up-front Reserved Instance Three fundamental characteristics you pay for with AWS -Compute -Storage -Data Transfer Out Two fundamental characteristics you do not pay for with AWS -Data Transfer In -Data transfer between AWS services within the same region Aggregated outbound AWS services charged as AWS Data Transfer Out EC2, S3, RDS, Simple DB, SQS, SNS, VPC SNS Simple Notification System EC2 Purchasing Considerations -Runtime -Machine Configuration -Machine Purchase Type