Amazon Cloud Practitioner Certification Comprehensive Exam.

What is AWS Cloud Formation? correct answer - AWS Cloud Formation provides the sysadmin, network architect, and other IT personnel the ability to provision and manage stacks of AWS resources based on templates you create to model your infrastructure architecture. Elastic Compute Cloud - EC2 correct answer - A web service that provides resizable computing capacity in the cloud. True or False: There are no outbound data transfer charges between Amazon Web Services in the same Region correct answer - True What is the charge for in-bound data transfer across all Amazon Web Services in all regions? correct answer - There is no charge for in-bound data transfer across all AWS services in all regions. What are the three fundamental characteristics you pay for in AWS? correct answer - Compute, storage, and data transfer out. Which Amazon Services are offered at no-charge? correct answer - Amazon VPC Amazon Beanstalk Amazon CloudFormation Amazon IAM Amazon Auto-Scaling Amazon OpsWorks What is a Spot Instance? correct answer - Spot instances are spare EC2 capacity that can save you up 90% off of On-Demand prices that AWS can interrupt with a 2-minute notification. Spot uses the same underlying EC2 instances as On-Demand and Reserved Instances, and is best suited for fault-tolerant, flexible workloads. True or False: Spot prices adjust gradually based on long term supply and demand for spare EC2 capacity. correct answer - True True or False: Windows Server with SQL Server is currently available as a spot instance. correct answer - False What is Amazon S3? correct answer - Amazon S3 is storage for the Internet. It provides a simple web interface that offers a highly-scalable, reliable, and low-latency data storage infrastructure at very low costs. What is the largest object size that can be uploaded in S3 with a single PUT command? correct answer - The largest object that can be uploaded in a single PUT is 5 gigabytes. What storage classes does Amazon S3 offer? correct answer - Amazon S3 Standard for general-purpose storage of frequently accessed data Amazon S3 Standard - Infrequent Access for long-lived, but less frequently accessed data Amazon Glacier for long-term archive What is Reduced Redundancy Storage? correct answer - Reduced Redundancy Storage (RRS) is an Amazon S3 storage option that enables customers to reduce their costs by storing noncritical, reproducible data at lower levels of redundancy than Amazon S3's standard storage. What factors are taken in account to estimate S3 storage charges? correct answer - Storage Class, storage (the number and size of objects stored in your S3 bucket), requests (the number and type of requests), and data transfer(the amount of data transferred out of the S3 region) are factors that should be considered to estimate S3 charges.