What is AWS CloudFormation? – correct answer AWS CloudFormation 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.
Which type of AWS storage is analogous to virtual disks in the cloud? – correct answer Elastic Block
Storage (EBS)
True\/False: EBS volumes persist beyond the life of an EC2 instance. – correct answer True<\/p>\n","protected":false},"excerpt":{"rendered":"
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