Study Guide QUESTIONS AND
CORRECT ANSWERS
Explain what AWS is? - CORRECT ANSWERS AWS stands for
Amazon Web Service; it is a collection of remote computing services also
known as a cloud computing platform. This new realm of cloud computing is
also known as IaaS or Infrastructure as a Service.
Mention what the key components of AWS are? - CORRECT ANSWERS
he key components of AWS are
Route 53:A DNS web service
Simple E-mail Service:It allows sending e-mail using RESTFUL API call or via
regular SMTP
Identity and Access Management:It provides enhanced security and identity
management for your AWS account
Simple Storage Device or (S3):It is a storage device and the most widely used
AWS service
Elastic Compute Cloud (EC2): It provides on-demand computing resources for
hosting applications. It is handy in case of unpredictable workloads
Elastic Block Store (EBS):It offers persistent storage volumes that attach to EC2
to allow you to persist data past the lifespan of a single Amazon EC2 instance
CloudWatch: To monitor AWS resources, It allows administrators to view and
collect key Also, one can set a notification alarm in case of trouble.
Explain what S3 is? - CORRECT ANSWERS S3 stands for Simple
Storage Service. You can use S3 interface to store and retrieve any amount of
data, at any time and from anywhere on the web. For S3, the payment model is
"pay as you go."
What is AMI? - CORRECT ANSWERS AMI stands for Amazon
Machine Image. It's a template that provides the information (an operating
, system, an application server, and applications) required to launch an instance,
which is a copy of the AMI running as a virtual server in the cloud. You can
launch instances from as many different AMIs as you need.
Mention what the relationship between an instance and AMI is? - CORRECT
ANSWERS From a single AMI, you can launch multiple types of
instances. An instance type defines the hardware of the host computer used for
your instance. Each instance type provides different computer and memory
capabilities. Once you launch an instance, it looks like a traditional host, and we
can interact with it as we would with any computer.
What does an AMI include? - CORRECT ANSWERS A template for the
root volume for the instance
Launch permissions decide which AWS accounts can avail the AMI to launch
instances
A block device mapping that determines the volumes to attach to the instance
when it is launched
How can you send a request to Amazon S3? - CORRECT ANSWERS
Amazon S3 is a REST service, and you can send a request by using the REST
API or the AWS SDK wrapper libraries that wrap the underlying Amazon S3
REST API.
How many buckets can you create in AWS by default? - CORRECT ANSWERS
By default, you can create up to 100 buckets in each of your AWS
accounts. You can submit a service limit increase up to 1000 buckets.
Mention what the difference between Amazon S3 and EC2 is? - CORRECT
ANSWERS EC2
It is a cloud web service used for hosting your application.
It is like a huge computer machine which can run either Linux or Windows and
can handle application like PHP, Python, Apache or any databases