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Different types of Cloud Services are:

• SOFTWARE as a Service (SAAS)
• DATA as a Service (DaaS)
• Platform as a Service (PaaS)
• Infrastructure as a Service (IAAS)

You can have 200 SUBNETS PER VPC.

KEY-Pairs are secure LOGIN INFORMATION for your Virtual Machines. To connect to the INSTANCES, you can use Key-Pairs which CONTAIN a Public Key and a Private Key.

T2 Instances are designed to provide MODERATE baseline PERFORMANCE and the capability to burst to HIGHER performance as REQUIRED by the workload.

Storage Classes available with AMAZON S3 are:

• Amazon S3 Standard
• Amazon S3 Standard-Infrequent Access
• Amazon S3 REDUCED REDUNDANCY Storage
• Amazon GLACIER

DNS and LOAD BALANCER are a PART of IaaS-Storage CLOUD Service.

VPC stands for Virtual Private CLOUD. It allows you to customize your networking CONFIGURATION. VPC is a network that is logically isolated from other networks in the cloud. It allows you to have your private IP Address range, INTERNET gateways, subnets, and security groups.

Elastic Transcoder is an AWS Service Tool that HELPS you in changing a video’s format and resolution to SUPPORT various DEVICES like tablets, smartphones, and laptops of different RESOLUTIONS.

CloudWatch helps you to MONITOR AWS ENVIRONMENTS like EC2, RDS Instances, and CPU utilization. It also TRIGGERS alarms depending on various metrics.

SnowBall is a small APPLICATION that ENABLES you to transfer terabytes of data INSIDE and outside of the AWS environment.

EC2, a VIRTUAL MACHINE in the cloud on which you have OS-level control. You can run this cloud server whenever you want and can be used when you need to deploy your own servers in the cloud, SIMILAR to your on-premises servers, and when you want to have full control over the choice of hardware and the updates on the machine.