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8 Top AWS services before you learn read today

AWS provides various services. This post gives clear understanding on AWS top services. Not only for traditional services, it also offer services for Mobile  IoS and Android Os.


Aws Service catalog helps organizations to manage their IT services.
List of Top AWS  ServicesEC2LambdaS3DynamoDBIAMAmazon CognitioDevice FarmMobile analyticsSNS AWS EC2 Instance EC2: Amazon Elastic Compute Cloud (EC2) provides secure, scalable, on-demand hardware virtualization in the cloud.
Using Amazon EC2 eliminates the need to invest in server hardware up front so that users can focus on, develop, and deploy applications faster. 
EC2 instances come in various hardware configurations and include an operating system.

Lambda Function in AWS AWS Lambda lets users run snippets of code without provisioning an infrastructure. 
This service is billed on a pay-as-you-go model, with users only paying for the execution time of their lambda code. 
There is no charge when code is not running. Lambda code can be set up to…

Windows Azure Cloud computing top points you need to learn now


Interestingly, Windows Azure is an open platform that will support both Microsoft and non-Microsoft languages and environments.

Basically Windows Azure is Cloud computing

To build applications and services on Windows Azure, developers can use their existing Microsoft® Visual Studio® 2008 expertise.

What is Azure

Windows Azure is not grid computing, packaged software, or a standard hosting service. It is an integrated development, service hosting and management environment maintained at Microsoft data centers. The environment includes a robust and efficient core of compute and simple storage capabilities and support for a rich variety of development tools and protocols.

Jon Brodkin of Network World quotes Tim O'Brien, senior director of Microsoft's Platform Strategy Group, as saying that Microsoft's Windows Azure and Amazon's Elastic Compute Cloud tackle two very different cloud computing technology problems today, but are destined to emulate each other over time.

Many existing applications were built on the LAMP platform (Linux, Apache, MySQL and PHP).

While Microsoft would certainly like to convince you to build applications on its .NET platform using Microsoft development tools, it has recognized that restricting Azure to .NET and proprietary tools will limit its use and slow its growth.
Accordingly, it has provided a Windows Azure SDK for PHP that provides access to Windows Azure's storage, computation and management interfaces by abstracting the REST/XML interface Windows Azure provides into a simple PHP API.

Windows Azure has now been updated with .NET Framework 4.0, and there are new tools for Visual Studio and an updated SDK. The tools are much improved. You can now view the status of your Azure-hosted services and get read-only access to Azure data from within the Visual Studio IDE.

How to Debug

Debugging Azure applications is now easier, thanks to a feature called IntelliTrace that keeps a configurable log of application state so you can trace errors later. 

Deployment is now streamlined, and it can now be done directly from the IDE rather than through an Azure portal. 

The Azure database service, SQL Azure, has been updated too. It now supports spatial data types and databases up to 50GB. 

There is also a new preview of an Azure Data Synch Service, which controls synchronizing data across multiple datacenters, and a web manager for SQL Server on Azure.

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Hyperledger Fabric Real Interview Questions Read Today

I am practicing Hyperledger. This is one of the top listed blockchains. This architecture follows R3 Corda specifications. Sharing the interview questions with you that I have prepared for my interview.

Though Ethereum leads in the real-time applications. The latest Hyperledger version is now ready for production applications. It has now become stable for production applications.
The Hyperledger now backed by IBM. But, it is still an open source. These interview questions help you to read quickly. The below set of interview questions help you like a tutorial on Hyperledger fabric. Hyperledger Fabric Interview Questions1). What are Nodes?
In Hyperledger the communication entities are called Nodes.

2). What are the three different types of Nodes?
- Client Node
- Peer Node
- Order Node
The Client node initiates transactions. The peer node commits the transaction. The order node guarantees the delivery.

3). What is Channel?
A channel in Hyperledger is the subnet of the main blockchain. You c…