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4 Layers of AWS Architecture a Quick Answer

I have collected real interview questions on AWS key architecture components. Those are S3, EC2, SQS, and SimpleDB. AWS is one of the most popular skills in the area of Cloud computing. Many companies are recruiting software developers to work on cloud computing.

AWS Key Architecture Components AWS is the top cloud platform. The knowledge of this helpful to learn other cloud platforms. Below are the questions asked in interviews recently.
What are the components involved in AWS?Amazon S3.With this, one can retrieve the key information which is occupied in creating cloud structural design, and the amount of produced information also can be stored in this component that is the consequence of the key specified.Amazon EC2. Helpful to run a large distributed system on the Hadoop cluster. Automatic parallelization and job scheduling can be achieved by this component.Amazon SQS. This component acts as a mediator between different controllers. Also worn for cushioning requirements those are obt…

11 Top Blockchain Advantages Zero Manual Edit

Blockchain has a lot of advantages over traditional methods. Since traditional methods  take longer processing time and they have less security.

The major advantages include security and faster. With these Blockchain has a lot of potential to use in financial applications.

Major areas to use Blockchain are Banks, Share markets, Government Bodies, and Big Corporations.   

Less maintenance and distributable nature made the blockchain hot in the market. Manual editing of transactions not possible. So you cannot tamper the transactions.

Blockchain top benefits or key advantages for financial world given in this article to refresh your knowledge. Explained the advantages and disadvantages. Read more.
Photo Credit: Srini

How Blockchain Manages Transactions - Quick Recap

  • Blockchain stores each transaction in Blocks. No one can tamper or change the details. 
  • The people who are making a transaction in Blockchain world they both have same copies. 
  • No possibility of changing these records by parties involved. So it is robust.

Key Advantages of Blockchain

  1. The ledger details distributed.
  2. Distributed-data available to all parties, and one cannot tamper this data. 
  3. Every transaction is Public. That means only people who have access can see the information. 
  4. Stores all records permanently.
  5. One cannot edit or manipulate the data.
  6. Hacking is not possible.  In Blockchain one cannot hack the data. Since it is distributed.
  7. The centralized processing is slower. Whereas Blockchain is much faster. Verification and completing a transaction is much faster.
  8. The centralized system is expensive. Each server in the network charges some amount as processing fee. In Blockchain, you can eliminate intermediaries.
  9. The Centralized databases are expensive to carry transactions of low value. The fee to pay intermediaries is huge.
  10. Data in Blockchain cannot be edited. In the case of Centralized databases, the Banks or Private Organizations can edit it.
  11. Maintenance of Blockchain is cheaper.

Key Disadvantages of Blockchain

  • Publish carefully. Once publishes you cannot take back.

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