CloudnLoud – AWS Interview Questions
Here is the list of AWS Interview Questions which are recently asked in CloudnLoud company. These questions are included for both Freshers and Experienced professionals.
1. How To Use Amazon Sqs?
Amazon SQS is a queue from which the services pull data, and it supports exactly-once delivery of messages. If no workers pull jobs from SQS, the messages stay in the queue. SNS is a publisher-subscriber system that pushes messages to subscribers
2. Can I Vertically Scale An Amazon Instance? How?
Amazon does not provide a service for automatically scaling instances vertically, only horizontally, because horizontal scaling is the only type of scaling that doesn't incur down time.
3. What Are The Security Best Practices For Amazon Ec2?
Best practices for Amazon EC2- Manage access to AWS resources and APIs using identity federation, IAM users, and IAM roles.
- Implement the least permissive rules for your security group.
- Regularly patch, update, and secure the operating system and applications on your instance.
4. Explain Storage For Amazon Ec2 Instance.?
Many instances can access storage from disks that are physically attached to the host computer. This disk storage is referred to as instance store. Instance store provides temporary block-level storage for instances.
5. What Is Amazon Machine Image (ami)?
An Amazon Machine Image is a packaged environment containing a software configuration and other parts required to set up an instance. The machine images are like templates that are configured using an operating system, an application server, and any additional application required to deliver a service or a part of it.
6. Name The Various Layers Of The Cloud Architecture?
The 4 layers of Cloud: Infrastructure as a Service (IaaS), Platform as a Service (PaaS, Software as a Service (SaaS), Business Process Outsourcing (BPO)
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7. Distinguish Between Scalability And Flexibility?
Scalability refers to the ability for your resources to increase or decrease in size or quantity. Elasticity is the ability for your resources to scale in response to stated criteria.
8. What Is Lambda@edge In Aws?
Lambda@Edge is a feature of Amazon CloudFront that lets to run code closer to users of the application, which improves performance and reduces latency. With Lambda@Edge, to can enrich your web applications by making them globally distributed and improving their performance — all with zero server administration.
9. What Are The Components Involved In Amazon Web Services?
The different components of AWS are- Amazon Cluster.
- Storage, Databases.
- Management and security.
- Networks, Analytics.
- Application services.
- Implementation and management.
10. What Is The Importance Of Buffer In Amazon Web Services?
Buffer helps to synchronize different components, which gets requests and processes in an unsynchronized way. It manages the balance between various components in order to maintain the speed and provide a faster service. In AWS buffer also ensures efficiency over traffic or load.
11. What Are The Key Components Of Aws?
- Amazon Cluster, Storage, Databases.
- Management and security.
- Networks, Analytics.
- Application services.
- Implementation and management.
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