AWS Interview Questions and Answers

Ans- There are five types of engines like PostgreDB, OracleDB, MYSQL DB, MariaDB, MS-SQL DB.

Q.2 — Which type of features used in Amazon Cloud Search?

Ans — Five important features use in Amazon cloud search like Entire text search, Prefix Searches, Range searches, Boolean searches, AutoComplete advice.

Q.3 — What is the difference between AMI AND An Instance.

Ans — It is a software configuration of the operating system and the application server.

Q.4 — How much boot time to take of the instance stored AMI?

Ans — Five minutes time to take Amazon instance store-backend AMI.

Q.5 — What is the need for an internet gateway to use peering connections?

Ans — An Internet gateway is needed to use virtual private cloud peering connections.

Q.6 — What is the name of AWS service that exists only to redundantly images and cache data?

Ans — It is an AWS Edge locations are service that redundantly cache data and images.

Q.7 — Give me a number of subnets can have per VPC?

Q.8 — What is the difference between Amazon EC2 and S3?

Ans — S3 and EC2 between lots of difference — Ec2 is a cloud web service used for hosting your application but S3 is a data storage system where any amount of data can be stored.

EC2 is a big computer machine it is run like windows and Linux. It can easily handle the application of PHP, Apache, Python, or databases but if we are talking about S3 is

use REST interface and uses secure HMAC-SHA1 authentication keys.

Q.9 — What the relationship between instance and AMI?

Ans — Instance is the hardware of the host computer and Instance has computer and memory capabilities. Instance like a host and we can interact like any computer. One single AMI can launch multiple types of Instances.

Q.10 — Which type of key components used AWS?

Ans — There are some important key components used AWS:-

CloudWatch: AWS monitors resources, It allows administrators to view and collect the key, one can set a notification alarm in case of trouble.

Elastic Compute Cloud: EC2 is handy in case of unpredictable workloads.EC2 is provides computing resources for hosting applications.

Elastic Block Store: EBS is offering storage volumes that attach to EC2 to allow you to persist data.

Simple Storage Device: S3 is a storage device and the most widely used AWS services.

Simple E-mail Service: Simple E-mail Service is allows sending e-mail using RESTFUL API call or via regular SMTP.

Route 53: Is is a DNS web service.

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