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Q181. If SOAP is more secure than Rest, Why many applications today use Rest ?

Ans. SOAP supports only xml whereas Rest support many other formats.

Rest services are very light weight compared to SOAP.

SOAP services are code heavy as they require creation. of stubs and skeltons.

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Q182. Set Locators priority wise in selenium WebDriver.

Ans. Id locators,Name locators,CSS locators,Xpath locators,DOM locators

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Q183. What is the use of load-on-startup ?

Ans. The load-on-startup element of web-app loads the servlet at the time of deployment or server start if value is positive. It is also known as pre initialization of servlet.You can pass positive and negative value for the servlet.

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Q184. If a high CPU Usage happens everyday at a particular time, How would you go about fixing it ?

Ans. We can provision more instances for that particular time slot.

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Q185. Why AWS is better than Azure ?

Cloud Computing

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Q186. Have you ever worked on migrating AWS services and databases from one account to another ?

Amazon Web Services (AWS)

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Q187. Do you know how can we export Redis data ?

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Q188. What is Bastion host ?

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Q189. How do you usually choose which type of EC2 Instance you would like to Use ?

Amazon Web Services (AWS)

Ans. Depend on its pricing module

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Q190. Can making the S3 bucket public ,makes all objects / files inside as public too ?

Amazon Web Services (AWS)

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Q191. How can we make an S3 file public through Java program ?

Amazon Web Services (AWS)

Ans. We can get the object and then can set CannedAcl property as "PublicRead"

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Q192. How can we schedule Lambda function to run daily ?

Amazon Web Services (AWS)

Ans. We can schedule that through CloudWatch.

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Q193. Have you ever changed IAM policy ?

Amazon Web Services (AWS)

Ans. Yes I did it for an execution role of a Lambda function to give it write access on S3 bucket.

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Q194. A customer has a website which is accessible over the Internet and he wants to secure the communication and decides to implement HTTPS instead of HTTP. He has configured EC2 instance behind an ELB. Where should you configure the SSL certificate?

Amazon Web Services (AWS)

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Q195. With regards to VPC, what is the default maximum number of virtual private gateways allowed per region?

Amazon Web Services (AWS)

Ans. 5

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Q196. What is elasticity in relation to Cloud infrastructure ?

Cloud Computing

Ans. The power to scale computing resources up and down easily with minimal friction

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Q197. How many requests per second can Amazon CloudFront handle?

Amazon Web Services (AWS)

Ans. 10000

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Q198. What is the objective of enabling versioning on a s3 bucket ?

Amazon Web Services (AWS)

Ans. So that it doesn't overwrite the existing file with the same name and maintain versioning of it.

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Q199. Which IAM policy condition key should be used if you want to check whether the request was sent using SSL?

Amazon Web Services (AWS)

Ans. AWS: secure transport

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Q200. Which AWS service is a task coordinator and state management service for cloud applications.

Amazon Web Services (AWS)

Ans. Amazon SWF

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Q201. What are the IP address mechanisms supported by ELB?

Amazon Web Services (AWS)

Ans. IPv4 and IPv6

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Q202. Which ELB component is responsible for monitoring the Load Balancers?

Amazon Web Services (AWS)

Ans. Controller Service

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Q203. What is the default limit on number of EC2 instances in each region ?

Amazon Web Services (AWS)

Ans. 20

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Q204. What is the scale of durability in Amazon S3?

Amazon Web Services (AWS)

Ans. 99.999999999%

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Q205. How will you upload a file greater than 100 megabytes in Amazon S3?

Amazon Web Services (AWS)

Ans. AWS now allows file upto 5GB in S3

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Q206. Can we do Cross Region replication in Amazon S3 without enabling versioning on a bucket?

Amazon Web Services (AWS)

Ans. Yes

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Q207. What are the different types of actions in Object Lifecycle Management in Amazon S3?

Amazon Web Services (AWS)

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Q208. What is Geo Targeting in Amazon CloudFront?

Amazon Web Services (AWS)

Ans. Geo Targeting will the users country of origin and pass along with country code to you in the cloudFront viewer country header.

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Q209. What is AWS Snowball?

Amazon Web Services (AWS)

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Q210. What are the different types of load balancing options provided by Amazon Elastic Load Balancing (ELB)?

Amazon Web Services (AWS)

Ans. Application load balancing
Network load balancing
Classic load balancing

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