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Q181. How On demand Self Service helps saving cost ?

Ans. On Demand service restricts cost by paying only for the use and Self Service saves cost by reducing intermediary human resource cost.

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Q182. How Resource Pooling helps saving cost ?

Cloud Computing

Ans. With resource pooling and Pay as per use , Bigger companies like Google and Amazon can buy Large physical hardware and employ economy of scale and hence resulting in cost saving for customers.

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Q183. What is the difference between Billing Alerts and Budget Quotas in GCP ?

Google Cloud Platform (GCP)

Ans. Alerts only let customer knows of any excessive usage whereas Quota restricts the usage beyond a certain point.

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Q184. What are the different types of Services GCP provides ?

Google Cloud Platform (GCP)

Ans. Compute
Network
Storage
Big Data
Machine Learning

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Q185. Why would a cloud customer use resources in multiple regions and zones ?

Cloud Computing

Ans. 1. Fault Tolerance
2. Better Access by bringing the application closer to the users.

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Q186. Which category of services, Amazon Lambda belongs to ?

Amazon Web Services (AWS)

Ans. It's Serverless and PAAS ( Platform as a service )

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Q187. Which category of service , Amazon EC2 and S3 belongs to ?

Amazon Web Services (AWS)

Ans. They are IAAS ( Infrastructure as a service )

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Q188. Which category of service , Google Search and Drive belongs to ?

SAAS

Ans. They are SAAS ( Software as a Service )

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Q189. Is Google App Engine , IAAS, PAAS or SAAS ?

Google Cloud Platform (GCP)

Ans. It's PAAS ( Platform as a service )

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Q190. What is the difference between Co Location, Virtualization and Serverless ?

Infrastructure

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Q191. How does cloud computing helps saves cost ?

Cloud Computing

Ans. Cloud computing helps saving overall cost for infrastructure and service usage through following -

1. On demand Services and elasticity - You only pay for what you use. Less Ideal time.

2. Resource Pooling

3. Self Service - Less involvement of human resources

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Q192. Can we pass the junit test if the tested method throws the exception ? and Should we do that ?

Junit

Ans. Yes, We can pass the test even if the tested method throws an exception.

One way is know as exception testing in which the tested method is expected to throw exception and hence the expectation is set accordingly.

@Test(expected = IndexOutOfBoundsException.class)
public void test(){}

Other way is to just ignore if the tested code throws an exception. In that case , we can enclose the tested method call in the try block and within exception block, we just return gracefully.

Exception testing is perfectly ok to be done as we would like test code in case an exception occurs and if the code is handling the exception properly. Ignoring the exception by putting the tested method call within try block isn't something normal and should be avoided.

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Q193. What is the use of defining equals , compareTo and hashcode methods in a class ? Where are they used ?

Core Java

Ans. equals, compareTo and hashcode are of use when the objects are used within collections.

Equals helps with collections that helps maintaining only unique objects ( like Set )

compare and compareTo helps with collections that helps maintaining objects in order ( TreeSet, TreeMap etc )

hascode helps with collections that facilitates hash searching ( like hashSet, hashMap etc )

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Q194. What is the advantage of moving text messages to a separate properties file , like message.properties instead of hard defining it on the html ?

Design

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Q195. Can we check two html radio buttons together ?

Html

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Q196. Difference between Span and Div ?

Html

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Q197. Develop an address form in React js.

React JS

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Q198. CSS Box Model

CSS

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Q199. prototypal inheritance in Javascript

JavaScript

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Q200. Create a component and sort the data to show specific information.

React JS

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Q201. Have you had to work with memory leak problems in javascript ?

JavaScript

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Q202. Write a method to track every click on a page.

JavaScript

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Q203. What is the difference between inheritance in PHP vs. Javascript?

JavaScript

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Q204. Why would you use XML over JSON when using ajax ?

JSON

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Q205. Explain Identity management in GCP ?

Google Cloud Platform (GCP)

Ans. IAM is used to define the level of access to GCP services

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Q206. Explain Virtual machines in Google Cloud Platform.

Google Cloud Platform (GCP)

Ans. Virtual machines are IAAS in GCP which can called Compute Engine

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Q207. Can you explain integration between Spring and Hibernate ?

Hibernate

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Q208. What is the maximum limit of domain supported by Route 53 ?

Amazon Web Service (AWS)

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Q209. How can we create custom AMI ?

Amazon Web Service (AWS)

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Q210. Write a Program to draw a fish ?

Core Java

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