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Q2911. Have you ever worked on Google Cloud Platform ?

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Q2912. Have you ever worked on migration from enterprise network infrastruscture to Cloud Infrastructure ? What problems did you face ?

Infrastructure

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Q2913. Can we assign the reference to this variable ?

Core Java

Ans. No

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Q2914. What are different types of Polymorphism in Java ?

Core Java

Ans. run time polymorphism
compile time polymorphism

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Q2915. Is String mutable or immutable in Java ?

Core Java

Ans. String is Immutable because of String Constant Pool.

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Q2916. Explain Collections in Java

Core Java

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Q2917. Should we do anything to avoid memory leaks in Java ?

Core Java

Ans. Java has a intrinsic way of checking leaks and reclaiming memory called garbage collection. Moreover Java doesn't support pointer arithmetics , so there is very low comparative chance of memory leaks, compared to C,C++

Though there may be tools that may audit code to make sure that we are not leaving much for the garbage collection to work but I have never heard anyone doing anything for memory leaks in Java.

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Q2918. Write a Program to draw a fish ?

Core Java

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Q2919. How can we create custom AMI ?

Amazon Web Service (AWS)

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Q2920. What is the maximum limit of domain supported by Route 53 ?

Amazon Web Service (AWS)

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Q2921. Can you explain integration between Spring and Hibernate ?

Hibernate

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Q2922. 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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Q2923. 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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Q2924. Why would you use XML over JSON when using ajax ?

JSON

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Q2925. What is the difference between inheritance in PHP vs. Javascript?

JavaScript

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Q2926. Write a method to track every click on a page.

JavaScript

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Q2927. Have you had to work with memory leak problems in javascript ?

JavaScript

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Q2928. Create a component and sort the data to show specific information.

React JS

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Q2929. prototypal inheritance in Javascript

JavaScript

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Q2930. Develop an address form in React js.

React JS

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Q2931. Difference between Span and Div ?

Html

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Q2932. Can we check two html radio buttons together ?

Html

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Q2933. 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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Q2934. 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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Q2935. What is the difference between Co Location, Virtualization and Serverless ?

Infrastructure

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Q2936. Which category of service , Google Search and Drive belongs to ?

SAAS

Ans. They are SAAS ( Software as a Service )

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Q2937. 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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Q2938. 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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Q2939. 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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Q2940. 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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