Yahoo Technical Lead Interview Questions and Answers

Normal aptitude questions, Refer R S Agarwal

Q1. Selenium architecture
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Q2. X path locators and diffrent types.
Ans. 
Xpath locators are used to locate elements on a web page. There are different types of Xpath locators.
• Absolute Xpath starts with the root node and goes all the way to the element

• Relative Xpath starts from the current node and goes to the element

• Attribute-based Xpath locates elements based on their attributes

• Index-based Xpath locates elements based on their position in the DOM

• Text-based Xpath locates elements based on t
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Q1. Tell me about yourself?
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Q1. What type of need to required expertise to Google.
Ans. As per knowledge to check electronic devices which is used for data storage in the Google cloud and other platforms.
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Q2. Why we are hiring the person for Google.
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Q1. Which type of questions asked by the Google.?
Ans. First of all can we know what is the technical field working in Google plateform.
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Q1. Azure infra in B2B
Ans. 
Azure infra in B2B refers to using Azure services for business-to-business interactions.
• Azure Active Directory can be used for managing access to B2B applications

• Azure Virtual Network can be used to securely connect with B2B partners

• Azure API Management can be used to expose APIs to B2B partners
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Why are you here and why amazon

60 mins logic based round here

Coding puzzle on hacker rank

Q1. Explain redux toolkit
Ans. 
Redux Toolkit is an official, opinionated, batteries-included toolset for efficient Redux development.
• Includes utilities like createSlice, createAsyncThunk, and createEntityAdapter for easier Redux setup

• Reduces boilerplate code and simplifies common Redux patterns

• Encourages best practices and helps developers write more maintainable code
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Q2. Explain use memo hook
Ans. 
memo hook is a React hook used for optimizing performance by memoizing the result of a function
• Memo hook is used to prevent unnecessary re-renders by caching the result of a function

• It is useful when a component re-renders frequently with the same props

• Example: const memoizedValue = useMemo(() => computeExpensiveValue(a, b), [a, b])
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