ivy Interview Questions and Answers

Q1. Bubble Sort, insertion sort, merge sort, quicksort and there complexities
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Q2. Reverse an array and find missing number from array
Ans. 
This task involves reversing an array and identifying a missing number within it.
• To reverse an array, iterate from the end to the start and store elements in a new array.

• Example: For array [1, 2, 3], the reversed array is [3, 2, 1].

• To find a missing number, calculate the expected sum of the first n natural numbers and subtract the actual sum.

• Example: In array [1, 2, 4], the missing number is 3. Expected sum for n=4 is ...read more
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Q1. Self introduction
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Detail-oriented Accounts Payable Associate with a strong background in financial processes and vendor management.
• Over 5 years of experience in accounts payable, ensuring timely and accurate processing of invoices.

• Proficient in using accounting software like QuickBooks and SAP for efficient financial management.

• Strong attention to detail, which helped reduce invoice discrepancies by 30% in my previous role.

• Excellent com...read more
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Exam on accounts and logical

Q1. Accounts related
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Q1. It was good consisting of deep technical knowledge
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Q2. Focused on some practical questions as well
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Q1. Question on the basis of react router dom
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Q2. Make diff pages and do outlet
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Creating different pages and setting up outlets in a software application.
• Create separate HTML files for each page

• Define routes in the application to navigate between pages

• Set up outlets in the application to display content dynamically
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Q1. Solid principals
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Q2. Difference between pure and impure pipes
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Pure pipes do not have any side effects and always return the same output for the same input, while impure pipes can have side effects and may not return the same output for the same input.
• Pure pipes are stateless and deterministic.

• Impure pipes can have side effects like modifying global variables or making network requests.

• Examples of pure pipes include filters in Angular, while examples of impure pipes include async ...read more
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Q1. Add string until length is greater than 1
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Concatenate strings in array until total length is greater than 1
• Iterate through array and concatenate strings until length is greater than 1

• Use a loop to keep adding strings until total length exceeds 1

• Check total length after each concatenation to ensure it is greater than 1
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Q2. JavaScript tricky questions
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Q1. What is difference between retesting and regression testing
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Retesting is testing the same functionality again to ensure the defect is fixed, while regression testing is testing the whole application to ensure new changes do not affect existing functionality.
• Retesting focuses on verifying that a specific defect has been fixed.

• Regression testing focuses on ensuring that new changes do not impact existing functionality.

• Retesting is usually performed by the tester who found the def...read more
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Q2. What is difference between system testing and system integration testing
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System testing focuses on testing the entire system as a whole, while system integration testing focuses on testing the interactions between integrated components.
• System testing ensures that the entire system meets the specified requirements and functions correctly.

• System integration testing focuses on testing the interfaces and interactions between integrated components to ensure they work together seamlessly.

• System t...read more
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Q1. What are qa deliverables
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QA deliverables are the tangible work products produced by the QA team during the software testing process.
• Test plans

• Test cases

• Test scripts

• Defect reports

• Test summary reports
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Q2. What are pre requisites of api testing
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Pre requisites of API testing include understanding of API documentation, knowledge of HTTP methods, familiarity with testing tools.
• Understanding of API documentation

• Knowledge of HTTP methods (GET, POST, PUT, DELETE)

• Familiarity with testing tools like Postman or SoapUI

• Ability to write test cases for API endpoints

• Understanding of status codes and response formats
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Q1. What is the problem of finding the lowest common ancestor in a binary tree?
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Finding the lowest common ancestor (LCA) in a binary tree identifies the deepest shared ancestor of two nodes.
• The LCA of two nodes is the deepest node that is an ancestor to both nodes.

• In a binary tree, the LCA can be found using recursion or iterative methods.

• Example: In a tree with nodes 4, 5, 6, and 7, the LCA of 4 and 5 is 2 if 2 is their parent.

• If one node is an ancestor of the other, the LCA is the ancestor node ...read more
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Q2. What is the method to find the frequency of a word in a large text file?
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To find word frequency in a large text file, read the file, tokenize words, and count occurrences using a dictionary or hashmap.
• Read the file line by line to handle large files efficiently.

• Use a dictionary to store words as keys and their counts as values.

• Tokenize the text using whitespace and punctuation as delimiters.

• Convert words to lowercase to ensure case insensitivity.

• Example: For the text 'Hello world! Hello', t...read more
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