Ribbon Communication QA Engineer Interview Questions and Answers

Its technical plus maths reasoning questions

Q1. Oops concepts , limked list
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Q1. Question related to power backup
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Q2. What is piu,SMPS,DG,, battery bank
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piu, SMPS, DG, and battery bank are all components of a backup power system.
• PIU stands for Power Interface Unit, which is used to connect the backup power system to the main power supply.

• SMPS stands for Switched-Mode Power Supply, which converts AC power to DC power for the backup system.

• DG stands for Diesel Generator, which is used as a backup power source in case of power outages.

• Battery bank refers to a group of bat...read more
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Q1. Previous Projects
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I have worked on various projects in the past, including testing web applications, mobile apps, and APIs.
• Tested web applications for functionality, usability, and performance.

• Tested mobile apps on different devices and platforms.

• Tested APIs for data accuracy and response times.
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Q1. Write a programme to calculate number of integers in String
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Program to count integers in a string
• Loop through each character in the string

• Check if the character is a digit

• If it is a digit, increment the count

• Return the count
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Q2. Write a programme to find occurance of character in String.
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Program to find occurrence of character in String
• Use a loop to iterate through each character in the string

• Use a counter variable to keep track of the number of occurrences

• Compare each character with the target character and increment the counter if they match
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Q1. What does QA test engineer does and explain the E2E
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QA test engineer ensures software quality by testing applications and systems. E2E refers to end-to-end testing, which involves testing the entire software application from start to finish.
• QA test engineer is responsible for testing software applications to ensure they meet quality standards.

• E2E testing involves testing the entire software application from start to finish to ensure all components work together seamless...read more
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Q2. Testing and execution
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Q3. Different applicationflows
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Application flows refer to the different paths a user can take within an application to achieve a specific goal.
• Identify key user actions and decision points within the application

• Map out the possible paths users can take to complete tasks

• Consider edge cases and error scenarios in the flow

• Test each flow to ensure functionality and usability
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Q4. Test case writing
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Q5. Test Life Cycle
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Q1. Details about the past experience
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Q2. Asked questions about manual testing
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