Ribbon Communication QA Engineer Interview Questions and Answers

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

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.

Negative testing of WhatsApp involves testing for invalid inputs and unexpected behavior.

• Test for invalid phone numbers or email addresses during registration

• Test for sending messages with invalid characters or exceeding character limit

• Test for unexpected behavior when network connectivity is lost

• Test for unexpected behavior when user tries to send a message to a blocked contact

• Test for unexpected behavior when user tr

I will use a bug tracking tool to report the bugs and assign them to the respective developer.

• Use a bug tracking tool like JIRA or Bugzilla to report the bugs

• Provide detailed information about the bug including steps to reproduce and screenshots

• Assign the bug to the respective developer based on their area of expertise

• Follow up with the developer to ensure the bug is fixed and tested before closing it

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

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