Informatica Sdet Interview Questions and Answers

Q1. Write selenium code for getting values in a dynamic table
Ans. 
Use Selenium to extract values from a dynamic table
• Identify the table using its locator (id, class, xpath, etc.)

• Iterate through the rows and columns of the table to extract values

• Use Selenium commands like findElements and getText to retrieve the values

• Handle dynamic content by waiting for elements to be present or visible
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Q1. Java union of arrays
Ans. 
To find the union of two arrays in Java, use a HashSet to store unique elements from both arrays.
• Create two arrays of strings.

• Convert arrays to HashSet to remove duplicates.

• Combine both HashSets to get the union of arrays.
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Q1. Regular Expressions related
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Solve sanke and ladder puzzle

Coding practice is a must . DSA concept is a must .

Coding Test 2 which involved a basic array ques . Checked logic ability

Q1. Explain your day to day Activities
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Q2. More into role specific question how to run parallels execution
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Q1. Situation questions
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The aptitude test administered included questions on aptitude, mathematics, and reasoning.

Q1. What is ad hoc testing?
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Q2. What are the principles of software testing?
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Q1. SIP Call flow with headers
Ans. 
SIP call flow involves signaling and media exchange between SIP devices with headers containing important information.
• SIP INVITE message is sent to initiate a call

• SIP 1xx responses indicate call progress

• SIP 2xx response confirms call establishment

• SIP ACK message acknowledges call setup

• SIP BYE message terminates the call
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Q2. SIP mandatory headers
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Q1. SERVICE ROUTE,PATH AND RECORD ROUTE HEADER
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Q2. K8's Deployment
Ans. 
K8's Deployment refers to the deployment of applications on Kubernetes clusters.
• Kubernetes (K8s) is an open-source container orchestration platform used for automating deployment, scaling, and management of containerized applications.

• K8s Deployment involves defining the desired state of the application, creating deployment configurations, and managing the deployment process.

• Deployment resources in K8s include Pods, Rep...read more
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Q1. Print missing number in given array
Ans. 
Find and print the missing number in a given array of strings.
• Convert the array of strings to an array of integers for easier manipulation.

• Iterate through the array to find the missing number by comparing consecutive elements.

• Print the missing number once found.
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Q2. Print string in reverse
Ans. 
Reverse a string in an array of strings
• Iterate through each string in the array

• Use a loop to reverse each string character by character

• Store the reversed strings in a new array
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Q1. How do you manage differences in team
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Q2. How do you test faulty ATM
Ans. 
To test a faulty ATM, simulate various scenarios like card reader failure, cash dispenser malfunction, network connectivity issues, etc.
• Simulate card reader failure by inserting a damaged card or a card with a magnetic strip issue.

• Test cash dispenser malfunction by requesting cash withdrawal and observing if the correct amount is dispensed.

• Check for network connectivity issues by trying to access online banking service...read more
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Q1. Given a String contains only 0s, 1s and 2s, count the number of sub strings that have equal number of 0s, 1s, and 2s. Input : str = "0102010" output : 2. Very Hard question is being asked in interview for...read more
Ans. 
Count the number of substrings with equal number of 0s, 1s, and 2s in a given string.
• Iterate through the string and maintain counts of 0s, 1s, and 2s encountered so far.

• Keep track of the counts in a hashmap and increment the count of substrings whenever counts of 0s, 1s, and 2s are equal.

• Return the total count of substrings at the end.
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Q2. Group of anagrams together. input : ["eat", "tea", "tan", "ate", "nat", "bat"] output : [["eat" ,"tea", "ate"],["tan", "nat"],["bat"]] This is another hard level question is asked in interview for the QA p...read more
Ans. 
Group anagrams together in an array of strings.
• Create a hashmap to store sorted strings as keys and corresponding anagrams as values.

• Iterate through the input array, sort each string, and add it to the hashmap.

• Return the values of the hashmap as the grouped anagrams.
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