NetApp Senior QA Engineer Interview Questions and Answers

Basic selenium automation coding question and QA related MCQs

Q1. Core java and selenium and Qs related to Leading the QA team
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Q2. Count duplicates in a string
Ans. 
Count duplicates in a string
• Iterate through the string and store each character in a hashmap with its count

• Return the count of characters with count greater than 1
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Q3. Write a Program to Sort Array
Ans. 
Program to sort array of strings
• Use a sorting algorithm like bubble sort, selection sort, or merge sort

• Compare strings using strcmp() function in C or compareTo() method in Java

• Handle edge cases like empty array or array with only one element
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Q4. Selenium Commands
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Q1. Salary Negotiation
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Q1. About Project , daily routines , SQL, unix
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Q2. On core java programs on arrays, strings etc
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Simple Java questions on string and arrays

Framework level knowledge is checked

Q1. Salary negotiation
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Q1. String manipulation questions without using default methods like string buffer
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Q2. Selenium programs and Xpaths for dynamic tables
Ans. 
Selenium can be used to automate testing of dynamic tables by using Xpaths to locate elements.
• Identify unique attributes of table elements to create stable Xpaths

• Use functions like contains(), starts-with(), or ends-with() in Xpaths for dynamic content

• Consider using parent-child relationships in Xpaths for nested tables
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Easy problem on java

Q1. Technical discussion
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Q1. Threading: Write and use a mutex?
Ans. 
A mutex is a synchronization primitive that ensures only one thread can access a resource at a time.
• Create a mutex object using the appropriate library or language-specific function.

• Lock the mutex before accessing the shared resource to prevent other threads from accessing it.

• Unlock the mutex after finishing the operation on the shared resource to allow other threads to access it.

• Example: pthread_mutex_t mutex; pthread...read more
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Q2. Find the memory leak in a given set of code.
Ans. 
Identify memory leak in code
• Check for any dynamically allocated memory that is not being freed

• Look for any infinite loops or recursive functions that consume memory

• Use memory profiling tools like Valgrind to detect leaks

• Check for any global variables that are not properly managed
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Logical reasoning And aptitude test

C++, python and Java programming