Systech Solutions Data Engineer Interview Questions and Answers

Q1. Delegate, serialization, deserialization,
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Q2. Sdlc, aglie, waterfall metthod
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Q3. Simple query, string reversal coding
Ans. 
String reversal involves reversing the order of characters in a given string.
• Use built-in functions: In Python, use slicing: `reversed_string = original_string[::-1]`.

• Iterative approach: Loop through the string from the end to the beginning and build a new string.

• Using stack: Push each character onto a stack and then pop them to get the reversed string.

• Example: For input 'hello', output should be 'olleh'.
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Full c concept MCQ with IQ and Computaional Thinking

Q1. Number system convertion in c
Ans. 
Number system conversion in C involves converting numbers between different bases, such as decimal to binary or hexadecimal.
• Use functions like itoa() to convert integers to strings in different bases

• Use strtol() to convert strings to integers in different bases

• Remember to specify the base when converting numbers
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Q2. Pointers, struct, Data Structure
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Q1. Decimal to Binary Convertion
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Q2. Hexa Decimal to Binary convertion
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Q1. Python - find max from array without using built in function
Ans. 
Find max from array in Python without using built-in function.
• Iterate through the array and compare each element with a variable storing the current maximum value.

• If the element is greater than the current maximum, update the variable.

• Return the variable after iterating through the entire array.
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Q2. Spark cluster configuration
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Q3. Python split data interview question
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Python's split() method divides a string into a list based on a specified delimiter.
• The split() method takes a delimiter as an argument. Example: 'a,b,c'.split(',') returns ['a', 'b', 'c'].

• If no delimiter is specified, it splits by whitespace. Example: 'Hello World'.split() returns ['Hello', 'World'].

• You can limit the number of splits by using the maxsplit parameter. Example: 'a,b,c,d'.split(',', 1) returns ['a', 'b,c,...read more
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Q1. What is a pointer to pointer
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Q2. Class, object, inheritance, polymorphism,dbms
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Q1. OOP questions SQL Questions Programming structure
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Q1. SQL questions MVC and C# related questions
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Q1. Spring boot related questions
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Q2. Java related questios
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