Tarana Wireless Software Engineer2 Interview Questions and Answers

Q1. A lot of questions about OS
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Q1. Questions related to cache memory
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Q1. C++ standard questions
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4 questions in one and a half hour

Q1. Linked List questions, Python questions, questions on cloud technology
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Q1. Many lambda functions were asked
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Q2. One question on circular queue
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Q3. Code to be written on notepad not on IDE
Ans. 
Writing code on notepad instead of an IDE
• Ensure proper indentation and formatting

• Use comments to explain code

• Compile and test code manually

• Save frequently to avoid losing work
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Q1. Golang Concurrency questions, binary tree question
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Q1. What are your salary expectations?
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Q2. Why should we hire you?
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Q3. Tell me about yourself.
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Q4. Why are you looking for a change?
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Q5. Where do you see yourself in 5 years?
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Q1. What is polymorphism
Ans. 
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
• Polymorphism allows objects of different classes to be treated as objects of a common superclass.

• It enables a single interface to be used for different data types or classes.

• Examples include method overloading and method overriding in object-oriented programming.
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Q2. Find missing number from nth number array.
Ans. 
Find missing number from nth number array.
• Iterate through the array and calculate the sum of all numbers

• Calculate the sum of numbers from 1 to n using the formula n*(n+1)/2

• Subtract the sum of array from the sum of numbers from 1 to n to find the missing number
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Q3. Explain inheritance and it types
Ans. 
Inheritance is a concept in object-oriented programming where a class inherits properties and behaviors from another class.
• Inheritance allows a class to reuse code from another class.

• Types of inheritance include single inheritance, where a class inherits from only one parent class, and multiple inheritance, where a class inherits from multiple parent classes.

• Example: Class B inherits from Class A, so Class B can access
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Q4. Find 2nd max elements from aaray
Ans. 
Find 2nd max element from array of strings
• Sort the array in descending order

• Skip the first element (max element)

• Return the second element
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Total 60 question 30 from C/C++ output and 30 from profit-loss, find age and related to ratio

Q1. Dsa coding question, aptitude, oops, rdbms(joins and normalization)
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Q2. Rotate materix(nxn) 90 degree
Ans. 
To rotate a matrix 90 degrees, transpose the matrix and then reverse each row.
• Transpose the matrix by swapping matrix[i][j] with matrix[j][i]

• Reverse each row of the transposed matrix to get the final rotated matrix
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Q3. A pattern printing question
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Q4. Reverse doubli-linkedlist
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Q5. Preorder traversal without using recursion
Ans. 
Iterative solution to perform preorder traversal without using recursion
• Use a stack to keep track of nodes

• Start by pushing the root node onto the stack

• While the stack is not empty, pop a node, visit it, then push its right child followed by its left child onto the stack
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Q1. Introduce yourself
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Q2. Why you chose b.tech
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Q3. Why you chose cse
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Q1. Work experience over last company
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Q2. Conflict resolution in teams
Ans. 
Conflict resolution in teams involves effective communication, active listening, compromise, and collaboration.
• Encourage open communication to address issues early on

• Practice active listening to understand all perspectives

• Seek compromise and find common ground

• Encourage collaboration to work towards a solution together
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1 hr, oops, C++ questions and C

Q1. Array Linked list BST
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Q1. Array LL BST Stack
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Q1. What is incremental load and how it works?
Ans. 
Incremental load is a process of updating a data warehouse or database by adding only the new or modified data.
• Incremental load is used to minimize the amount of data that needs to be processed and loaded.

• It involves identifying the changes in the source data and applying those changes to the target system.

• Common techniques for incremental load include using timestamps, change data capture, or comparing checksums.

• For e...read more
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Q2. What is the differences between keep and join ?
Ans. 
Keep and join are both used in programming, but they have different meanings and purposes.
• Keep is a method used to filter elements from a collection based on a condition.

• Join is used to combine elements from two or more collections based on a common attribute.

• Keep returns a new collection with only the elements that satisfy the condition.

• Join combines elements from multiple collections into a single collection.

• Keep is ...read more
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Q3. What is synthetic Key and how to remove them ?
Ans. 
A synthetic key is a composite key created when two or more tables have multiple common fields.
• Synthetic keys occur when there is a many-to-many relationship between tables.

• They can be removed by resolving the underlying data model issues.

• One way to remove synthetic keys is by creating a bridge table to represent the many-to-many relationship.

• Another approach is to concatenate the common fields to create a unique key.

• S...read more
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