Netcracker Technology Interview Questions, Process, and Tips

Golang developer
Basic DSA questions
Some core concepts of Golang like make, GoRoutines, defer, sync package, etc

Q1. Standard questions based on your Resume
Add your answer

Q1. About yourself and your experience
Add your answer
Q2. What interests you to join our company
Ans. 
I am interested in joining your company because of its innovative projects and collaborative work environment.
• Innovative projects that challenge me to grow as a software engineer

• Collaborative work environment where I can learn from and contribute to a talented team

• Company's reputation for valuing employee development and career growth
Answered by AI
Add your answer

Q1. Scope resolution with syntax ?
Ans. 
Scope resolution refers to the process of specifying which scope a particular variable or function belongs to in a programming language.
• Scope resolution is typically denoted by the double colon (::) operator in languages like C++ and PHP.

• It is used to access static members, constants, and overridden methods in a class.

• Example: ClassName::staticMember

• Example: Namespace::functionName
Answered by AI
Add your answer
Q2. Template syntax?
Add your answer
Q3. Copy constructor and assignment operator?
Add your answer
Q4. V table and V pointer difference?
Ans. 
V table is a table of function pointers used in object-oriented programming, while V pointer is a pointer to the V table.
• V table is a table of function pointers used for dynamic dispatch in object-oriented programming.

• V pointer is a pointer to the V table, allowing objects to call the correct functions at runtime.

• Example: In C++ virtual functions are implemented using V tables and V pointers.
Answered by AI
Add your answer
Q5. Oops concepts in C Language?
Ans. 
Oops concepts in C Language include encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit. Example: struct in C.

• Inheritance: Allowing a class to inherit properties and behavior from another class. Example: using struct to mimic inheritance.

• Polymorphism: Ability to present the same interface for different data types. Example: functi...read more
Answered by AI
Add your answer
Q6. File handling classes?
Ans. 
File handling classes are used in programming to read, write, and manipulate files.
• File handling classes provide methods to open, read, write, and close files.

• Examples include FileInputStream, FileOutputStream, FileReader, FileWriter in Java.

• These classes help in managing file operations efficiently and securely.
Answered by AI
Add your answer
Q7. Explain friend function with syntax?
Ans. 
Friend function is a function that is not a member of a class but has access to its private and protected members.
• Friend functions are declared inside a class with the 'friend' keyword.

• They can access private and protected members of the class.

• They are not member functions of the class.

• Example: class MyClass { private: int x; friend void myFriendFunction(MyClass obj); };
Answered by AI
Add your answer

Q1. What is RDBMS? and write a query?
Ans. 
RDBMS stands for Relational Database Management System. It is a type of database management system that stores data in a structured format using rows and columns.
• RDBMS organizes data into tables with rows and columns.

• It uses SQL (Structured Query Language) for querying and managing the data.

• Examples of RDBMS include MySQL, Oracle, SQL Server, and PostgreSQL.
Answered by AI
Add your answer
Q2. Write a query to fetch all details from table?
Ans. 
Query to fetch all details from a table
• Use SELECT * FROM table_name to fetch all details

• Make sure to replace 'table_name' with the actual name of the table

• Ensure proper permissions to access the table
Answered by AI
Add your answer

Q1. Difference between DML and DDL
Ans. 
DML is used to manipulate data in a database, while DDL is used to define the structure of the database.
• DML stands for Data Manipulation Language and is used for inserting, updating, deleting, and retrieving data in a database.

• DDL stands for Data Definition Language and is used for defining the structure of the database such as creating tables, indexes, and constraints.

• Examples of DML statements include INSERT, UPDATE,...read more
Answered by AI
Add your answer

Q1. Pairsum Question, to find the pair of numbers from an array which has the traget sum
Add your answer
Q2. Golang basics, like Go routines and channels, anonymous function, array/slice manipulations
Add your answer

Q1. Experience at previous company
Ans. 
I have 5 years of experience at my previous company working on various software projects.
• Led a team of developers to successfully launch a new mobile app

• Implemented new features and enhancements to existing software systems

• Collaborated with cross-functional teams to ensure project success
Answered by AI
Add your answer
Q2. Understanding of telcom domain (Okay to have no knowledge about this)
Add your answer

Q1. Salary negotiations and why do you want to switch
Add your answer

Medium DSA question in 60 minutes

Q1. Java OOPs, multithreading, JMM
Add your answer
Q2. Spring boot basics and advance
Add your answer