Whizlabs Software Interview Questions, Process, and Tips

Cloud computing is the delivery of computing services over the internet, including storage, databases, networking, software, and more.

• Allows users to access and store data and applications on remote servers instead of on their local devices

• Provides scalability, flexibility, and cost-efficiency for businesses

• Examples include Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform

Yes, AWS stands for Amazon Web Services, a cloud computing platform offering a wide range of services.

• AWS is a leading cloud computing platform provided by Amazon.

• It offers a wide range of services such as computing power, storage, databases, machine learning, and more.

• Popular AWS services include EC2 (Elastic Compute Cloud), S3 (Simple Storage Service), RDS (Relational Database Service), and Lambda.

• AWS provides scalab...read more

Certifications are credentials earned by individuals to demonstrate their expertise in a specific area or field.

• Certifications can be obtained through training programs, exams, or other assessments

• They are often required or preferred by employers in certain industries

• Examples include PMP (Project Management Professional), CPA (Certified Public Accountant), and AWS Certified Solutions Architect

Stack is LIFO and Queue is FIFO data structure.

• Stack is a linear data structure where insertion and deletion happen at one end called top.

• Queue is a linear data structure where insertion happens at the rear and deletion happens at the front.

• Stack follows Last In First Out (LIFO) principle.

• Queue follows First In First Out (FIFO) principle.

• Stack is used in function calls, undo-redo operations, etc.

• Queue is used in schedu

A stack program can be implemented using an array or linked list to perform push, pop, and peek operations.

• Create an empty stack

• Push elements onto the stack

• Pop elements from the stack

• Peek at the top element of the stack

• Check if the stack is empty

• Example: Implementing a stack using an array in Python

C++ is an extension of C with object-oriented programming features.

• C++ supports object-oriented programming concepts like classes, inheritance, polymorphism, etc.

• C++ has a richer set of libraries compared to C.

• C++ allows function overloading while C does not.

• C++ supports exception handling while C does not.

• C++ is backward compatible with C.

• C++ is more complex than C.