How many types of modes are used in data transferring through networks? Briefly explain those modes. Differentiate between TCP vs UDP.

You are asked to lead a team of software engineers to develop an application software system for your company and deploy it as fast as possible. You need to gather user requirements, design, develop, test and then deploy the system. Between Waterfall Approach and Incremental Approach, which software development approach will you take for your software project? Explain your answer.

What is machine learning? Differentiate among supervised learning vs unsupervised learning vs reinforcement learning.

What exactly is a microcontroller? What distinguishes a microprocessor from a microcontroller? Mention the differences between RISC and CISC microprocessors.

Assume that an office has three departments and each department has 50 to 70 employees who are using computers with Windows operating systems. The office space is designed in such a way that an employee can use any computer within a department. Once an employee logs in from a computer, he/she will get access to his files from the server. Let you are planning for network and server setup for this company.

a. What is Active Directory? Do you need an Active Directory for such an office? If yes, briefly explain its use under this circumstance.

b. What is a subnet? What benefits will you get using subnets for this office?