Data Communication & Networks

Which of the following is NOT a component of data communication?

• Sender

• Receiver

• Protocol

• Compiler

Which network topology uses a central hub to connect all devices?

• Bus

• Star

• Ring

• Mesh

Which of the following devices is used to connect two different networks?

• Hub

• Switch

• Router

• Repeater

Which layer of the OSI model is responsible for end-to-end communication?

• Physical

• Network

• Application

• Transport

What is the full form of IP in networking?

• Internet Protocol

• Internal Process

• Interconnected Program

• Information Packet

Which of the following is a commonly used encoding technique in digital communication?

• ASCII

• JPEG

• MPEG

• MP3

Which encoding method represents characters using 7 or 8 bits?

• Unicode

• ASCII

• Huffman Coding

• Base64

Which encoding technique is used for lossless data compression?

• Run-Length Encoding (RLE)

• MP3

• JPEG

• MPEG

Which encoding scheme is capable of representing characters from multiple languages?

• Morse Code

• Gray Code

• ASCII

• Unicode

Which encoding technique is used in barcode representation

• Base64

• Huffman Coding

• QR Code

• Huffman Coding