Data communication & Networks

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

• Receiver

• Compiler

• Protocol

• Sender

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

• Bus

• Ring

• Mesh

• Star

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

• Router

• Switch

• Hub

• Repeater

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

• Transport

• Network

• Physical

• Application

What is the full form of IP in networking?

• Interconnected Program

• Information Packet

• Internal Process

• Internet Protocol

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

• JPEG

• ASCII

• MPEG

• MP3

Which encoding method represents characters using 7 or 8 bits?

• Base64

• Unicode

• ASCII

• Huffman Coding

Which encoding technique is used for lossless data compression?

• MP3

• MPEG

• JPEG

• Run-Length Encoding (RLE)

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

• ASCII

• Unicode

• Morse Code

• Gray Code

Which encoding technique is used in barcode representation?

• Base64

• EBCDIC

• Huffman Coding

• QR Code