DEM20023 DATA COMM: Quiz Revision for Chapter 1

What is data communication?

• Sending physical mail

• Exchanging digital or analog data between devices

• Writing letters

• Printing documents

Data can include:

• Only binary ones and zeros

• Only complex audio files

• Binary ones and zeros or complex information like digital audio/video

• Only text messages

The Application Layer handles:

• Data transmission protocols

• End-user applications

• IP core networking

• Network routing

TCP/UDP protocols are part of which networking layer?

• Application Layer

• Network Layer

• Transport Layer

• Physical Layer

What does IP Core represent?

• Internet service provider

• Core networking layer

• Data transmission protocol

• Wireless network

Satellite Communications enable:

• Local network connectivity

• Global coverage for remote locations

• WiFi integration

• 5G mobile networks

Which wireless standard is used in ZigBee networks?

• IEEE 802.11

• IEEE 802.15.4

• 5G-NR

• Optical networks

What topology is typically used in ZigBee networks?

• Star topology

• Bus topology

• Mesh network topology

• Ring topology

5G Mobile Network includes:

• Only cell towers

• Radio Access Network (RAN)

• User Equipment

• Both B and C

What is the typical cell tower arrangement in 5G networks?

• Square

• Circular

• Rectangular

• Hexagonal