Data Transmission and Encryption Quiz

What does the header of a data packet contain?

• Sender/receiver IP, sequence number, and packet size

• The actual data being sent

• Marks packet end and includes error checking

What is the payload in a data packet?

• Sender/receiver IP, sequence number, and packet size

• The actual data being sent

• Marks packet end and includes error checking

What is a benefit of packet switching?

• No single line tied up, rerouting around issues

• Easy to expand packet usage

• High data transmission rate possible

What is a drawback of packet switching?

• Packets can be lost, requiring resending

• Problems with real-time streaming

• Delay at destination for packet reordering

What is the definition of simplex data transmission?

• One direction only

• Both directions, but not simultaneously

• Both directions simultaneously

What is the main characteristic of serial data transmission?

• One bit at a time over a single wire

• Multiple bits simultaneously over multiple wires

• Faster but prone to skewing over long distances

What is a benefit of USB?

• Automatic device detection and driver installation

• Limited cable length without hubs

• Slower than some alternatives like Ethernet

What is a drawback of USB?

• Limited cable length (5m) without hubs

• Automatic device detection and driver installation

• Supports various data rates and is backward compatible

Which is not an example of simplex transmission

• Keyboard

• Monitor

• Printer

• Radio Broadcast