Data Communication Post Quiz

What is the primary advantage of serial communication over parallel communication?

• Higher speed over short distances

• More reliable for long-distance communication

• Uses multiple wires for faster data transfer

• Requires more complex synchronization

Which of the following is an example of high-speed serial communication?

• Centronics Interface

• IEEE 1284

• PCIe

• VMEbus

Which protocol is used for secure web communication?

• HTTP

• FTP

• SMTP

• HTTPS

What type of communication uses electromagnetic waves to transfer data?

• Parallel communication

• Serial communication

• Wireless communication

• Synchronous communication

Which of the following is NOT a network protocol?

• TCP/IP

• UDP

• Modbus

• ICMP

In parallel communication, what ensures synchronization during transmission?

• Clock signal

• Parity bit

• Handshaking protocol

• Data buffer

What is the primary function of the CAN bus protocol?

• Secure data encryption

• Vehicle communication

• File transfer

• Web browsing

Which of the following wireless technologies is used for IoT and smart home devices?

• Bluetooth

• NFC

• Zigbee

• USB

Which of these is a characteristic of synchronous serial communication?

• It does not require a clock signal

• It uses a start and stop bit

• It synchronizes data transfer using a clock signal

• It is slower than asynchronous communication

What is the main disadvantage of parallel communication over longer distances?

• Higher complexity

• Increased signal degradation and crosstalk

• Slower data transfer speed

• Requires more power