Data Transmission Quiz

What does data transmission refer to?

• The process of encrypting data for security

• The process of transferring data between digital devices

• The process of storing data on a device

• The process of deleting data from a device

Which of the following is an example of a simplex communication mode?

• TV broadcast

• Walkie talkie

• Telephone conversation

• Two-way radio

What is the baud rate?

• The type of modulation used

• The maximum speed of a network

• The rate at which information is transferred in a communication channel

• The amount of data that can be stored

Which modulation technique modifies the amplitude of the carrier signal?

• Amplitude Modulation

• Phase Modulation

• Frequency Modulation

• Digital Modulation

What type of cable is most commonly used in LANs?

• Coaxial cable

• Fiber-optic cable

• Twisted-pair cabling

• HDMI cable

Which media access method is used to avoid collisions by signaling intention to transmit?

• Token Passing

• Ethernet

• CSMA/CD

• CSMA/CA

What is a characteristic of half duplex communication?

• Data can only be sent in one direction

• Data can be sent in both directions simultaneously

• Data is transmitted using multiple wires

• Data can be sent and received, but not at the same time

Which of the following is a disadvantage of wireless media?

• High speed

• Freedom from wires

• Less secure

• Easy to set up

What does the term 'bandwidth' refer to?

• The amount of data that can be transmitted

• The type of modulation used

• The speed of a modem

• The frequency range of a channel

Which type of transmission is faster?

• Serial transmission

• Parallel transmission

• Asynchronous transmission

• Synchronous transmission