Podcast
Questions and Answers
Which component of a data communications system is responsible for defining the rules and conventions for communication between devices?
Which component of a data communications system is responsible for defining the rules and conventions for communication between devices?
- Sender
- Protocol (correct)
- Message
- Receiver
Which of the following is NOT an example of a transmission medium used in data communications?
Which of the following is NOT an example of a transmission medium used in data communications?
- Television (correct)
- Satellite signals
- Twisted-pair wire
- Fiber-optic cable
What is the main function of the receiver in a data communications system?
What is the main function of the receiver in a data communications system?
- Define the transmission medium
- Receive the message (correct)
- Generate the data message
- Develop the protocol
In data communications, what specifically does the term 'message' refer to?
In data communications, what specifically does the term 'message' refer to?
Which type of network always maintains a dedicated connection between two end systems?
Which type of network always maintains a dedicated connection between two end systems?
How does data transfer occur in a packet-switched network?
How does data transfer occur in a packet-switched network?
What is the main distinguishing feature of the Internet (uppercase I) among other networks?
What is the main distinguishing feature of the Internet (uppercase I) among other networks?
What is a notable characteristic of a peering point in networking?
What is a notable characteristic of a peering point in networking?
In full-duplex mode, how do the two stations communicate?
In full-duplex mode, how do the two stations communicate?
Which term is used to describe communication that is unidirectional like a one-way street?
Which term is used to describe communication that is unidirectional like a one-way street?
What happens in half-duplex mode when one device is sending data?
What happens in half-duplex mode when one device is sending data?
Which of the following best defines a network?
Which of the following best defines a network?
