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Questions and Answers
What are the fundamental characteristics that the effectiveness of a data communications system depends on?
What are the fundamental characteristics that the effectiveness of a data communications system depends on?
- Security, flexibility, and scalability
- Delivery, accuracy, and timeliness (correct)
- Reliability, speed, and capacity
- Latency, redundancy, and throughput
Which component is not part of a data communication system according to the text?
Which component is not part of a data communication system according to the text?
- Medium
- Protocol
- Receiver
- Router (correct)
What does a protocol define in the context of data communication?
What does a protocol define in the context of data communication?
- The speed of data transmission
- The physical medium for data transmission
- How to generate data
- What data is communicated, how it's communicated, and when it's communicated (correct)
Which of the following is not listed as a network application in the text?
Which of the following is not listed as a network application in the text?
What is a network according to the given text?
What is a network according to the given text?
What governs data communication and defines what is communicated, how it's communicated, and when it's communicated?
What governs data communication and defines what is communicated, how it's communicated, and when it's communicated?
Which of the following is NOT a fundamental characteristic that the effectiveness of a data communications system depends on?
Which of the following is NOT a fundamental characteristic that the effectiveness of a data communications system depends on?
Which component is NOT part of a data communication system according to the given text?
Which component is NOT part of a data communication system according to the given text?
Which of the following is NOT listed as a network application in the given text?
Which of the following is NOT listed as a network application in the given text?
What is a set of devices (nodes) connected by communication links, capable of sending and/or receiving data generated by other nodes on the network?
What is a set of devices (nodes) connected by communication links, capable of sending and/or receiving data generated by other nodes on the network?
Which component is not part of a data communication system according to the given text?
Which component is not part of a data communication system according to the given text?
What is a set of devices (nodes) connected by communication links, capable of sending and/or receiving data generated by other nodes on the network?
What is a set of devices (nodes) connected by communication links, capable of sending and/or receiving data generated by other nodes on the network?
What governs data communication and defines what is communicated, how it's communicated, and when it's communicated?
What governs data communication and defines what is communicated, how it's communicated, and when it's communicated?
Which of the following is NOT listed as a network application in the given text?
Which of the following is NOT listed as a network application in the given text?
What are the fundamental characteristics that the effectiveness of a data communications system depends on?
What are the fundamental characteristics that the effectiveness of a data communications system depends on?
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Study Notes
Data Communication System
- The effectiveness of a data communication system depends on three fundamental characteristics: delivery, accuracy, and timeliness.
- A protocol governs data communication and defines what is communicated, how it's communicated, and when it's communicated.
Network
- A network is a set of devices (nodes) connected by communication links, capable of sending and/or receiving data generated by other nodes on the network.
Components
- According to the text, the following is not part of a data communication system: humans.
Network Applications
- The following is NOT listed as a network application in the text: email client.
Other Key Points
- Delivery, accuracy, and timeliness are the fundamental characteristics that the effectiveness of a data communications system depends on.
- A protocol defines what is communicated, how it's communicated, and when it's communicated in the context of data communication.
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