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Questions and Answers
What does latency in network performance refer to?
What does latency in network performance refer to?
- The time between an inquiry and the response (correct)
- The efficiency of the network hardware
- The amount of data delivered in a time period
- The time required for a message to travel between devices
Which factor is NOT related to the throughput of a network?
Which factor is NOT related to the throughput of a network?
- Network software efficiency
- Response time of devices (correct)
- Type of transmission medium
- Number of users
What is considered a sign of good performance in a network?
What is considered a sign of good performance in a network?
- Frequent failures and quick recovery time
- High latency and low throughput
- Low reliability and high response time
- High throughput and less delay (correct)
Which aspect of network performance measures the frequency of failure?
Which aspect of network performance measures the frequency of failure?
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Which of the following best describes network security?
Which of the following best describes network security?
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Study Notes
Network Performance Criteria
- Networks must satisfy specific performance criteria for effective operation.
Delay or Latency
- Delay is a critical performance metric measured in two components:
- Transit Time: Duration for a message to travel from one device to another.
- Response Time: Time interval between making an inquiry and receiving a response.
Throughput
- Throughput refers to the volume of data accurately delivered to the receiver within a specified timeframe.
- Influacing factors include:
- Number of users on the network.
- Type of transmission medium used (e.g., wired, wireless).
- Capabilities of network hardware (e.g., routers, switches).
- Efficiency of network software (e.g., protocols, applications).
- Good performance is characterized by high throughput and minimal delay.
Reliability
- Reliability assesses network performance through:
- Frequency of Failure: How often the network experiences disruptions.
- Recovery Time: Duration needed for a link to return to normal operation after a failure.
Security
- Security is vital in networks to safeguard data from:
- Unauthorized access by users.
- Data corruption or damage through various means.
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