1. Suppose a network failed on the average once every 2500 hours and it took about 2 hours to be fixed.
  2. What is the availability of that network as a percent?

 

 

 

  1. What is Lambda for that network?

 

 

 

 

  1. A system has five components with MTBF’s 8000, 12000, 20000, 6000, 11000 and 40000 hours respectively.
  2. What are the lambdas for each component?

 

 

 

 

  1. What is the lambda for the composite system?

 

 

 

  1. What is the MTBF for the composite system?

 

 

 

  1. A switch has 26 ports each transmitting 30 packets per second. Each packet is 1024 bits. The switch can handle 1.54 mbps.
  2. What is the utilization rate for the switch?

 

 

 

 

  1. What is the average number of packets in the queue?

 

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  1. Suppose a network failed on the average once every 2500 hours and it took about 2 hours to be fixed.
  2. What is the availability of that network as a percent?

 

 

 

  1. What is Lambda for that network?

 

 

 

 

  1. A system has five components with MTBF’s 8000, 12000, 20000, 6000, 11000 and 40000 hours respectively.
  2. What are the lambdas for each component?

 

 

 

 

  1. What is the lambda for the composite system?

 

 

 

  1. What is the MTBF for the composite system?

 

 

 

  1. A switch has 26 ports each transmitting 30 packets per second. Each packet is 1024 bits. The switch can handle 1.54 mbps.
  2. What is the utilization rate for the switch?

 

 

 

 

  1. What is the average number of packets in the queue?

 

Leave a Reply

Your email address will not be published. Required fields are marked *