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Distributed Systems Failure Models and Detection Quiz
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Distributed Systems Failure Models and Detection Quiz

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Questions and Answers

Is the worst case value of ∆ for a synchronous system the minimum network delay?

True

Is the worst case value of ∆ in a synchronous system the maximum network delay?

False

In the worst case failure detection time for the Ping-ack method, is the formula $t + T +∆1 -( t + ∆) = T + ∆1- ∆$ correct?

True

In the worst case failure detection time for the Heartbeat method, is the formula $(t + ∆) + (T +∆2) - t = T + ∆2 + ∆$ correct?

<p>True</p> Signup and view all the answers

Is the worst case value of ∆ in an asynchronous system the maximum network delay?

<p>False</p> Signup and view all the answers

Is the worst case value of ∆ for a synchronous system the minimum network delay?

<p>True</p> Signup and view all the answers

Is the worst case value of ∆ in an asynchronous system the maximum network delay?

<p>True</p> Signup and view all the answers

In the worst case failure detection time for the Heartbeat method, is the formula $(t + ∆) + (T +∆2) - t = T + ∆2 + ∆$ correct?

<p>True</p> Signup and view all the answers

Is the worst case value of ∆ in a synchronous system the maximum network delay?

<p>False</p> Signup and view all the answers

In the worst case failure detection time for the Ping-ack method, is the formula $t + T +∆1 -( t + ∆) = T + ∆1- ∆$ correct?

<p>True</p> Signup and view all the answers

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