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Distributed Systems – Mock Exam –

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Suppose that the error detection algorithm is sometimes wrong in its judgement,<br />

that is, it may assume a client has crashed although the client is still working.<br />

(vii) How may the server detect that a client thought to have crashed is still working?<br />

(3 points)<br />

(viii) How can the algorithm be extended so that it is able to deal also with situations<br />

where a client is falsely thought to have crashed?<br />

(5 points)<br />

6

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