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CTFL_SYLL_4.0 · Question #203
CTFL_SYLL_4.0 Question #203: Real Exam Question with Answer & Explanation
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Question
Which sequence of state transitions is INCORRECT in accordance with the following description? To provide for disaster recovery a system (designated as A) has been provided with a backup system (designated as B). Only one of them can be active at a time. When A goes down, B becomes active. When A comes back up then B becomes inactive and A becomes active again. However, when A is down and B also goes down then a message is sent to the system administrator. After this once A comes back up, A becomes active or if B comes up then B becomes Active.
Options
- AA and B are both down then A and B both come back up at the same time. A should become
- BA is active and B is inactive. A goes down. B becomes active then B goes down. A is made
- CA is active and B is inactive then A goes down, B becomes active.
- DA comes up when B is active and A was down. Now A becomes active and B becomes
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