Sample Questions

1:Which statement describes active replication for fault tolerance?

  1. Active replication requires all members to execute the same invocation.

  2. Active replication requires the master member to synchronize state with the slave members.

  3. Active replication requires the master member to notify the slave members for each invocation.

  4. Active replication requires the master member to send state to the fault tolerance backplane.

2:A shipping company is building an enterprise system to track the location of packages. One part of the tracking system is a network of wireless inventory devices. The devices can only be accessed using a custom, synchronous TCP/IP protocol. How should you encapsulate interaction with the wireless inventory system? ...

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