Card 93 / 125: What is the difference between active and passive replication?
A)
They both provide fault tolerance
B)
In passive replication each client request is processed by all the replicas
C)
In active replication each client request is processed by all the replicas
D)
In passive replication there is only one primary server that processes client requests , where the remaining replicas wok as back ups
E)
In passive replication before the back up is made from the primary server to the other replicas, the primary server sends the response to the client
F)
In passive replication all the servers send a response to the client, but the client waits for the first response and ignore the rest since they are all identical
Answer:
A) They both provide fault tolerance
C) In active replication each client request is processed by all the replicas
D) In passive replication there is only one primary server that processes client requests , where the remaining replicas wok as back ups
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In active replication each client request is processed by all the replicas and all replicas send a response to the client, but the client waits for the first response and the rest responses, since they are all identical, are blocked.
In passive replication, there is one primary server that handles the request and responds to the client. After the primary server finishes processing the request and before responding to the client, it updates the other backups with its state
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JavaChamp TeamSenior Java Developer
QuizOver.com
Germany
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