Which two statements are true about load balancing using a database service in a RAC environment? (Choose two.)
A.
Client-side connect time load balancing works only if it uses a tnsnames entry specifying LOAD_BALANCE=yes.
B.
Server-side connect time load balancing is done at the time of the initial connection attempt to the database service.
C.
Server-side load balancing connections are always distributed across instances based on the fastest response time for the service.
D.
Client-side connect time load balancing is done at the time of the initial connection attempt to the database service.
E.
In client-side load balancing, the SCAN listener uses the Load Balancing Advisory to direct a connection request to the least loaded instance hosting the service.
A: true, although it is better to say LOAD_BALANCE=on
B: true
C: false, basdon goal, not always the fastest
D: false, Instead, client-side connect time load balancing occurs when the client attempts to connect to a listener, and Oracle Net randomly chooses a listener from the tnsnames.ora entry
E: false, the description is server-side Load-Balancing
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Tunglinfo9
3 months ago