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Suggested Answer:CE🗳️
C: With server-side load balancing, the SCAN listener directs a connection request to the best instance currently providing the service, based on the -clbgoal and - rlbgoal settings for the service. E: The SCAN is an essential part of Database configuration. So, by default, the REMOTE_LISTENER parameter is set to the SCAN, assuming that the Database is created using standard Oracle tools. This enables the instances to register with the SCAN Listeners as remote listeners to provide information on what services are being provided by the instance, the current load, and a recommendation on how many incoming connections should be directed to the instance. Note: Single Client Access Name (SCAN) is an Oracle Real Application Clusters (Oracle RAC) feature that provides a single name for clients to access Oracle Databases running in a cluster. Incorrect Answers: B: You must set the LOCAL_LISTENER parameter to the node-VIP. If you need fully qualified domain names, then ensure that the LOCAL_LISTENER parameter is set to the fully qualified domain name. By default, a node listener is created on each node in the cluster during cluster configuration. With Oracle Grid Infrastructure, the node listener runs out of the Oracle Grid Infrastructure home and listens on the node-VIP using the specified port. D: LOAD_BALANCE=on, not LOAD_BALANCE=YES, is used. References: https://docs.oracle.com/database/121/JJDBC/scan.htm#JJDBC29151 https://docs.oracle.com/database/121/RACAD/hafeats.htm#RACAD7122
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