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| Section | Objectives |
|---|---|
| Administration and Maintenance | - Node management and cluster administration - Service management and workload balancing |
| Installation and Configuration | - Oracle Clusterware installation and setup - RAC database creation and configuration |
| High Availability and Recovery | - Failover and recovery mechanisms in RAC - Backup and recovery strategies in clustered environments |
| Storage Management | - Automatic Storage Management (ASM) in RAC - Shared storage configuration and best practices |
| Performance and Troubleshooting | - RAC performance tuning and monitoring - Diagnosing RAC interconnect and cache fusion issues |
| Oracle Real Application Clusters Architecture | - RAC instance architecture and Cache Fusion - Clusterware components and architecture |
1. Which three statements are correct regarding ASM instances in a RAC environment? (Choose three.)
A) ASM instances recognize their disks by looking at their headers.
B) ASM instances must all have the same value for ASM_DISKSTRING.
C) ASM instances can use different values for ASM_POWER_LIMIT.
D) ASM instances can mount different sets of disk groups.
E) ASM instances must all have the same value for ASM DISKGROUPS.
2. Which two statements are true in any RAC environment? (Choose two.)
A) After your redo threads are defined, you cannot add new ones.
B) A publicly enabled thread can be used by any instance of your RAC database.
C) A RAC database must contain at least two threads of redo log files per instance.
D) A redo thread must contain at least two groups of redo log files before it can be enabled.
E) A RAC database must contain at most one redo thread for each instance.
3. Your four-node RAC cluster is no longer coping with workloads for one of its databases at peak periods and you decide to add another node to the cluster. The current configuration has two RAC databases, each with four instances with only the second database using ASM as a clustered database file system. ASM is installed in a separate home. Which five steps must you take to add all the software components and processes to the new node before you run DBCAto add database and ASM instances on the new cluster nodes. Do not be concerned with the correct sequence for the steps. (Choose five.)
A) Run addnode.sh in the Clusterware home/oui/bin directory from each of the existing nodes once to define the new node to each existing node.
B) Run netca from the new node to add a listener to the new node.
C) Run cluvfy stage -pre crsinst <list of all nodes> from one of the existing nodes to verify the cluster configuration.
D) Run racgons add_config from one of the existing nodes to add the ONS metadata to the OCR.
E) Run addNode.sh in the ASM home/oui/bin directory from one of the existing nodes.
F) Run addnode.sh in the Clusterware home/oui/bin directory from one of the existing nodes to define the new node to all existing nodes.
G) Run addNode.sh in the RDBMS home/oui/bin directory from one of the existing nodes.
4. Which two initialization parameters must be set to start up an ASM instance in a RAC environment? (Choose two.)
A) B_UNIQUE_NAME
B) ASM_DISKGROUPS
C) CLUSTER DATABASE
D) ASM_DISKSTRING
E) ASM_POWER_LIMIT
F) INSTANCE_TYPE
5. You have a three-tier architecture for your application, which uses an Oracle RAC database and a middle tier that uses Oracle Application Server with Java programming, using JDBC as the standard. There are three RAC services defined, and four instances in the database are using ASM as the cluster file system. Connection pools are also used. Which three features of Fast Application Notification would be beneficial in your environment, and which choices for your application would you recommend? (Choose three.)
A) Load Balancing Advisory FAN events to control ASM I/O workload
B) JDBC Implicit Connection Cache
C) the continuous availability of services due to FAN events
D) the App Server Up and Down FAN event notifications
E) ODP.Net connection pool
F) Load Balancing Advisory FAN events to control workload per instance for each service
Solutions:
| Question # 1 Answer: A,C,D | Question # 2 Answer: B,D | Question # 3 Answer: B,D,E,F,G | Question # 4 Answer: C,F | Question # 5 Answer: B,C,F |
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