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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. You defined the HR service using the following command:
srvctl add service -d RACDB -s HR -r RAC02.RAC03 -a RAC01
After a while, you realize that there is a workload peak on the HR service, and you decide to temporarily start HR on the RAC04 instance.
Which command or series of commands would you use to start HR on RAC04?

A) srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01 srvctl stop service -d RACDB -s HR srvctl start service -d RACDB -s HR
B) srvctl start service -d RACDB -s HR -i RAC04
C) srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01 srvctl start service -d RACDB -s HR
D) srvctl modify service -d RACDB -s HR -i RAC02.RAC03.RAC04 -a RAC01
E) srvctl remove service -d RACDB -s HR Srvctl add service -d RACDB -s Hr-r RAC02.RAC03.RAC04 -a RAC01

2. Which three statements regarding backup of the voting disk are true? (Choose three.)

A) A backup of the voting disk should be taken whenever an RMAN catalog reset is done.
B) Whenever a voting disk backup is made, the Clusterware software should be stopped on all nodes in the cluster.
C) A backup of the voting disk should be taken whenever a new node is added to the cluster.
D) A backup of the voting disk should be taken whenever an existing node is removed from the cluster.
E) On UNIX platforms, the voting disk can be backed up with the dd command.

3. Several steps must be followed to successfully add a node to your cluster database. Assuming that a UNIX platform is used, which of the steps listed below is not correct? (Choose the incorrect step.

A) Add instances via DBC
B) Reconfigure listeners for the new node with netca.
C) Add the RAC software to the new node using orainstRoot.sh from ORACLEJHOM
D) Add the node to the cluster using the addnode.sh script run from ORA_CRS_HOME.
E) Configure the OS and hardware for the new node.

4. Which CREATE SEQUENCE option is the most scalable?

A) NOCACHE NOORDER
B) CACHE NOORDER
C) CACHE ORDER
D) NOCACHE ORDER

5. You are asked to investigate a problem regarding client connectivity between the HR service and a database, which is on a four-node RAC cluster. The HR service has four preferred instances on the RAC cluster. This cluster also supports five other services. Occasionally, a client-connect request for the HR service takes several minutes to connect, whereas the other five services connect within a second or two. Client-side and server-side connection load balancing are used for all the services. Which combination of network settings would explain these symptoms? (Choose two.)

A) The listener on one or more nodes is listening on both the Public IP address and the Virtual IP address, and the HR TNSNAMES entry uses the Virtual IP address.
B) The TNSNAMES. ORA file has an entry for the five other services that use the hostnames for the Virtual IP addresses and all the listeners listen on both the Public and Virtual IP addresses.
C) The TNSNAMES.ORA file has an entry for the HR service that uses only the host name for the public IP address, and all the listeners listen on both the Public and Virtual IP addresses.
D) The TNSNAMES. ORA file has an entry for all six services that uses the host name for the Public IP address and not the Virtual IP address.
E) The listener on one or more nodes is listening only on the Virtual IP address and the HR TNSNAMES entry uses the Hostnames for the Virtual IP addresses.

Solutions: