Oracle Database 10g R2: Administering RAC : 1Z0-048 Exam

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Oracle 1Z0-048 Exam Syllabus Topics:

Oracle Database 10g R2: Administering RAC Sample Questions:

1. You have migrated your 10g R1 cluster to 10g R2. You wish to create multiple copies of the voting disk. What must you consider when doing this?

A) For the voting disk, it is better to rely on multipathing solutions instead of multiplexing.
B) If multiplexing, two voting disks on independent devices is ideal.
C) If multiplexing, three voting disks on independent devices is ideal.
D) Since ASM is the stated direction of Oracle, ASM is the best storage for voting disks.

2. You decide to implement Fast Start Failover for your RAC Data Guard configuration to improve your high availability strategy. Which are the two valid locations for the DG Broker configuration files? (Choose two.)

A) on the shared storage at the primary location
B) on the shared storage at the observer location
C) on the local storage at the observer location
D) on the storage that is shared between the observer location and at least one of the instances that is part of the data guard configuration
E) on the shared storage at the standby location

3. When an ASM instance initializes, ASM discovers and examines the contents of all the disks that are in the paths designated in the ASM_DISKSTRING initialization parameter. Under which four other circumstances does disk discovery take place? (Choose four.)

A) when you run ALTER DISKGROUP...RESIZE DISK
B) when you query VJASMjDPERATION
C) when you query V$ASM_DISKGROUP
D) when you run ALTER DISKGROUP...ADD DISK
E) when you query V$ASM_DISK

4. You observe a high number of gc current failure on your RAC system. What could be causing this issue?

A) You are not using the correct private interconnect.
B) There is too much contention on the High Water Mark enqueue of your tables.
C) Too much parsing is occurring on your system.
D) Too much manual locking is occurring.

5. Which three statements about quiescing a RAC database are true? (Choose three.)

A) Use the ALTER SYSTEM QUIESCE RESTRICTED statement from a single instance.
B) The ALTER SYSTEM QUIESCE RESTRICTED and ALTER SYSTEM UNQUIESCE statements affect all instances in a RAC environment.
C) The database cannot be opened from another instance until the ALTER SYSTEM QUIESCE?statement finishes execution.
D) It is possible to take a cold backup while the database is in a quiesced state.

Solutions: