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

Updated: Jul 27, 2026
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Oracle 1Z0-048 Exam Syllabus Topics:

SectionWeightObjectives
Backup and Recovery in RAC Environment15%- Performing backup and recovery operations
- Configuring RMAN for RAC
RAC Database and Instance Administration20%- Starting and stopping RAC components
- Managing services and workloads
- Using SRVCTL and Enterprise Manager
Automatic Storage Management (ASM) for RAC15%- Managing ASM instances and disk groups
- Installing and configuring ASM
Monitoring and Performance Tuning10%- Resolving common performance issues
- Monitoring RAC environment
Oracle Clusterware Installation and Configuration20%- Installing and configuring Clusterware
- Pre-installation tasks and requirements
- Managing Clusterware components
Oracle RAC Installation and Database Creation20%- Creating RAC databases with DBCA
- Preparing for RAC installation
- Installing Oracle RAC software

Oracle Database 10g R2: Administering RAC Sample Questions:

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 mount different sets of disk groups.
D) ASM instances must all have the same value for ASM DISKGROUPS.
E) ASM instances can use different values for ASM_POWER_LIMIT.


2. What does your client connection do using this connect string?
n et_s e rvi c e_n a m e=
(DESCRIPTION
(LOAD_BALANCE=on)
(ADDRESS=(PROTOCOL=tcp)(HOST=sales1 -svr-vip)(PORT=1521))
(ADDRESS=(PROTOCOL=tcp)(HOST=sales2-svr-vip)(PORT=1521)))
(CONNECT_DATA=(SERVICE_NAME=sales. us. acme, com))

A) It connects you to the least loaded node.
B) It connects you to the instance on the least loaded node that currently accepts logins for the SALES.US.ACME.COM service.
C) It connects you to the least loaded instance.
D) It randomizes its connection request on the available listeners.


3. View the Exhibit and examine an installation step of Oracle Enterprise Manager Grid Control 10gR2 to manage your RAC installation. You entered the host name but you are not sure about the port number. Thefollowing is the list of port numbers from the host ed-otraclin17b.us.oracle.com:

A) 1158
B) 3938
C) 1521
D) 4889
E) 5561


4. Which two views can be used to identify SQL statements affected by interconnect latencies in your RAC environment? (Choose two.)

A) the VJSQL view
B) the VJSQL CURSOR view
C) the VJSQLTEXT view
D) the V$SQL_PLAN view
E) the VJSQLAREA view


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

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


Solutions:

Question # 1
Answer: A,C,E
Question # 2
Answer: D
Question # 3
Answer: C
Question # 4
Answer: A,E
Question # 5
Answer: B

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