1Z0-048 exam dumps

Oracle 1Z0-048 Value Package

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  • Exam Code: 1Z0-048
  • Exam Name: Oracle Database 10g R2: Administering RAC
  • No. of Questions: 150 Questions and Answers
  • Updated: Jul 18, 2026

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Oracle 1Z0-048 Exam Syllabus Topics:

SectionObjectives
Topic 1: Performance and Troubleshooting- RAC performance tuning and monitoring
- Diagnosing RAC interconnect and cache fusion issues
Topic 2: High Availability and Recovery- Backup and recovery strategies in clustered environments
- Failover and recovery mechanisms in RAC
Topic 3: Storage Management- Shared storage configuration and best practices
- Automatic Storage Management (ASM) in RAC
Topic 4: Installation and Configuration- Oracle Clusterware installation and setup
- RAC database creation and configuration
Topic 5: Oracle Real Application Clusters Architecture- Clusterware components and architecture
- RAC instance architecture and Cache Fusion
Topic 6: Administration and Maintenance- Service management and workload balancing
- Node management and cluster administration

Oracle Database 10g R2: Administering RAC Sample Questions:

1. View the Exhibit and examine a database software installation step in a RAC environment.
Which statement about the path is true?

A) You must specify the same path where Oracle clusterware is installed.
B) You should specify the same path that you specified for the ORACLE_BASE environment variable.
C) You must specify the location of the OCR file.
D) You should specify a path under ORACLE_BASE where Oracle product is to be installed.
E) You must specify the same path that you specified to install ASM.
F) You must specify the location of Oracle inventory.


2. To complete a cluster database creation, the DBA must choose the cluster database storage method. Which storage choice is not correct? (Choose the incorrect one.)

A) Raw Devices
B) Standard UNIX file system
C) Supported SAN/NAS storage
D) Cluster File System
E) Automatic Storage Management (ASM)


3. You decide to change the redo thread of one of your database instances.
Now you have only two threads: thread 1 is currently being used by instance RAC01, and thread 2 is currently being used by instance RAC02.
In which three orders could you perform the following commands to add thread 3 to your
database, and ensure that instance RAC01 is using thread 3? (Choose three acceptable orders.
1 srvctl stop instance -d RACDB -i RAC01
2 ALTER DATABASE ENABLE THREAD 3;
3 ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 6;
4 srvctl start instance -d RACDB -i RAC01
5 ALTER SYSTEM SETthread=3 SCOPE=SPFILE SID='RAC01';
6 ALTER DATABASE ADD LOGFILE THREAD 3 GROUP 5;

A) 2,5,1, 4,6
B) 2,6,3, 5,1
C) 3,6,5, 2,1
D) 2,5,1, 4,3
E) 6,3,5, 2,1
F) 6,3,2, 5,1


4. Which background process communicates load information to its listener?

A) MMON
B) LMON
C) SMON
D) PMON


5. 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.


Solutions:

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

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