Oracle 1Z0-078 Certification Sample Questions and Answers

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Oracle 1Z0-078 Sample Questions:

01. A systems engineer wants to verify the current placement of a single-instance clustered database within a server pool. Which utility should be used?
a) srvctl
b) asmcmd
c) adrci
d) netca
 
02. Which two statements are true regarding database services in a clustered environment?
(Choose two.)
a) Services can run on selected instances
b) Services support workload management
c) Services replace listeners entirely
d) Services eliminate failover operations
 
03. A DBA is monitoring cluster resource availability after an unexpected instance failure. Which component automatically restarts failed resources when possible?
a) Clusterware
b) RMAN
c) Data Pump
d) SQL Loader
 
04. An Oracle database administrator is reviewing the architecture of an Oracle RAC environment that contains four cluster nodes accessing the same database storage. Which statement correctly describes Oracle RAC architecture?
a) Each node maintains an independent control file
b) Each instance requires a separate database copy
c) RAC instances cannot share ASM disk groups
d) Multiple instances access a single shared database
 
05. A clustered database environment experiences a node failure during business operations. Database services automatically restart on surviving nodes, and application connectivity is restored with minimal interruption.
Which Oracle capability most directly supports this behavior?
a) OCR synchronization
b) Service failover management
c) ASM rebalance operations
d) Flashback transaction recovery
 
06. A systems administrator is preparing servers for a clustered database deployment. Which utility should be executed before installation to verify hardware, operating system, and network prerequisites?
a) lsnrctl
b) srvctl
c) asmcmd
d) cluvfy
 
07. A company deploys a clustered database environment with SCAN listeners and load balancing enabled. During testing, administrators notice that most client sessions connect repeatedly to the same database instance.
Which configuration area should be reviewed first?
a) Client load balancing settings
b) ASM redundancy attributes
c) OCR backup configuration
d) Flashback recovery targets
 
08. An administrator is configuring name resolution for a clustered database environment that uses SCAN listeners. Which network component resolves the SCAN name to multiple IP addresses?
a) ONS
b) DNS
c) OCR
d) GPNP
 
09. Which two tasks are commonly performed before installing a clustered database environment?
(Choose two.)
a) Configuring shared storage
b) Disabling cluster listeners
c) Dropping OCR contents
d) Verifying network connectivity
 
10. A database administrator is configuring recovery procedures for a clustered database environment. Which Oracle utility is primarily used for backup and recovery operations?
a) crsctl
b) srvctl
c) RMAN
d) asmcmd

Answers:

Question: 01

Answer: a

Question: 02

Answer: a, b

Question: 03

Answer: a

Question: 04

Answer: d

Question: 05

Answer: b

Question: 06

Answer: d

Question: 07

Answer: a

Question: 08

Answer: b

Question: 09

Answer: a, d

Question: 10

Answer: c

 

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