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Question 1

Which two statements are true about High Availability NFS (HANFS)? (Choose two.)

AHANFS provides high availability in case of an NFS client failure.

BHANFS' performance depends on the characteristics of the underlying ASM disks.

CHANFS does not depend on NFS services provided by the underlying operating system.

DHANFS provides high availability in case of cluster node failure.

ENFS client requests are distributed by DNS in a round-robin fashion to the cluster nodes that export the NFS

Correct Answer: 1

B, D

Question 2

Which three statements are true concerning Automatic Database Diagnostic Monitor (ADDM) for RAC? (Choose three.)

AIt can analyze performance over any given time period.

BIt can diagnose skew in response time.

CIt can analyze performance using data captured on all instances.

DIt can only analyze performance on the instance running the ADDM job.

EIt can diagnose latency problems in the Cluster Interconnect.

FIt runs automatically in Instance ADDM mode after each AWR snapshot is created.

Correct Answer: 2

A, B, C

Question 3

Which two statements are true regarding ASM Dynamic Volume Manager (ADVM)? (Choose two.)

AAn ADVM volume is individually named and can contain only one file system.

BADVM extends ASM by providing a device driver interface to storage backed by an ASM disk group.

CFile systems contained in ADVM volumes may only contain database files.

DOnly one ADVM volume can be created in an ASM disk group.

ETo create an ADVM volume, disk group attributes COMPATIBLE.ASM and COMPATIBLE.ADVM must be minimally set to 12.1.<.span>.

Correct Answer: 3

A, B

Question 4

Which two statements are true concerning buffer states as shown in GV$BH.STATUS in Oracle 19c RAC? (Choose two.)

AA CR image may get served from one instance to another to satisfy a read request.

BAn xcur image is not downgraded to a SCUR image for shipping to another instance until commits occur for updated rows on the block.

CAn xcur image is not shipped to another instance until commits occur for updated rows on the block.

DA Pi block image may exist for a specific database block in only one instance.

EAn xcur block image may exist for a specific database block in only one instance.

Correct Answer: 4

A, E

Question 5

Which two statements are true about load balancing using a database service in a RAC environment? (Choose two.)

AClient-side connect time load balancing works only if it uses a tnsnames entry specifying load BALANCE=yes.

BServer-side connect time load balancing is done at the time of the initial connection attempt to the database service.

CServer-side load balancing connections are always distributed across instances based on the fastest response time for the service.

DClient-side connect time load balancing is done at the time of the initial connection attempt to the database service.

EIn client-side load balancing, the SCAN listener uses the Load Balancing Advisory to direct a connection request to the least loaded instance hosting the service.

Correct Answer: 5

B, D

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