先試後買

A. ASM Cluster File System

B. Oracle ASM Dynamic Volume Manager

C. Oracle Clusterware

D. Oracle Database

A. Oracle ASM provides an access path between a database instance and storage.

B. A database instance uses an extent map provided by Oracle ASM to access data files

C. An Oracle Database must use Oracle ASM in a high availability configuration.

D. Oracle ASM provides storage services only and does not interact with the database.

A. asmcmd[ + ] > alter diskgroup DATA create volume1size 5G;

B. asmcmd[ + ] >createvol -G data -a 5G volume1

C. asmcmd[ + ) >volcreate -G data -s 5Gvolume1

D. asmcmd[ + ] >vol create -G data -s 5Gvolume1

A. 1

B. It depends on the number of different disks in a Disk Group, not the number of Disk Groups.

C. 2

D. 3

A. Root causeis a stalled LGWR due to LGWR waits Enqueue:CF contention is caused by the db filesequential reads

B. Root causeis a blocked LGWR due to LGWR waits for enqueue:CF - contention, which may be held by another background process.Background process may hold a CF enqueue whileupdating the control file

C. Root causeis blocked LGWR due to LGWR waits LGWR waits ENQUEUE:CF contentionisasymptom of the db file scattered reads and excessive ITL waits

D. Root cause is blocked LGWR due to SCAN_LISTENERS(s) droppingclient connections during DoS event

A. The connections between thecluster nodes for both public and private interfaces are using the sameswitch

B. IP addresses allocated to theprivateinterconnect have beenspecifiedin/etc/hosts

C. All the private interfaces used for the interconnects are being configured in separate subnets

D. You have used crossover cables for the clusterinterconnect

A. Oracle ASM can never be considered a componentof Oracle Clusterware

B. Oracle ClusterRegistry (OCR)is stored on Oracle ASM

C. Oracle Local Registry (OLR)is stored on aclustered file system (OCFS/ACFS/DBFS)

D. Both Oracle Cluster Registry and Oracle Local Registry are stored on Oracle ASM

E. Oracle ASM can be considered a component of Oracle Clusterware technology stack only when deployed on engineered systems such asExadata or Oracle Database Appliance

A. The au size disk group attribute can have the following values; 1, 8, 16, 32, 64, or 128 MB.

B. An AU is the fundamental unit of allocation within a diskgroup

C. Every Oracle ASM disk is divided into allocation units(AUs)

D. A file extent consists of one or moreAUs

A. We know it can be shutdown when ACFS is not running.

B. We know this node must have a direct ASM client running

C. We know this is an Oracle Restart configuration.

D. We know this clusteris using Flex ASM.

E. We know Oracle ASM Dynamic Volume Manager is not supported here.