Oracle 1z0-432 問題集

質問 1：
The customeris stillnot convinced about the advantages ofusing node VIPs.Whichis the most importantpoint that willconvince him about why VIPs are usedinOracle RAC 12cR1environments?
A. Itis needed as whenever the node/interface/network related to the VIP fails, nothing happens and node VIP never fails to any other node and stays stable
B. Configuring VIP is optional and not neededinan Oracle RAC 12cR1 configuration.
C. Thisis needed as whenever a node/interface/network related to the node VIP fails,clients that attempt to connect to the VIP address receive a rapid connection-refused errorinstead of waiting for TCP connecttimeout messages.This helps for a quicker failure detection and resolution
D. Itisvery convenient as whenever a node/interface/network related to the node VIPfails,the VIP can fail to another node and the failed over VIP can start accepting connections from the new node avoiding connection failures
正解：D

質問 2：
Under which conditioncan Oracle Automated Storage Management (ASM) be considered to be a component of the Oracle Clusterware technology stack?
A. Oracle Local Registry (OLR)is stored on aclustered file system (OCFS/ACFS/DBFS)
B. Oracle ASM can never be considered a componentof Oracle Clusterware
C. Oracle ClusterRegistry (OCR)is stored on Oracle ASM
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
正解：C

質問 3：
Your manager has tasked you with planning an Oracle Grid Infrastructure 12cR1 installation. Which threeactions must be performed before beginning theinstallation?
A. Network interfaces are configured for public and private traffic.
B. All nodes are configured with the same operating system and version.
C. A valid voting disk fileis available on at least one node.
D. Shared storage is available from allservers.
E. Each public network interface has its own subnet
正解：A,B,D

質問 4：
According to the OEM Log Checker, the OCR has failed and must be restored. Which option accurately describes how to fix the problem?
A) #su - oracle ocrconfig -showbackup ocrconfig -replace/oraocfs/crs/data.ocr -replacement +ADMINDG
B) #su - grid ocrconfig -showbackup ocrconfig -replace/oraocfs/crs/data.ocr -replacement +ADMINDG
C) As root execute: ocrconfig -showbackup ocrconfig -local /oraocfs/crs/data.ocr -recover +ADMINDG
D) As root execute: ocrconfig -showbackup ocrconfig -replace/oraocfs/crs/data.ocr -replacement+ADMINDG
E) #su - grid ocrconfig -showbackup ocrconfig -cluster/oraocfs/crs/data.ocr -recover +ADMINDG
A. Option E
B. Option A
C. Option C
D. Option D
E. OptionB
正解：D

質問 5：
Identify the root cause of Enqueue: CF - Contention inthis scenario.

A. Root cause is blocked LGWR due to SCAN_LISTENERS(s) droppingclient connections during DoS event
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 causeis a stalled LGWR due to LGWR waits Enqueue:CF contention is caused by the db filesequential reads
正解：B

質問 6：
Which three statements accurately describe the components of the Cluster Ready Services Technology Stack?
A. Cluster Time Synchronization Service (CTSS): A background process that publishes events that Oracle Clusterware creates.
B. Event Management (EVM). Provides time managementinacluster for Orade Clusterware
C. Cluster Ready Services(CRS):Aspecialized oraagent process that helps CRSD manage resources owned by rootsuch as the network, and theGrid virtual IP address
D. Oracle Agent (oraagent): This process was known as RACG in Oracle Clusterware 11gR1 (11.1).
E. Cluster Synchronization Services (CSS):Manages the cluster configuration by controlling which nodes are members of the cluster and by notifying members when a node joins or leaves the cluster
F. Grid Naming Service (GNS):Handles requests sent by external DNS servers, performing name resolution fornames defined by the cluster.
正解：D,E,F