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Exam Code: 1Z0-058 (Practice Exam Latest Test Questions VCE PDF)
Exam Name: Oracle Real Application Clusters 11g Release 2 and Grid Infrastructure
Certification Provider: Oracle
Free Today! Guaranteed Training- Pass 1Z0-058 Exam.

2016 Jun 1Z0-058 Study Guide Questions:

Q91. Which three describe how often OCR backups are taken and how many are retained, according to the default backup schedule? 

A. every 12 hours and the Clusterware keeps the last four copies 

B. every 4 hours and the Clusterware keeps the last three copies 

C. every day and the Clusterware keeps the last two copies 

D. every day and the Clusterware keeps the last three copies 

E. every week and the Clusterware keeps the last two copies 

Answer: B,C,E 

Explanation: 

Locating the OCR Automatic Backups 

The OCR is backed up automatically. 

Only one node performs the backup. 

To determine the node and location of the backup: 

$ ocrconfig -showbackup auto 

host02 2009/07/28 12:20:42 /u01/app/.../cdata/cluster01/backup00.ocr 

host02 2009/07/28 08:20:41 /u01/app/.../cdata/cluster01/backup01.ocr 

host02 2009/07/28 04:20:40 /u01/app/.../cdata/cluster01/backup02.ocr 

host02 2009/07/27 16:20:37 /u01/app/.../cdata/cluster01/day.ocr 

host02 2009/07/28 00:20:39 /u01/app/.../cdata/cluster01/week.ocr 

Files could be spread across nodes due to outages. 

The backup frequency and retention policies are: 

– Every four hours: CRS keeps the last three copies. 

– At the end of every day: CRS keeps the last two copies. 

– At the end of every week: CRS keeps the last two copies. 

D60488GC11 Oracle 11g: RAC and Grid Infrastructure Administration Accelerated 3 - 11 


Q92. You have configured your eight-node cluster to use GNS. The network administrator has established delegated subdomain for the Custer which is MYCLUSTER.EXAMPLE.COM. 

DHCP has been configured so that the cluster now manages IP addresses within the cluster. 

Select three responses that describe the VIPs that will exist in this configuration. 

A. 3 GNS VIPs 

B. 8 Node VIPs 

C. 3 SCAN VIPs 

D. 1 GNS VIP 

E. 3 Node VIPs 

Answer: B,C,D 

Explanation: Implementing GNS 

If you use GNS, then you must specify a static IP address for the GNS VIP address, and delegate a subdomain to be delegated to that static GNS VIP address. 

Dynamic IP address assignment using Oracle Grid Naming Service (GNS) 

If you select this option, then network administrators assign static IP address for the physical host name and dynamically allocated IPs for the Oracle Clusterware managed VIP addresses. In this case, IP addresses for the VIPs are assigned by a DHCP and resolved using a multicast domain name server configured as part of Oracle Clusterware within the cluster. If you plan to use GNS, then you must have the following: 

. A DHCP service running on the public network for the cluster 

. Enough addresses on the DHCP to provide 1 IP address for each node's virtual IP, and 3 IP addresses for the cluster used by the Single Client Access Name (SCAN) for the cluster Oracle Grid Infrastructure Installation Guide 


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Q93. You are managing a three-instance policy-managed RAC database PROD. You created a service called GL for the PROD database by using the following command: 

oracle@gr7597~]$srvctl add service –d PROD -s GL –g SP1 -c singleton -y manual 

Examine the following output: (oracle@gr7597~]$srvctl config database -d PROD -a Database unique name: PROD base name: PROD Oracle home: /u0l/app/oracle/product/11.2.0/dbhome_l cle user: oracle Spfile: 

+DATA/PROD/spfil6RACDB.ora Domain: Start options: open Stop options: immediate Database role: PRIMARY Management policy: AUTOMATIC Server pools: SPl Database instances: Disk Groups: DATA, FRA Services: 

Database is enabled Database is policy managed [oracle@gr?597~]$ crsctl stat res ora.PROD.db 

NAME=ora.PROD.db 

TYPE=cluster__resource 

TARGET=ONLlNE 

STATE^ONLINE on gr7597 ONLINE on gr7602 ONLINE on gr7633 

[oracle@gr7597~]S crsctl stat serverpool ora.SPl 

NAME=ora.SPl 

ACTIVE_SERVERS=gr7S97 gr7 602 gr7633 

[oracle@gr7597-JS crsctl NAME=ora.prod.gl.svc 

TYPE=ora.service - type 

TARGET=ONLINE 

STATE=ONLlNE on gr7597 

Which three steps are required to enable ODP.NET clients that connect to the GL services to receive FAN High Availability Events? 

A. Enable Advanced Queuing notifications by using SRVCTL as shown in the following command: srvctl modify service -d prod —s gl —q TRUE -j LONG 

B. Execute the following statement for the users that will be connecting by way of the -Net Application, where user_name is the user name: EXECUTE DBMS_AQADM.GRANT_QUEUE_PRIVILEGE(‘DEQUEUE‘,‘SYS.SYSSSERVICE_METRI CS’ user_name); 

C. Enable Transparent Application Failover (TAF), either on the client or for the service. 

D. Enable Fast Connection Failover for ODP.NET connection pools by subscribing to FAN High Availability events. Do this by setting the HA events connection string attribute to true at connection time. 

E. Link client applications with the client thread or operating system library. 

Answer: A,B,D 

Explanation: Perform the following steps to enable FAN for ODP.NET clients: . Enable Advanced Queuing notifications for a service by using SRVCTL as shown in the following example: srvctl modify service -d crm -s odpnet.example.com -q TRUE 

. Grant permissions on the internal event queue table by executing the following command for the users that will be connecting by way of the ODP.NET application, where user_name is the database user name: 

EXECUTE 

DBMS_AQADM.GRANT_QUEUE_PRIVILEGE('DEQUEUE','SYS.SYS$SERVICE_METR 

ICS', user_name); . Enable Fast Connection Failover for ODP.NET connection pools by subscribing to FAN high availability events. To enable FCF, include "HA Events=true" and "pooling=true" (the default value) in the connection string, as shown in the following example where user_name is the name of the database user and password is the password for that user: con.ConnectionString = "User Id=user_name;Password=password;Data Source=odpnet;" + "Min Pool Size=10;Connection Lifetime=120;Connection Timeout=60;" + "HA Events=true;Incr Pool Size=5;Decr Pool Size=2"; 

Oracle Real Application Clusters Administration and Deployment Guide 


Q94. Some new non-ASM shared storage has been made available by the storage administrator, and the Oracle Grid Infrastructure administrator decides to move the voting disks, which do not reside in ASM, to this new non-ASM location. How can this be done? 

A. by running crsctl add css votedisk <path_to_new_location> followed by crsctl delete css –votedisk <path_to_old_location> 

B. by running crsctl replace css votedisk <path_to_old_location,path_to_new_location> 

C. by running srvctl replace css votedisk <path_to_old_location, path_to_new_location> 

D. by running srvctl add css votedisk <path_to_new_location> followed by srvctl delete css votedisk <path_to_old_location> 

Answer: A 

Explanation: 

Adding, Deleting, or Migrating Voting Disks 

Modifying voting disks that are stored in Oracle ASM To migrate voting disks from Oracle ASM to an alternative storage device, specify the path to the non-Oracle ASM storage device with which you want to replace the Oracle ASM disk group using the following command: $ crsctl replace votedisk path_to_voting_disk You can run this command on any node in the cluster. 

To replace all voting disks not stored in Oracle ASM with voting disks managed by Oracle ASM in an Oracle ASM disk group, run the following command: $ crsctl replace votedisk +asm_disk_group 

Modifying voting disks that are not stored on Oracle ASM: To add one or more voting disks, run the following command, replacing the path_to_voting_disk variable with one or more space-delimited, complete paths to the voting disks you want to add: $ crsctl add css votedisk path_to_voting_disk [...] To replace voting disk A with voting disk B, you must add voting disk B, and then delete voting disk A. To add a new disk and remove the existing disk, run the following command, replacing the path_to_voting_diskB variable with the fully qualified path name of voting disk 

B: 

$ crsctl add css votedisk path_to_voting_diskB -purge 

The -purge option deletes existing voting disks. 

To remove a voting disk, run the following command, specifying one or more space-

delimited, voting disk FUIDs or comma-delimited directory paths to the voting disks you 

want to remove: 

$ crsctl delete css votedisk {FUID | path_to_voting_disk[...]} 

Oracle. Clusterware Administration and Deployment Guide 11g Release 2 (11.2) 


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Q95. Which three statements are true about cluster (OCR) and local registries (OLR)? 

A. The ocrdump command can be used to dump the contents of either the cluster registry (OCR) or the local registry (OLR). 

B. Information in the OCR is organized by keys that are associated with privileges. Therefore, the root user will see more information when using ocrdump than the grid user. 

C. After the cluster is created, the size of the OCR is static unless the Clusterware software Is upgraded. 

D. The ocrdump command can be used to dump information for a single OCR key. 

Answer: A,B,D 

Explanation: 

. This section explains how to use the OCRDUMP utility to view OCR and Oracle Local Registry (OLR) content for troubleshooting. The OCRDUMP utility enables you to view OCR and OLR contents by writing the content to a file or stdout in a readable format. 

You can use several options for OCRDUMP. For example, you can limit the output to a key and its descendents. You can also write the contents to an XML file that you can view using a browser. OCRDUMP writes the OCR keys as ASCII strings and values in a data type format. OCRDUMP retrieves header information based on a best effort basis. Displays OCR content in the terminal window in XML format ocrdump -stdout -backupfile Grid_home/cdata/cluster_name/file_name Displays the content of the in the Grid_home/cdata/ cluster_name/ file_ name directory. You must run this command as root to be able to view all of the keys. 

Oracle Clusterware Administration and Deployment Guide 


Q96. You have two administrator-defined server pools on your eight-node cluster called OLTP and DSS. 

Hosts RACNODE3, RACNODE4, and RACNODE5 are currently assigned to the DSS Pool. Hosts RACNODE6, RACNODE7, and RACNODE8 are assigned to the OLTP Pool. 

Hosts RACNODE1 and RACNODE2 are assigned to the Generic pool. 

You are patching the Oracle Grid Infrastructure in a rolling fashion for your cluster and you have completed patching nodes RACNODE3, RACNODE4, RACNODE5, and RACNODE6, but you have not patched nodes RACNODE1 and RACNODE2. 

While examining the status of RACNODE2 software, you get this output: 

$ crsctl query crs softwareversion 

Oracle Cluster-ware version on node [RACNODE2] is [11.2.0.2.0] 

$ crsctl query crs activeversion 

Oracle Clusterware active version on node [RACNODE2] is [11.2.0.1.0] 

Which two statements describe the reasons for the active versions on the nodes of the cluster? 

A. The active version is 11.2.0.2.0 on RACNODE3, RACNODE4, and RACNODE5 because all the nodes in the DSS server pool have the same installed version. 

B. The active version is 11.2.0.1.0 on RACNODE6, RACNODE7, and RACNODE8 because some nodes in the cluster still have version 11.2.0.1.0 installed. 

C. The active version is 11.2.0.1.0 on RACNODE6, RACNODE7, and RACNODE8 because some nodes in the OLTP Pool still have version 11.2.0.1.0 installed. 

D. The active version is 11.2.0.1.0 on RACNODE3, RACNODE4, and RACNODE5 because some nodes in the cluster still have version 11.2.0.1.0 installed. 

Answer: B,D 

Explanation: 

crsctl query crs softwareversion Use the crsctl query crs softwareversion command to display latest version of the software that has been successfully started on the specified node. crsctl query crs activeversion Use the crsctl query crs activeversion command to display the active version of the Oracle Clusterware software running in the cluster. During a rolling upgrade, however, the active version is not advanced until the upgrade is finished across the cluster, until which time the cluster operates at the pre-upgrade version. 

Oracle. Clusterware Administration and Deployment Guide 11g Release 2 (11.2) 


Q97. Which three steps must be completed to configure Fast Connection Failover for the CRM service with an Oracle Call Interface client? 

A. Ensure that the CRM service has Advanced Queuing notifications enabled by setting the services values of AQ_HA_NOTIFICATIONS to TRUE. 

For example: 

$ srvctl modify service -d crm -s gl.us.oracle. com \ 

-q TRUE -P BASIC -e SELECT -z 180 -w 5 -j LONG 

B. Enable OCI_EVEINTS on the client at environment creation time by using the 

OCIEnvCreate(…) function. 

C. Use Oracle Call Interface to configure UP events for the service. 

D. Client applications must be linked with the client thread or operating system library. 

Answer: A,B,D 

Explanation: 

Configuring FCF for OCI Clients OCI applications must connect to an Oracle RAC instance to enable HA event notification. Furthermore, these applications must perform the following steps to configure FCF for an OCI client: Configure the service for your OCI connection pool to enable connection load balancing and runtime connection load balancing. Also configure the service to have Advanced Queuing notifications enabled, as shown in the following example: $ srvctl modify service -d crm -s ociapp.example.com -q TRUE -B THROUGHPUT -j LONG Set the context of the environment for OCI calls on the client to enable subscriptions by using the OCIEnvCreate() call, setting the MODE parameter value to OCI_EVENTS, as follows: (void) OCIEnvCreate(&myenvhp, OCI_EVENTS|OCI_OBJECT, ...); Link the application with a thread library. After linking with the thread library, the applications can register a callback that is invoked whenever a FAN event occurs. 

Oracle. Real Application Clusters Administration and Deployment Guide 11g Release 2 (11.2) 



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