Oracle 1z0-068 問題集

質問 1：
Which four tasks are performed by DBCA when you convert a single-instance database to a four-instance RAC database?
A. creating database services
B. creating additional undo tablespaces
C. creating additional redo threads
D. creating shared ASM disk groups
E. adding additional initialization parameters
F. adding cluster resources
正解：B,C,E,F
解説: (Topexam メンバーにのみ表示されます)

質問 2：
Which two statements are true concerning the installation of Oracle Grid Infrastructure 12c when using a Standard Cluster? (Choose two.)
A. The Grid Infrastructure Management Repository is only required when using ASM.
B. The Clusterware binaries may be installed without installing ASM binaries.
C. Specifying the use of Grid Naming Service is optional.
D. High Redundancy ASM Disk Groups used for Clusterware files will contain two OCRs.
E. Normal Redundancy ASM Disk Groups used for Clusterware flies will contain three voting files regardless of the number of failgroups.
正解：B,E

質問 3：
Which two statements are true about resources defined by an administrator and registered with Oracle 12c Clusterware for high availability?
A. Resource dependencies are automatically set when using a policy-managed resource.
B. A policy-managed resource can be started manually using crsctl.
C. An administrator-managed resource can be started manually using srvctl.
D. The action script is automatically set when using a policy-managed resource.
E. An administrator-managed resource can be started manually using crsctl.
F. A policy-managed resource can be started manually using srvctl.
正解：B,C
解説: (Topexam メンバーにのみ表示されます)

質問 4：
Your four-node cluster runs Oracle 12c Clusterware and supports a mix of RAC databases from Oracle 10g Release 2 to Oracle 12c Release 1.
All databases have one or more services defined.
The Oracle 10g Release 2 database clients connect to the database instances using the public VIP.
The Oracle 11g Release 2 and 12c Release 1 clients connect to the database instances using the Single Client Access Name (SCAN).
You must change the public VIPS.
Which three steps must be done to change the VIPs on host01, the first node in the cluster? (Choose three.)
A. Use srvctl modify nodeapps to change the VIP on host01.
B. Use oifcfg setif to stop the VIP on host01.
C. Use srvctl start vip to start the VIP on host01.
D. Use oifcfg setif to start the VIP on host01.
E. Use srvctl stop vip to stop the VIP on host01.
正解：A,C,E

質問 5：
Which method can be used to convert a single-instance Oracle 12c Database to a RAC Database?
A. using the rconfig utility to create a template from the single-instance database and then using DBCA to create a RAC database on the cluster using that template
B. using DBCA to create a template from the single-instance database and then to create a RAC database on the cluster using that template
C. using DBCA to migrate the database to shared storage and then start one or more RAC database instances on the cluster
D. using the rconfig utility to migrate the database to shared storage and then using DBCA to start one or more RAC database instances on the cluster.
正解：B

質問 6：
Which three statements are true concerning the Automatic Workload Repository (AWR) in a RAC environment?
A. Taking an AWR snapshot in a RAC database captures data from all instances that have the database opened.
B. Data captured by an AWR is aggregated across all instances before being stored in the database.
C. AWR snapshots are created when control_management_pack_access is set to "none"
D. Taking an AWR snapshot in a RAC database captures data from the local instance only.
E. The awr_snapshot_time_offset parameter specifies the number of seconds each instance waits after the top of the hour before taking its AWR snapshot.
正解：A,C,E
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Which three statements are true concerning activation of a user-defined policy in Oracle 12c Clusterware?
A. When a policy is first created, it is initially active.
B. When a policy is activated, nodes may be reassigned to server pools based on the policy definition.
C. When a policy is first created, it is initially inactive.
D. An administrator-defined policy may be activated using the srvctl utility.
E. When a policy is activated, resources cannot be automatically started to comply with the policy definition.
F. When a policy is activated, resources can be automatically stopped to comply with the policy definition.
正解：B,C,D
解説: (Topexam メンバーにのみ表示されます)

質問 8：
Which three statements are true about ASM Cloud File System (ACFS) encryption?
A. An ACFS snapshot can be ACFS encrypted.
B. A copy of an encrypted file is not encrypted unless it is created in an encrypted directory.
C. acfsutil encr init is used to establish role separation between encryption managers and encryption auditors.
D. acfsutil encr off can be run by an encryption manager who may not have system administrator privileges.
E. acfsutil encr on can be used to specify the encryption key length for a directory or file.
正解：A,B,E
解説: (Topexam メンバーにのみ表示されます)