Oracle 1z0-068 問題集

質問 1：
Examine the output of the asmcmd and srvct1 commands:

You execute this command:
$ srvctl modify asm -count 2
All databases on the cluster are running from Oracle 12c homes.
Which statement is true about the outcome of this command?
A. The command fails because the instance count cannot be reduced to less than the minimum value of 3.
B. One ASM instance is shut down and the instance count is reduced by one.
C. The command fails because one ASM instance must be shut down manually before executing the command.
D. ASM instances continue running on all three nodes until all database instances connected to one of the ASM instances shut down.
正解：B

質問 2：
Which three statements are true about Oracle Enterprise Manager Topology Viewer?
A. It displays which listeners listen on behalf of which instances.
B. It displays the status of Pluggable Databases (PDBs) in a multitenant container database (CDB).
C. It displays the relationship between targets of different target types in a cluster.
D. It displays the status of all cluster components.
E. It displays the type of network used by RAC database instance.
F. It displays the relationship between clustered ASM and cluster databases if the database is stored in ASM.
正解：A,C,F
解説: (Topexam メンバーにのみ表示されます)

質問 3：
Examine this command executed on the first node of a four-node cluster:
$ <DATABASE_ORACLE_HOME>/0Patch/opatch apply 18031528
What does this command do?
A. It applies a patch to all database ORACLE_HOMEs with the same release only on the first cluster node.
B. It applies a patch to all database ORACLE_HOMEs with the same release on all cluster nodes.
C. It applies a patch to one database ORACLE_HOME on all cluster nodes.
D. It applies a patch to all database ORACLE_HOMEs with the same release on the first cluster node.
E. It applies a patch to one ORACLE_HOME only on the first cluster node.
正解：B

質問 4：
Examine this command executed on the first node of a three-node cluster:
# <GRID_INFRASTRUCTURE_ORACLE_HOME>/OPatch/opatchauto apply 18139660
Which two tasks does this command perform?
A. It applies a patch to all database ORACLE_HOMEs, with the same release as the Grid Infrastructure, on all cluster nodes.
B. It applies a patch to all database ORACLE_HOMEs of any version on all cluster nodes.
C. It applies a patch to all database ORACLE_HOMEs of any version on the first cluster node.
D. It applies a patch to all database ORACLE_HOMEs, with the same release as the Grid Infrastructure, only on the first cluster node.
E. It applies a patch to the Grid Infrastructure on all cluster nodes.
F. It applies a patch to the Grid Infrastructure only on the first cluster node.
正解：A,E
解説: (Topexam メンバーにのみ表示されます)

質問 5：
Which three components are integral parts of High Availability NFS (HANFS)?
A. HAVIP
B. Application VIP
C. DHCP
D. NFS
E. ExportFS
F. HAIP
正解：A,D,E
解説: (Topexam メンバーにのみ表示されます)

質問 6：
Which two statements are true concerning buffer states as shown in GV$BH.STATUS in Oracle 12c RAC?
A. A CR image may get served from one instance to another to satisfy a read request.
B. An XCUR image is not downgraded to a SCUR image for shipping to another instance until commits occur for updated rows on the block.
C. An XCUR image is not shipped to another instance until commits occur for updated rows on the block.
D. A PI block image may exist for a specific database block in only one instance.
E. An XCUR block image may exist for a specific database block in only one instance.
正解：A,E
解説: (Topexam メンバーにのみ表示されます)

質問 7：
Identify three prerequisites for the successful installation of Oracle Grid Infrastructure 12c for a standard cluster when using Full Featured Grid Naming Service (GNS).
A. A DHCP service on the private network for the cluster is required to allocate virtual IP addresses for HAIP.
B. A DHCP service on the public network for the cluster is required to allocate virtual IP addresses as required by the cluster.
C. DNS must be configured to delegate name resolution for the cluster subdomain to the cluster.
D. You must enable the Name Server Cache Daemon (NSCD).
E. Each cluster node must have at least two network interface cards,
F. You must create a Grid Management Repository database.
正解：A,B,C

質問 8：
Which two methods exist for enabling the collection of additional resource debugging information for specific resources controlled by Oracle 12c Clusterware?
A. Set the environment variable _USA_ORA_DEBUG=1 and then stop and restart the resource that requires resource debugging data to be collected.
B. Use the cluvfy comp command for the specific resource within a component.
C. Use the crsctl set log res "resource_name=debugging_level2" command.
D. Use the crsctl set trace res "resource_name=debugging_level" command.
正解：C,D
解説: (Topexam メンバーにのみ表示されます)