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試験番号：1z0-068問題集試験科目：Oracle Database 12c: RAC and Grid Infrastructure Administration
最近更新時間：2017-05-31
問題と解答：全92問 1z0-068 的中合格問題集
100％の返金保証。1年間の無料アップデート。
NO.1 Examine this command:
SQl> CREATE DISKGROUP RECO HIGH REDUNDANCY:
FAILGROUP fgrpl1 DISK
'/dev/disk1' NAME disk1,
'/dev/disk2' NAME disk2,
'/dev/disk3' NAME disk3,
FAILGROUP fgrpl2 DISK
'/dev/disk4' NAME disk4,
'/dev/disk5' NAME disk5,
'/dev/disk6' NAME disk6,
FAILGROUP fgrpl3 DISK
'/dev/disk7' NAME disk7,
'/dev/disk8' NAME disk8,
'/dev/disk9' NAME disk9,
ATTRIBUTE 'au_size'='4M',
'compatible.asm' = '12.1',
'compatible.rdbms' = '12.1',
'compatible.advm' = '12.1',
'content_type' = 'recovery';
Which two statements are true about this disk group?
A. Files created using a template with the redundancy attribute set to HIGH will have three-way
mirroring.
B. The Compatible attribute values of the disk group can bechanged to lower values.
C. File created in it have three copies for each allocation unit.
D. The RECO diskgroup may only be used for the FRA.
E. Files created using a template with the redundancy attributes set to MIRROR will have three-way
Mirroring.
F. Any database instance with the COMPATIBLE parameter 10.1 and higher can use it.
Answer: A,C
Explanation:
For Oracle ASM to mirror files, specify the redundancy level as NORMAL REDUNDANCY (2-way
mirroring by default for most file types) or HIGH REDUNDANCY (3-way mirroring for all files).
Note:
When a file is created, redundancy and striping attributes are set for that file based on an explicitly
named template or the system template that is the default template for the file type.
NO.2 Which two components must always be defined or specified by an administrator to make an
application highly available using Oracle 12c Clusterware?
A. an application resource
B. a resource dependency definition
C. A Server Pool
D. an application VIP
E. a script agent
Answer: A,E
1z0-068 時間
Explanation:
Oracle Clusterware manages applications when they are registered as resources with
OracleClusterware. Oracle
Clusterware has access to application-specific primitives that have the ability to start, stop, and
monitor a specific resource. Oracle Clusterware runs all resource-specific commands through an
entity called an agent.
Note: When initializing the agent framework, if any of the mandatory entry points are not provided,
then the agent framework invokes a script pointed to by the ACTION_SCRIPT resource attribute.
References:https://docs.oracle.com/database/121/CWADD/crschp.htm#CWADD92082
NO.3 Which three statements are true regarding ACFS snapshots in Oracle 12c ASM?
A. They are contained in a directory on thesame volume as their parent file system.
B. All ACFS snapshot operations for all filesystem are serialized clusterwide.
C. They can be administered using ASMCM
D. They can only be accessed whenthe file system is mounted.
E. They are always point-in-time copies of the parent file system.
F. You can create a snapshot from an existing snapshot.
Answer: B,D,F
1z0-068 コンポーネント
Explanation:
All Oracle ACFS snapshot operations are serialized clusterwide in the kernel.
You chose to create a snapshot image on an existing snapshot group, select a snapshot group from
the existing snapshot group table (make sure you select a snapshot group that has not reached its
maximum limit of snapshot images).
Before you can access the files on a file system, you need to mount the file system.
References:
https://docs.oracle.com/database/121/OSTMG/GUID-5A3EF695-A795-4FEA-8BE2-
AF657BD2238C.htm#OSTMG33000
http://mysupport.netapp.com/NOW/public/eseries/amw/index.html#page/SANtricity_v11.20_Array
_Management_
Window_Help/create_PIT_image.html(Creating a Snapshot image 3rd point, 1st line).
https://docs.oracle.com/cd/E19455-01/805-7228/6j6q7ueup/index.html(1st paragraph, 1st line).
NO.4 Examine this output:
ASMCMD> volinfo - G ACFS -a
Diskgroup Name: ACFS
Volume Name: VOL1
Volume Device: /dev/asm/vol1-280
State: ENABLED
Size (MB): 2048
Resize Unit (MB): 32
Redundancy: MIRROR
Stripe Columns: 4
Stripe Width (K): 128
Usage: ACFS
Mountpath: /u01/app/grid/acfsmount
The ACFS disk group has 10 GB free space and the file system is currently mounted.
You execute this command to increase the volume size:
ASMCMD >volresize -G ACFS -s 3G VOL1
Which statement is true regarding the outcome?
A. It succeeds but the file system is automatically unmounted.
B. Itfails because resizing a volume containing an ACFS file system must be performed using
ACFSUTIL.
C. It fails because the file system must be unmounted before resizing.
D. It fails because the -f option is not specified.
E. It succeeds
Answer: B
1z0-068 正確率
Explanation:
If there is an Oracle ACFS file system on the volume, then you cannot resize the volume with the
volresize command.
You must use the acfsutil size command, which also resizes the volume and file system.
References:https://docs.oracle.com/cd/E11882_01/server.112/e18951/asm_util007.htm#OSTMG94
769
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