Download Oracle.1z0-068.PracticeTest.2018-08-01.88q.tqb
| Vendor: | Oracle |
| Exam Code: | 1z0-068 |
| Exam Name: | Oracle Database 12c: RAC and Grid Infrastructure Administration |
| Date: | Aug 01, 2018 |
| File Size: | 914 KB |
| Downloads: | 1 |
Demo Questions
Question 1
Which two statements are true concerning ASM diskgroups using disks with a 4k sector size?
- Their COMPATIBLE.ASM attributes must be set to 12.1 or higher.
- Their COMPATIBLE.ASM attributes must be set to 11.2 or higher.
- Performance of ACFS is improved by using these diskgroups.
- Their COMPATIBLE.RDBMS attributes must beset to 11.2 or higher.
- Their sector size attributes can be changed using the ALTER DISKGROUP command.
Correct answer: BD
Explanation:
The values for SECTOR_SIZE can be set to 512, 4096, or 4K if the disks support those values. The default value is platform dependent. The COMPATIBLE.ASM and COMPATIBLE.RDBMS disk group attributes must be set to 11.2 or higher to set the sector size to a value other than the default value. Incorrect Answers:C: Oracle ASM provides support for 4 KB sector disk drives without negatively affecting performance.Reference: https://docs.oracle.com/database/121/OSTMG/GUID-8B656725-D347-4166-8775-1070B6C4D580.htm#OSTMG10203 The values for SECTOR_SIZE can be set to 512, 4096, or 4K if the disks support those values. The default value is platform dependent. The COMPATIBLE.ASM and COMPATIBLE.RDBMS disk group attributes must be set to 11.2 or higher to set the sector size to a value other than the default value.
Incorrect Answers:
C: Oracle ASM provides support for 4 KB sector disk drives without negatively affecting performance.
Reference: https://docs.oracle.com/database/121/OSTMG/GUID-8B656725-D347-4166-8775-1070B6C4D580.htm#OSTMG10203
Question 2
Examine the output of this command:
ASMCMD> volinfo –G ACFS -a
Diskgroup Name: ACFS
Volume Name: VOL1
Volume Device: /dev/asm/vol1-280
State: ENABLED
Size (MB): 248
Resize Unit (MB): 32
Redundancy: MIRROR
Stripe Columns: 4
Stripe Width (K): 128
Usage: ACFS
Mountpath: /u01/app/grid/acfsmount
The ACFS disk group is a normal redundancy disk group with 5 GB of free space.
To increase the size of the ACFS file system, you execute this command as the root user:
$ /sbin/acfsutil size +200M /u01/app/grid/acfsmount
Which two statements are true regarding the outcome of this command?
- It resizes VOL1.
- It fails to resize the filesystem because it must be unmounted before resizing.
- It fails to resize VOL1 because it must be executed as a user belonging to the SYSASM group.
- It succeeds but leaves the filesystem unmounted.
- It resizes the filesystem mounted on /u01/app/grid/acfsmount.
Correct answer: AD
Question 3
You support a three-instance, policy-managed, multitenant RAC database CDB1 with two PDBs PDB_1 and PDB_2.
It runs on an eight-node cluster and a serverpool prod_pool has three servers.
Examine these commands executed on HOST01:
$ srvctl add service –db CDB1 –pdb PDB_1 –service HR –serverpool prod_pool
$ srvctl start service –db CDB1 –service HR
$ srvctl stop service –db CDB1 –service HR
Which two statements are true?
- HR is uniformly managed across all instances in prod_pool.
- srvctl stop service only closes PDB_1 in the instance on HOST01.
- srvctl stop service closes PDB_1 on all CDB1 instances.
- srvctl stop service prevents logins for HR only to CDB1 on HOST01.
- srvctl stop service prevents logins to any instance of CDB1 using service HR.
- HR is available on a single instance of prod_pool.
Correct answer: AE
