Download Oracle Database 12c: RAC and Grid Infrastructure Administration.1z0-068.PassCertification.2017-12-18.149q.tqb
| Vendor: | Oracle |
| Exam Code: | 1z0-068 |
| Exam Name: | Oracle Database 12c: RAC and Grid Infrastructure Administration |
| Date: | Dec 18, 2017 |
| File Size: | 2 MB |
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Demo Questions
Question 1
Which two statements are true regarding ASM Dynamic Volume manager (ADVM)?
- To create an ADVM volume, disk group attributes COMAPTIBLE.ASM and COMPATIBLE.ADVM must be minimally set to 12.1.
- An ADVM volume is individually named and can contain only one file system.
- Only one ADVM volume can be created in an ASM disk group.
- ADVM extends ASM by providing a device driver interface to storage backed by an ASM disk group.
- File systems contained in ADVM volumes may only contain database files.
Correct answer: BD
Explanation:
B: Each volume is individually named and may be configured for a single file system.D: Oracle ADVM extends Oracle ASM by providing a disk driver interface to Oracle ASM storage allocated as Oracle ADVM volume files.Reference: https://docs.oracle.com/database/121/OSTMG/GUID-B7A61F3B-C22A-4021-A846-F5EA749E79FF.htm#OSTMG32000 (See Note and the third para from the top.) B: Each volume is individually named and may be configured for a single file system.
D: Oracle ADVM extends Oracle ASM by providing a disk driver interface to Oracle ASM storage allocated as Oracle ADVM volume files.
Reference: https://docs.oracle.com/database/121/OSTMG/GUID-B7A61F3B-C22A-4021-A846-F5EA749E79FF.htm#OSTMG32000 (See Note and the third para from the top.)
Question 2
Which three statements are true about ASM Cloud File System (ACFS) replication?
- ACFS auditing information is replicated from the primary file system to the standby file system.
- One site of an ACFS replication configuration can be host both primary and standby file systems.
- Replication is automatically terminated if the primaries file system has less than 2GB free space.
- Standby redo log files are required on the standby site for synchronous redo transport.
- The privilege SYSREPL has been introduced for ACFS replication.
Correct answer: BCD
Explanation:
B: A site can host both primary and standby file systems. C: If the primary file system has less than 2 GB available free disk space, Oracle ACFS attempts to automatically terminate replication on the primary file system.D: On the standby system, the remote file server (RFS) receives redo data over the network from the LGWR process and writes the redo data to the standby redo log files.Reference: https://docs.oracle.com/database/121/OSTMG/GUID-8522E0B6-BE6E-4BE3-B7C7-5EA2ED4A602C.htm#OSTMG34600https://docs.oracle.com/cd/B19306_01/server.102/b14239/log_transport.htm#i1280979 B: A site can host both primary and standby file systems.
C: If the primary file system has less than 2 GB available free disk space, Oracle ACFS attempts to automatically terminate replication on the primary file system.
D: On the standby system, the remote file server (RFS) receives redo data over the network from the LGWR process and writes the redo data to the standby redo log files.
Reference: https://docs.oracle.com/database/121/OSTMG/GUID-8522E0B6-BE6E-4BE3-B7C7-5EA2ED4A602C.htm#OSTMG34600
https://docs.oracle.com/cd/B19306_01/server.102/b14239/log_transport.htm#i1280979
Question 3
Examine this command to create a volume in the DATA disk group:
SQL>ALTER DISKGROUP DATA ADD VOLUME vo11 SIZE 10g HIGH
STRIPE_WIDTH 1M;
STRIPE_COLUMNS 1;
The DATA disk group has 50GB free space.
Which two are prerequisites for successful execution of this command?
- COMAPTIBLE.ASM and COMPATIBLE.ADVM must be set to 11.2 or higher for the DATA disk group.
- The DATA disk group must not be created with external redundancy.
- The DATA disk group must not contain any other volume.
- The DATA disk group must have at least three failure groups.
- The DATA disk group must have an AU size of 1MB.
Correct answer: AD
Explanation:
The compatibility parameters COMPATIBLE.ASM and COMPATIBLE.ADVM must be set to 11.2 or higher for the disk group. A high redundancy disk group must contain at least three failure groups. Reference: https://docs.oracle.com/cd/E11882_01/server.112/e18951/asmdiskgrps.htm#OSTMG10072https://docs.oracle.com/cd/E18283_01/server.112/e16102/asmdiskgrps.htm The compatibility parameters COMPATIBLE.ASM and COMPATIBLE.ADVM must be set to 11.2 or higher for the disk group. A high redundancy disk group must contain at least three failure groups.
Reference: https://docs.oracle.com/cd/E11882_01/server.112/e18951/asmdiskgrps.htm#OSTMG10072
https://docs.oracle.com/cd/E18283_01/server.112/e16102/asmdiskgrps.htm
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