1z1-070 Pdf題庫介紹

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1z1-070 PDF DEMO:

QUESTION NO: 1
Which three are sources for alerts from storage servers in an X5 Database Machine?
A. Software errors reported by the RS process on the storage servers
B. Hardware sensor alerts reported by the CELLSRV process on the storage servers
C. Hardware sensor alerts detected by the ILOM on the storage servers
D. Software errors reported by the MS process on the storage servers
E. Metrics that have administrator-defined thresholds on the storage servers
Answer: B,D,E
Explanation:
AB: The Management Server (MS) process receives the metrics data from CELLSRV, keeps a subset of metrics in memory, and writes to an internal disk-based repository hourly. In addition, the MS process can generate alerts for important storage cell hardware or software events.

QUESTION NO: 2
You issued these commands to all Exadata Storage Servers in an X6 Exadata Database Machine using dcli:
alter iormplan objective = off
alter iormplan active
There are no database or category plans defined.
You are suffering I/O performance problems at certain times, which vary by day and week.
DSS and batch workloads perform well, but your OLTP workloads suffer poor response times when running at the same time as these other workloads.
You must ensure that DSS and batch workloads retain relatively high throughput without causing excessive degradation of OLTP performance.
Which statement would you issue to all Exadata Storage Servers to achieve this?
A. alter iormplan objective = high_throughput
B. alter iormplan objective = balanced
C. alter iormplan objective = low_latency
D. alter iormplan objective = auto
Answer: C
Explanation:
When the objective option is set to basic, the database resource plan maximum utilization limits are not enforced. For stricter plan conformance, and enforcement of maximum utilization limits, the objective option must be set to something other than basic. The supported IORM objectives are auto, low_latency, balanced, and high_throughput.
The objective may also be changed to low_latency in which case the latency for critical I/Os is very good but there is a significant degradation in scan throughput when both workloads are running concurrently.

QUESTION NO: 3
Which three statements are true about bulk data loading capabilities in an X5 Database
Machine environment?
A. DBFS must be used to bulk load data into a production database on the Database Machine.
B. DBFS must be used to have a POSIX-compliant shared storage solution that is accessible from the database servers on a Database Machine.
C. ACFS may be used if Exadata-based shared storage is required to stage data before bulk loading into a database.
D. DBFS may be used if Exadata-based shared storage is required to stage data before bulk loading into a database.
E. ACFS must be used to have a POSIX -compliant shared storage solution that is accessible from the database servers on a Database Machine.
F. DBFS must use the DBFS_DG diskgroup for any DBFS store.
G. ACFS may use the DBFS_DG diskgroup to contain the ADVM volume file.
Answer: A,B,D
Explanation:
External tables on DBFS file-systems provide the probably the most high-performance way to bulk load data into your database.
Bulk Data Loading
Describe the various options for staging data to be bulk loading into Database Machine
Configure the Database File System (DBFS) feature for staging input data files
Use external tables based on input data files stored in DBFS to perform high-performance data loads.

QUESTION NO: 4
Which two statements are true about the use of DBFS, ACFS, and external file systems and components in an X5 Database Machine environment?
A. ACFS supports file system snapshots.
B. DBFS supports file system snapshots.
C. Storage Area Network (SAN) -based file systems may be accessed directly from the storage servers in a database machine.
D. ACFS uses storage in a database on the database machine
E. Oracle Sun ZFS Storage Appliance- based files are not automatically protected by Data Guard.
Answer: A,B
Explanation:
DBFS SecureFiles Store Capabilities include support for file system snapshots.
Oracle ACFS includes advanced features such as file system snapshot.
References:
http://www.oracle.com/technetwork/ru/database/dbfs-sf-oow2009-v2-160969.pdf
http://www.oracle.com/technetwork/database/database-technologies/cloud-storage/benefits-of- oracle-acfs-2379064.pdf

QUESTION NO: 5
Which two statements are true about the use of Intelligent Platform Management Interface
(IPMI) on an X5 or X6 Database Machine?
A. The Baseboard Management Controller (BMC), which supports IPMI, runs as a multithreaded process on the storage server O/S.
B. The Baseboard Management Controller (BMC), which supports IPMI, runs as a single- threaded process on the storage server O/S.
C. IPMI can be used for server configuration and management on each database server.
D. IPMI can be used for server configuration and management on each storage server.
Answer: B,C
Explanation:
A: IPMI - short for Intelligent Platform Management Interface - is an interface standard that allow s remote management of a server from another using standardized interface.
The servers in the Exadata Database Machine follow that. It's not an Exadata command but rather a general Linux one.
To power on a cell or database server, issue this from another server:
# ipmitool -H prolcel01-ilom -U root chassis power on
To stop a server, use the shutdown command. To stop immediately and keep it down, i.e.
not reboot, execute:# shutdown -h -y now
C: Like the KCS interface, the SSIF Interface is only specified as a 'Single Threaded
Interface' for standard IPMI commands. That is, the BMC implementation is not expected to process more than one IPMI request at a time. While an implementation is allowed to have a degree of
'command queuing', for standard IPMI messages the SSIF lacks a 'Seq' field that software can use to match up particular instances of requests with responses.
References: https://www.intel.com/content/dam/www/public/us/en/documents/specification- updates/ipmi-intelligent-platform-mgt-interface-spec-2nd-gen-v2-0-spec-update.pdf

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考試編碼:1z1-070
考試名稱:Oracle Exadata X5 Administration
更新時間:2018-06-21
問題數量:90題
Oracle 最新 1z1-070 題庫資源

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軟體引擎

考試編碼:1z1-070
考試名稱:Oracle Exadata X5 Administration
更新時間:2018-06-21
問題數量:90題
Oracle 1z1-070 題庫下載

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在線測試引擎

考試編碼:1z1-070
考試名稱:Oracle Exadata X5 Administration
更新時間:2018-06-21
問題數量:90題
Oracle 新版 1z1-070 題庫

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