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NEW QUESTION: 1
Which statement is correct about LTO tape drives as a solution for SMB customers?
A. LTO tape drives are very affordable
B. LTO tape drives provide an entry-level SAN solution.
C. LTO tape drive implementation and management is highly complex.
D. LTO tape drives have the highest cost for backup and archive
Answer: D
NEW QUESTION: 2
A. Option D
B. Option B
C. Option A
D. Option C
E. Option E
Answer: C
Explanation:
Topic 4, WingTip Toys
General Background
You are a data architect for WingTip Toys. The company uses SQL Server 2012 Enterprise edition. SQL Server Analysis Services (SSAS) and SQL Server Reporting Services (SSRS) are installed on separate servers.
Data Warehouse
The company's data warehouse initially contained less than 100 MB and 100 million rows of data from only one data source. It now contains more than 10 TB and 10 billion rows of data, in 25 tables, from 12 data sources.
The largest table in the data warehouse, the factOrders table, contains 5 TB of data. The factOrders table contains three date keys: OrderDateKey InvoiceDateKey, and ShipDateKey. The data warehouse server has 1 TB of RAM. Memory usage is currently at 20 percent.
One billion rows of data are added to the data warehouse each month. New data is copied each night from the data sources into SQL Server staging tables, and existing records are not updated. The largest data set is order information, which is loaded in parallel into multiple staging tables, one for each data source. All the staging tables have the same structure and belong to the same filegroup as the factOrders table.
The dimCustomers table stores customer information that may change over time.
Data Models
You are developing three SSAS databases, as described in the following table.
Reporting
Business users frequently generate reports in Microsoft Excel by using PowerPivot. The PowerPivot Management Dashboard does not currently display any usage data.
Several SSRS reports exist that use the data warehouse as a source. The data warehouse queries are aggregate queries that use the factOrders table and one or more dimension tables. All SSRS data sources use Integrated Windows authentication.
SSRS displays a security access error message when managers run SSRS reports based on the Operations database.
Reporting performance has become unacceptably slow.
Business Requirements
Improve the query speed of the SSRS reports.
Allow business users to create reports by using PowerPivot and Power View.
Ensure that all users other than business users can view metadata for the Customers dimension. Ensure that business users cannot view metadata for the Customers dimension.
Technical Requirements
Modify the tables in the data warehouse to minimize aggregate query processing time.
Minimize disk storage in the data warehouse.
Ensure that all multidimensional models process data as quickly as possible.
Create a fact table named factCustomerContact in the data warehouse to store the contact date, customer key, and communication type for each instance of customer contact.
Store the history of customer information changes in the dimCustomers table.
Move data from the staging tables into the factOrders table as quickly as possible. When creating dimensions for the date keys in the factOrders table, minimize storage space requirements and optimize the cube processing time.
Ensure that queries against the Sales database return the most current data in the data warehouse.
Ensure that the SSAS model of the Finance database does not page to disk or return a memory error as the size of the database grows.
Create an SSAS monitoring solution that tracks the following data:
* Queries answered per second
* Queries from cache direct per second
* Queries from file per second.
NEW QUESTION: 3
View the Exhibit and examine the output.
You execute the following RMAN command to perform the backup operation:
RMAN> RUN {
ALLOCATE CHANNEL c1 DEVICE TYPE disk MAXOPENFILES 8;
BACKUP DATABASE FILESPERSET 4;
}
What is the multiplexing level in the preceding backup process?
A. 0
B. 1
C. 2
D. 3
Answer: A
Explanation:
Section: Backup, Recovery & Recovery Manager (RMAN)
The MAXOPENFILES parameter of ALLOCATE CHANNEL or CONFIGURE CHANNEL defines how many datafiles RMAN can read from simultaneously. The basic multiplexing algorithm is as follows:
-Number of files in each backup set
This number is the minimum of the FILESPERSET setting and the number of files read by each channel. The FILESPERSET default is 64.
-The level of multiplexing
This is the number of input files simultaneously read and then written into the same backup piece. The level of multiplexing is the minimum of MAXOPENFILES and the number of files in each backup set. The MAXOPENFILES default is 8. Suppose that you back up 12 datafiles with one channel when FILEPERSET is set to 4. The level of multiplexing is the lesser of this number and
8. Thus, the channel simultaneously writes blocks from 4 datafiles into each backup piece. Now suppose that you back up 50 datafiles with one channel. The number of files in each backup set is
50. The level of multiplexing is the lesser of this number and 8. Thus, the channel simultaneously writes blocks from 8 datafiles into each backup piece. http://www.filibeto.org/sun/lib/nonsun/oracle/11.1.0.6.0/B28359_01_200708/backup.111/b28270/rc mtunin.htm Tuning RMAN Performance.
NEW QUESTION: 4
HOTSPOT
An integrator needs to determine the power consumption of an HP BladeSystem.
Enclosure Click the Insight Display menu option that will display the power consumption in watts.
Answer:
Explanation: