Valid 70-776 Dumps shared by PassLeader for Helping Passing 70-776 Exam! PassLeader now offer the newest 70-776 VCE dumps and 70-776 PDF dumps, the PassLeader 70-776 exam questions have been updated and ANSWERS have been corrected, get the newest PassLeader 70-776 dumps with VCE and PDF here: https://www.passleader.com/70-776.html (75 Q&As Dumps)
BTW, DOWNLOAD part of PassLeader 70-776 dumps from Cloud Storage: https://drive.google.com/open?id=1R1iVzArLOI8VIIsY-pYYTq5ktJzHBkJR
QUESTION 11
You have a Microsoft Azure SQL data warehouse. The following statements are used to define file formats in the data warehouse:
You have an external PolyBase table named file_factPowerMeasurement that uses the FileFormat_ORC file format. You need to change file_ factPowerMeasurement to use the FileFormat_PARQUET file format. Which two statements should you execute? (Each correct answer presents part of the solution. Choose two.)
A. CREATE EXTERNAL TABLE
B. ALTER TABLE
C. CREATE EXTERNAL TABLE AS SELECT
D. ALTER EXTERNAL DATA SOURCE
E. DROP EXTERNAL TABLE
Answer: AE
QUESTION 12
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution. After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You are troubleshooting a slice in Microsoft Azure Data Factory for a dataset that has been in a waiting state for the last three days. The dataset should have been ready two days ago. The dataset is being produced outside the scope of Azure Data Factory. The dataset is defined by using the following JSON code:
You need to modify the JSON code to ensure that the dataset is marked as ready whenever there is data in the data store.
Solution: You change the interval to 24.
Does this meet the goal?
A. Yes
B. No
Answer: B
Explanation:
https://docs.microsoft.com/en-us/azure/data-factory/v1/data-factory-create-datasets
QUESTION 13
You plan to deploy a Microsoft Azure virtual machine that will a host data warehouse. The data warehouse will contain a 10 TB database. You need to provide the fastest read and writes times for the database. Which disk configuration should you use?
A. storage pools with mirrored disks
B. RAID 5 volumes
C. spanned volumes
D. stripped volumes
E. storage pools with striped disks
Answer: E
QUESTION 14
Note: This question is part of a series of questions that present the same scenario. Each question in the series contains a unique solution that might meet the stated goals. Some question sets might have more than one correct solution, while others might not have a correct solution. After you answer a question in this section, you will NOT be able to return to it. As a result, these questions will not appear in the review screen.
You are troubleshooting a slice in Microsoft Azure Data Factory for a dataset that has been in a waiting state for the last three days. The dataset should have been ready two days ago. The dataset is being produced outside the scope of Azure Data Factory. The dataset is defined by using the following JSON code:
You need to modify the JSON code to ensure that the dataset is marked as ready whenever there is data in the data store.
Solution: You add a structure property to the dataset.
Does this meet the goal?
A. Yes
B. No
Answer: B
Explanation:
https://docs.microsoft.com/en-us/azure/data-factory/v1/data-factory-create-datasets
QUESTION 15
You have a fact table named PowerUsage that has 10 billion rows. PowerUsage contains data about customer power usage during the last 12 months. The usage data is collected every minute. PowerUsage contains the columns configured as shown in the following table:
LocationNumber has a default value of 1. The MinuteOfMonth column contains the relative minute within each month. The value resets at the beginning of each month. A sample of the fact table data is shown in the following table:
There is a related table named Customer that joins to the PowerUsage table on the CustomerId column. Sixty percent of the rows in PowerUsage are associated to less than 10 percent of the rows in Customer. Most queries do not require the use of the Customer table. Many queries select on a specific month. You need to minimize how long it takes to find the records for a specific month. What should you do?
A. Implement partitioning by using the MonthKey column.
Implement hash distribution by using the CustomerId column.
B. Implement partitioning by using the CustomerId column.
Implement hash distribution by using the MonthKey column.
C. Implement partitioning by using the MonthKey column.
Implement hash distribution by using the MeasurementId column.
D. Implement partitioning by using the MinuteOfMonth column.
Implement hash distribution by using the MeasurementId column.
Answer: C
Get the newest PassLeader 70-776 VCE dumps here: https://www.passleader.com/70-776.html (75 Q&As Dumps)
And, DOWNLOAD the newest PassLeader 70-776 PDF dumps from Cloud Storage for free: https://drive.google.com/open?id=1R1iVzArLOI8VIIsY-pYYTq5ktJzHBkJR