[2018-3-16] Lead2pass Microsoft 70-764 Latest Exam Dumps Download (161-170)
Lead2pass 2018 New Microsoft 70-764 Braindump Free Download.v.2018-3-16.332q: https://www.lead2pass.com/70-764.html 11 1 QUESTION 161 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a data warehouse that stored sales data. One fact table has 100 million rows. You must reduce storage needs for the data warehouse. You need to implement a solution that uses column-based storage and provides real-time analytics for the operational workload. Solution: You remove all clustered indexes, sort the transactions in the table, and create a clustered index on the table, so that the table is not a heap. Does the solution meet the goal? A. Yes B. No Answer: A Explanation: Columnstore indexes are the standard for storing and querying large data warehousing fact tables. It uses column-based data storage and query processing to achieve up to 10x query performance gains in your data warehouse over traditional row-oriented storage, and up to 10x data compression over the uncompressed data size. In SQL Server, rowstore refers to table where the underlying data storage format is a heap, a clustered index, or a memory-optimized table. References: https://docs.microsoft.com/en-us/sql/relational-databases/indexes/columnstore-indexes-overview 3 2 QUESTION 162 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a data warehouse that stored sales data. One fact table has 100 million rows. You must reduce storage needs for the data warehouse. You need to implement a solution that uses column-based storage and provides real-time analytics for the operational workload. Solution: You load the data in a heap table. Does the solution meet the goal? A. Yes B. No Answer: B Explanation: It is better to use a clustered index. Columnstore indexes are the standard for storing and querying large data warehousing fact tables. It uses column-based data storage and query processing to achieve up to 10x query performance gains in your data warehouse over traditional row-oriented storage, and up to 10x data compression over the uncompressed data size. In SQL Server, rowstore refers to table where the underlying data storage format is a heap, a clustered index, or a memory-optimized table. References: https://docs.microsoft.com/en-us/sql/relational-databases/indexes/columnstore-indexes-overview 3 2 QUESTION 163 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a data warehouse that stored sales data. One fact table has 100 million rows. You must reduce storage needs for the data warehouse. You need to implement a solution that uses column-based storage and provides real-time analytics for the operational workload. Solution: You generate a new certificate on new instance. Does the solution meet the goal? A. Yes B. No Answer: B Explanation: Certificates are of no use in this scenario. QUESTION 164 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You attempt to restore a database on a new SQL Server instance and receive the following error message: "Msg 33111, Level 16, State 3, Line 2 Cannot find server certificate with thumbprint `0x7315277C70764B1F252DC7A5101F6F66EFB1069D." You need to ensure that you can restore the database successfully. Solution: You add the backup set password to the restore command. Does this meet the goal? A. Yes B. No Answer: B Explanation: The error is related to the certificate. References: https://dba.stackexchange.com/questions/3388/restore-encrypted-database-to-another-server?rq=1 5 4 QUESTION 165 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You attempt to restore a database on a new SQL Server instance and receive the following error message: "Msg 33111, Level 16, State 3, Line 2 Cannot find server certificate with thumbprint `0x7315277C70764B1F252DC7A5101F6F66EFB1069D." You need to ensure that you can restore the database successfully. Solution: You restore the certificate on the new instance. Does this meet the goal? A. Yes B. No Answer: A Explanation: The error is related to the certificate. References: https://dba.stackexchange.com/questions/3388/restore-encrypted-database-to-another-server?rq=1 5 4 QUESTION 166 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a database that includes a table named Candidate. You need to update the statistics for a column named Skills in the table and turn off automatic statistics updates for the column. Solution: You run the following query: Does this meet the goal? A. Yes B. No Answer: A Explanation: FULLSCAN: Compute statistics by scanning all rows in the table or indexed view. FULLSCAN and SAMPLE 100 PERCENT have the same results. References: https://technet.microsoft.com/en-us/library/ms187348(v=sql.110).aspx 6 QUESTION 167 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a database that includes a table named Candidate. You need to update the statistics for a column named Skills in the table and turn off automatic statistics updates for the column. Solution: You run the following query: Does this meet the goal? A. Yes B. No Answer: A Explanation: The following example updates the Products statistics in the Product table, forces a full scan of all rows in the Product table, and turns off automatic statistics for the Products statistics. USE AdventureWorks2012; GO UPDATE STATISTICS Production.Product(Products) WITH FULLSCAN, NORECOMPUTE; Note: NORECOMPUTE Disable the automatic statistics update option, AUTO_UPDATE_STATISTICS, for the specified statistics. If this option is specified, the query optimizer completes this statistics update and disables future updates. To re-enable the AUTO_UPDATE_STATISTICS option behavior, run UPDATE STATISTICS again without the NORECOMPUTE option or run sp_autostats. References: https://docs.microsoft.com/en-us/sql/t-sql/statements/update-statistics-transact-sql 8 7 QUESTION 168 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a database that includes a table named Candidate. You need to update the statistics for a column named Skills in the table and turn off automatic statistics updates for the column. Solution: You run the following query: Does this meet the goal? A. Yes B. No Answer: B Explanation: RESAMPLE: Update each statistic using its most recent sample rate. References: https://docs.microsoft.com/en-us/sql/t-sql/statements/update-statistics-transact-sql 8 7 QUESTION 169 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a server named Server1 that has Microsoft SQL Server installed. Server1 has SQL Server Audit configured to send audit even records to a file. You need to ensure that a database user named User1 can review the audit data. Solution: You grant the VIEW SERVER STATE permission to User1. Does this meet the goal? A. Yes B. No Answer: A Explanation: Each feature and command for SQL Server Audit has individual permission requirements. Unless otherwise specified, viewing catalog views requires a principal to have one of the following: The VIEW SERVER STATE permission. The VIEW AUDIT STATE permission (gives only the principal access to the sys.server_audits catalog view). Membership in the sysadmin fixed server role. The CONTROL SERVER permission. The ALTER ANY AUDIT permission. A principal must have the VIEW SERVER STATE or ALTER ANY AUDIT permission to use the Dynamic Management Views. References: https://technet.microsoft.com/en-us/library/cc280665(v=sql.105).aspx 10 9 QUESTION 170 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 sections, you will NOT be able to return to it. As a result, these questions will not appear in the review screen. You have a server named Server1 that has Microsoft SQL Server installed. Server1 has SQL Server Adult configured to send audit even records to a file. You need to ensure that a database user named User1 can review the audit data. Solution: You assign the db_datareader role to User1. Does this meet the goal? A. Yes B. No Answer: B Explanation: Each feature and command for SQL Server Audit has individual permission requirements. Unless otherwise specified, viewing catalog views requires a principal to have one of the following: The VIEW SERVER STATE permission. The VIEW AUDIT STATE permission (gives only the principal access to the sys.server_audits catalog view). Membership in the sysadmin fixed server role. The CONTROL SERVER permission. The ALTER ANY AUDIT permission. A principal must have the VIEW SERVER STATE or ALTER ANY AUDIT permission to use the Dynamic Management Views. 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