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NEW QUESTION: 1
Overview
Application Overview
Contoso, Ltd., is the developer of an enterprise resource planning (ERP) application.
Contoso is designing a new version of the ERP application. The previous version of the ERP application used SQL Server 2008 R2.
The new version will use SQL Server 2014.
The ERP application relies on an import process to load supplier data. The import process updates thousands of rows simultaneously, requires exclusive access to the database, and runs daily.
You receive several support calls reporting unexpected behavior in the ERP application. After analyzing the calls, you conclude that users made changes directly to the tables in the database.
Tables
The current database schema contains a table named OrderDetails.
The OrderDetails table contains information about the items sold for each purchase order. OrderDetails stores the product ID, quantities, and discounts applied to each product in a purchase order.
The product price is stored in a table named Products. The Products table was defined by using the SQL_Latin1_General_CP1_CI_AS collation.
A column named ProductName was created by using the varchar data type. The database contains a table named Orders.
Orders contains all of the purchase orders from the last 12 months. Purchase orders that are older than 12 months are stored in a table named OrdersOld.
The previous version of the ERP application relied on table-level security.
Stored Procedures
The current version of the database contains stored procedures that change two tables. The following shows the relevant portions of the two stored procedures:
Customer Problems
Installation Issues
The current version of the ERP application requires that several SQL Server logins be set up to function correctly. Most customers set up the ERP application in multiple locations and must create logins multiple times.
Index Fragmentation Issues
Customers discover that clustered indexes often are fragmented. To resolve this issue, the customers defragment the indexes more frequently. All of the tables affected by fragmentation have the following columns that are used as the clustered index key:
Backup Issues
Customers who have large amounts of historical purchase order data report that backup time is unacceptable.
Search Issues
Users report that when they search product names, the search results exclude product names that contain accents, unless the search string includes the accent.
Missing Data Issues
Customers report that when they make a price change in the Products table, they cannot retrieve the price that the item was sold for in previous orders.
Query Performance Issues
Customers report that query performance degrades very quickly. Additionally, the customers report that users cannot run queries when SQL Server runs maintenance tasks. Import Issues During the monthly import process, database administrators receive many supports call from users who report that they cannot access the supplier data. The database administrators want to reduce the amount of time required to import the data.
Design Requirements
File Storage Requirements
The ERP database stores scanned documents that are larger than 2 MB. These files must only be accessed through the ERP application. File access must have the best possible read and write performance.
Data Recovery Requirements
If the import process fails, the database must be returned to its prior state immediately.
Security Requirements
You must provide users with the ability to execute functions within the ERP application, without having direct access to the underlying tables.
Concurrency Requirements
You must reduce the likelihood of deadlocks occurring when Sales.Prod and Sales.Proc2 execute.
You need to recommend a solution that addresses the index fragmentation and index width issue. What should you include in the recommendation? (Each correct answer presents part of the solution. Choose all that apply.)
A. Remove the lastModified column from the clustered index.
B. Change the data type of the modifiedBy column to tinyint.
C. Remove the modifiedBy column from the clustered index.
D. Remove the id column from the clustered index.
E. Change the data type of the lastModified column to smalldatetime.
F. Change the data type of the id column to bigint.
Answer: A,C
Explanation:
Explanation
Scenario: Index Fragmentation Issues Customers discover that clustered indexes often are fragmented. To resolve this issue, the customers defragment the indexes more frequently. All of the tables affected by fragmentation have the following columns that are used as the clustered index key:
NEW QUESTION: 2
Sie verwalten alle Bereitstellungen von Microsoft SQL Server 2014 in Ihrem Unternehmen. Sie haben zwei Server in demselben Rechenzentrum, auf dem sich Ihre Produktionsdatenbank befindet.
Sie müssen sicherstellen, dass die Datenbank verfügbar bleibt, wenn ein katastrophaler Server- oder Festplattenfehler auftritt.
Sie müssen auch die Transaktionskonsistenz der Daten auf beiden Servern gewährleisten.
Sie müssen diese Ziele ohne manuelles Eingreifen erreichen.
Welche Konfiguration solltest du verwenden?
A. Zwei Server im selben Rechenzentrum. Ein Primärserver, der alle 10 Minuten für den Protokollversand konfiguriert ist. Ein Sicherungsserver, der als Warm-Standby konfiguriert ist
B. SQL Server mit einer Anwendungsdatenbank, die für die Durchführung der Transaktionsreplikation konfiguriert ist
C. Zwei Server in verschiedenen Rechenzentren konfiguriertSQL Server-Verfügbarkeitsgruppe im Synchron-Commit-Verfügbarkeitsmodus konfiguriert Ein Server als Active Secondary konfiguriert
D. Zwei Server, die in einem Windows-Failovercluster in demselben SQL Server-Rechenzentrum konfiguriert sind, das als Clusterinstanz konfiguriert ist
E. Zwei Server, die in verschiedenen Rechenzentren konfiguriert sindSQL Server-Verfügbarkeitsgruppe, die im Asynchron-Commit-Verfügbarkeitsmodus konfiguriert ist
F. SQL Server mit einer Anwendungsdatenbank, die für die Snapshot-Replikation konfiguriert ist
G. Zwei Server im selben Rechenzentrum konfiguriertSQL Server-Verfügbarkeitsgruppe im Asynchron-Commit-Verfügbarkeitsmodus konfiguriert Ein Server als Active Secondary konfiguriert
H. Zwei Server, die in derselben Subnetz-SQL Server-Verfügbarkeitsgruppe konfiguriert sind, die im Synchron-Commit-Verfügbarkeitsmodus konfiguriert ist
Answer: H
Explanation:
Always On availability groups supports two availability modes-asynchronous-commit mode and synchronous-commit mode Synchronous-commit mode emphasizes high availability over performance, at the cost of increased transaction latency.
References:
https://docs.microsoft.com/en-us/sql/database-engine/availability-groups/windows/availability-modes-always-on-availability-groups#SyncCommitAvMode
NEW QUESTION: 3
Four testers have each submitted an incident report in which each reported a problem with the User log-on process. User log-on is a critical component of the system. The table below describes the four defect reports submitted.
Which Tester has reported the incident MOST effectively, considering the information and priority they have supplied?
A. Tester 4
B. Tester 3
C. Tester 1
D. Tester 2
Answer: A
NEW QUESTION: 4
An engineer is enabling port security on a Cisco MDS 9000 Series Switch.
Which feature of enabling port security on a Cisco MDS 9000 Series Switch must be considered?
A. It authorizes only the configured sWWN to participate in the fabric.
B. It binds the fabric at the switch level.
C. It can be distributed by using Cisco Fabric Services.
D. It always learns about switches that are logging in.
Answer: C