Testlet 1
Case Study
This is a case study. Case studies are not timed separately. You can use as much exam time as you would like to complete each case. However, there may be additional case studies and sections on this exam. You must manage your time to ensure that you are able to complete all questions included on this exam in the time provided.
To answer the questions included in a case study, you will need to reference information that is provided in the case study. Case studies might contain exhibits and other resources that provide more information about the scenario that is described in the case study. Each question is independent of the other questions in this case study.
At the end of this case study, a review screen will appear. This screen allows you to review your answers and to make changes before you move to the next section of the exam. After you begin a new section, you cannot return to this section.
To start the case study
To display the first question in this case study, click the Next button. Use the buttons in the left pane to explore the content of the case study before you answer the questions. Clicking these buttons displays information such as business requirements, existing environment, and problem statements. If the case study has an All Information tab, note that the information displayed is identical to the information displayed on the subsequent tabs. When you are ready to answer a question, click the Question button to return to the question.
Overview
Litware, Inc. is an international manufacturing company that has 3,000 employees.
Litware has two main offices. The offices are located in Miami, FL, and Madrid, Spain.
Existing Environment
Infrastructure
Litware currently uses a third-party provider to host a datacenter in Miami and a disaster recovery datacenter in Chicago, IL.
The network contains an Active Directory domain named litware.com. Litware has two third-party applications hosted in Azure.
Litware already implemented a site-to-site VPN connection between the on-premises network and Azure.
SAP Environment
Litware currently runs the following SAP products:
– Enhancement Pack6 for SAP ERP Central Component 6.0 (SAP ECC 6.0)
– SAP Extended Warehouse Management (SAP EWM)
– SAP Supply Chain Management (SAP SCM)
– SAP NetWeaver Process Integration (PI)
– SAP Business Warehouse (SAP BW)
– SAP Solution Manager
All servers run on the Windows Server platform. All databases use Microsoft SQL Server. Currently, you have 20 production servers.
You have 30 non-production servers including five testing servers, five development servers, five quality assurance (QA) servers, and 15 pre-production servers.
Currently, all SAP applications are in the litware.com domain.
Problem Statements
The current version of SAP ECC has a transaction that, when run in batches overnight, takes eight hours to complete. You confirm that upgrading to SAP Business Suite on HANA will improve performance because of code changes and the SAP HANA database platform.
Litware is dissatisfied with the performance of its current hosted infrastructure vendor. Litware experienced several hardware failures and the vendor struggled to adequately support its 24/7 business operations.
Requirements
Business Goals
Litware identifies the following business goals:
– Increase the performance of SAP ECC applications by moving to SAP HANA. All other SAP databases will remain on SQL Server.
– Move away from the current infrastructure vendor to increase the stability and availability of the SAP services.
– Use the new Environment, Health and Safety (EH&S) in Recipe Management function.
– Ensure that any migration activities can be completed within a 48-hour period during a weekend.
Planned Changes
Litware identifies the following planned changes:
– Migrate SAP to Azure.
– Upgrade and migrate SAP ECC to SAP Business Suite on HANA Enhancement Pack 8.
Technical Requirements
Litware identifies the following technical requirements:
– Implement automated backups.
– Support load testing during the migration.
– Identify opportunities to reduce costs during the migration.
– Continue to use the litware.com domain for all SAP landscapes.
– Ensure that all SAP applications and databases are highly available.
– Establish an automated monitoring solution to avoid unplanned outages.
– Remove all SAP components from the on-premises network once the migration is complete.
– Minimize the purchase of additional SAP licenses. SAP HANA licenses were already purchased.
– Ensure that SAP can provide technical support for all the SAP landscapes deployed to Azure.
You are evaluating which migration method Litware can implement based on the current environment and the business goals.
Which migration method will cause the least amount of downtime?
A. Migrate SAP ECC to SAP Business Suite in HANA, and then migrate SAP to Azure.
B. Use Near-Zero Downtime (NZDT) to migrate to SAP HANA and Azure during the same maintenance window.
C. Use the Database Migration Option (DMO) to migrate to SAP HANA and Azure during the same maintenance window.
D. Migrate SAP to Azure, and then migrate SAP ECC to SAP Business Suite on HANA.
Answer: C
Explanation:
The SAP Database Migration Option (DMO) with System Move option of SUM, used as part of the migration allows customer the options to perform the migration in a single step, from source system on-premises, or to the target system residing in Microsoft Azure, minimizing overall downtime.
Reference: https://blogs.sap.com/2017/10/05/your-sap-on-azure-part-2-dmo-with-system-move/
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