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Free AZ-120 Exam Braindumps (page: 13)

Page 13 of 41
PDF with 326 Questions

HOTSPOT (Drag & Drop is not supported)
You are planning the deployment of a three-tier SAP landscape on Azure that will use SAP HANA. The solution must meet the following requirements:
-Network latency between SAP NetWeaver and HANA must be minimized.
-An SAP production landscape on Azure must be supported.
-Network performance must be validated regularly.

What should you include in the solution? To answer, select the appropriate options in the answer area. NOTE: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: A proximity placement group
Azure offers proximity placement groups. Proximity placement groups can be used to force grouping of different VM types into a single Azure datacenter to optimize the network latency between these different VM types to the best possible. In the process of deploying the first VM into such a proximity placement group, the VM gets bound to a specific datacenter.
Note: SAP applications based on the SAP NetWeaver or SAP S/4HANA architecture are sensitive to network latency between the SAP application tier and the SAP database tier. This sensitivity is the result of most of the business logic running in the application layer. Because the SAP application layer runs the business logic, it issues queries to the database tier at a high frequency, at a rate of thousands or tens of thousands per second. In most cases, the nature of these queries is simple. They can often be run on the database tier in 500 microseconds or less.

Box 2: Enable Accelerated Networking
To further reduce network latency between Azure VMs, we recommend that you choose Azure Accelerated Networking. Use it when you deploy Azure VMs for an SAP workload, especially for the SAP application layer and the SAP DBMS layer.

Incorrect Answers:
Azure Write Accelerator is a functionality that is available for Azure M-Series VMs exclusively. As the name states, the purpose of the functionality is to improve I/O latency of writes against the Azure premium storage. For SAP HANA, Write Accelerator is supposed to be used against the /hana/log volume only. Therefore, the /hana/data and /hana/log are separate volumes with Azure Write Accelerator supporting the /hana/log volume only.

Box 3: Network Performance Monitor
Network Performance Monitor (NPM) - a cloud-based network monitoring solution for cloud-only, on- premises, and hybrid networking environments.
Network Performance Monitor offers three broad capabilities:
Performance Monitor: You can monitor network connectivity across cloud deployments and on-premises locations, multiple data centers, and branch offices and mission-critical multitier applications or microservices. With Performance Monitor, you can detect network issues before users complain.
Service Connectivity Monitor ExpressRoute Monitor

Note 2: Azure Monitor for SAP Solutions is an Azure-native monitoring product for anyone running their SAP landscapes on Azure. It works with both SAP on Azure Virtual Machines and SAP on Azure Large Instances. Incorrect Answers:
Apache JMeter is a free and open source tool for performance testing of web applications.
SAP application server to database server latency can be tested with ABAPMeter report /SSA/CAT. Latency between SAP application server and DBMS server can be tested using TCPPing (Ping is not an accurate tool on Azure) or the SAP ABAP report /SSA/CAT -> ABAPMeter – columns DB Access and E. DB Access.


Reference:

https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/sap-proximity-placement-scenarios https://docs.microsoft.com/en-us/azure/virtual-achines/workloads/sap/dbms_guide_general
https://techcommunity.microsoft.com/t5/running-sap-applications-on-the/sap-on-azure-general-update-march-2019/ba-p/377456



HOTSPOT (Drag & Drop is not supported)
For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:



Box 1: Yes
The following is a quick checklist of storage configuration best practices for running your SQL Server on Azure VM:
Place data, log, and tempdb files on separate drives.
Box 2: Yes
Accelerated networking enables single root I/O virtualization (SR-IOV) to a VM, greatly improving its networking performance. This high-performance path bypasses the host from the data path, which reduces latency, jitter, and CPU utilization for the most demanding network workloads on supported VM types.
Box 3: No
Note: The maximum transmission unit (MTU) is the largest size frame (packet), specified in bytes, that can be sent over a network interface. The MTU is a configurable setting. The default MTU used on Azure VMs, and the default setting on most network devices globally, is 1,500 bytes.


Reference:

https://docs.microsoft.com/en-us/azure/virtual-network/create-vm-accelerated-networking-powershell https://docs.microsoft.com/en-us/azure/azure-sql/virtual-machines/windows/performance-guidelines-bestpractices-checklist



HOTSPOT (Drag & Drop is not supported)
You have an SAP production landscape that uses SAP HANA databases.
You configure a metric alert for the primary HANA server as shown in the following exhibit.

You have an action group shown in the following exhibit.


The amy_email is configured as shown in the following exhibit.


For each of the following statements, select Yes if the statement is true. Otherwise, select No.
NOTE: Each correct selection is worth one point.
Hot Area:

  1. See Explanation section for answer.

Answer(s): A

Explanation:




Box 1: No
The period is 15 minutes. Only alerts or emails will be sent.
Box 2: Yes
Box 3: Yes



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 deploy SAP HANA on Azure (Large Instances). You need to back up the SAP HANA database to Azure.

Solution: Back up directly to disk, copy the backups to an Azure virtual machine, and then copy the backup to an Azure Storage account.
Does this meet the goal?

  1. Yes
  2. No

Answer(s): B

Explanation:

Instead you should create a Recovery Services vault and a backup policy.


Reference:

https://docs.microsoft.com/en-us/azure/backup/sap-hana-db-about
https://docs.microsoft.com/en-us/azure/backup/backup-azure-sap-hana-database#configure-backup



Page 13 of 41



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