Exam AZ-120 topic 5 question 6 discussion

Actual exam question from Microsoft's AZ-120

Question #: 6
Topic #: 5

This question requires that you evaluate the underlined text to determine if it is correct.
When deploying SAP HANA to an Azure virtual machine, you can enable Write Accelerator to reduce the latency between the SAP application servers and the database layer.
Instructions: Review the underlined text. If it makes the statement correct, select `No change is needed`. If the statement is incorrect, select the answer choice that makes the statement correct.

A. No change is needed
B. install the Mellanox driver
C. start the NIPING service
D. enable Accelerated Networking

Show Suggested Answer

Suggested Answer: D 🗳️
To further reduce network latency between Azure VMs, we [Microsoft] 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:
A: Write Accelerator is a disk capability for M-Series Virtual Machines (VMs) on Premium Storage with Azure Managed Disks exclusively. As the name states, the purpose of the functionality is to improve the I/O latency of writes against Azure Premium Storage.
B: Mellanox offers a robust and full set of protocol software and driver for Linux with the ConnectX EN family cards. Designed to provide a high performance support for Enhanced Ethernet with fabric consolidation over TCP/IP based LAN applications. The driver and software in conjunction with the Industry's leading
ConnectX family of cards achieve full line rate, full duplex of up to 100Gbps performance per port.
C: To analyze network issue or measure network metrics you can test the connection using SAP's NIPING program. You can use NIPING to analyze the network connection between any two machines running SAP software.
Reference:
https://docs.microsoft.com/en-us/azure/virtual-machines/workloads/sap/dbms_guide_general

by Sourabh1703 at June 25, 2020, 9:30 p.m.

Comments

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Sourabh1703

Highly Voted 1 year, 11 months ago

instead of Write Accelerator, it will be Accelerated Networking

upvoted 9 times

d0bermannn

8 months, 1 week ago

maybe not 'instead ' but 'with' ?)

upvoted 1 times

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GiuseppeF

Highly Voted 1 year, 11 months ago

The statement reported is wrong because Write Accelerator has no impact on latency between DB and SAP AS. To reduce the latency Accelerated Networking must be enabled (D)

upvoted 5 times

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Bhagirathi

Most Recent 1 year, 5 months ago

D to go for.

upvoted 4 times

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