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  • Writer's pictureWilliam B

VCAP-NV Design 2020 Study Resources (3V0-41.19)

Updated: Dec 16, 2020

Yesterday, I took the VCAP-NV Design 2020 exam remotely from the comfort and safety of my own home. The exam is based on NSX-T 2.4, which is retiring soon on October 31st, 2020. There is a 3.0 version available at the moment which will be the one used in the future. Luckily I have had the chance to work exclusively with a VCF on VxRAIL implementation with vSAN stretched clusters and NSX-V & NSX-T. Being a part of the design process from the very start gave me insights into what is needed to successfully take a project from the business requirements, the RFP process all the way through to developing the high and low level design guides for the solution. I found that a few specific study resources helped me a lot during this process and I wanted to outline them here:


Essential Books:


VMware vSphere 6.7 Data Center Design Cookbook by Mike Brown & Hersey Cartwright


Essential White papers:


VMware Validated Design for NetApp HCI: https://www.netapp.com/us/media/nva-1128-design.pdf (This is not NSX-T related, but it is a very well written document with design decisions, logical design placement and networking examples)




Essential Blogs:



Read the NSX-T 2.5 Design Guide:



I used this great study guide courtesy of Frances Wong @frances_wong https://virtually2cents.com/nsx-t-2-4-study-guide-support/

2V0-41.19-StudyGuide-2
.pdf
Download PDF • 7.69MB

Other notable items:


With any NSX-T design, it is important to understand workload traffic patterns (i.e. east / west traffic flows) and dependancies and how NSX-T should be configured to suit these.


It is also important to understand N-VDS teaming policies and how these policies affect high availability and performance for the applicable traffic. NSX-T system component placement should also be considered.


Performance factors with NSX-T:

  • DPDK

  • Compute Node considerations

  • Edge VM Node considerations

  • Bare Metal Edge Performance Factors

  • NSX-T physical NIC considerations

  • NFV: Raw Packet Processing Performance



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