3V0-42.20 Architect Practice Questions
The free 3V0-42.20: Advanced Design VMware NSX-T Data Center questions that deal with architect, with answers and explanations. The full bank and the timed practice test cover every topic the exam asks about.
Question #3
An architect is helping an organization with the Conceptual Design of an NSX-T Data Center solution. Which risk is documented by an architect? (Choose the best answer.)
Correct answer: B
Explanation
Lack of NSX-T skills alongside strong vSphere experience is an unproven factor that could jeopardize the project, so it is documented as a risk. The remaining statements are requirements or existing documentation.
Question #4
An NSX-T Architect is working in a brownfield environment with 4 ESXi hosts. These constraints were documented: new servers cannot be purchased North/South bandwidth must be guaranteed Top-of-Rack switches have additional uplinks Which three recommendations should the architect implement? (Choose three.)
Select 3 answers.
Correct answer: A, C, D
Explanation
Freeing a host for a bare metal Edge guarantees North/South bandwidth without buying servers, extra physical NICs on the remaining hosts provide the uplinks, and a resource pool with reservations isolates the Edge nodes' resources.
Question #5
An architect is designing a solution for containerization. The solution will include high availability and security using NSX-T Data Center. The architect plans to provide a basic required components list in the Logical Design. Which solution should the architect recommend? (Choose the best answer.)
Correct answer: A
Explanation
Availability and security for the container platform need three NSX Managers, three Edge transport nodes, a Tier-0 gateway deployed active/standby across them, and BGP to advertise routes to the physical network.
Question #7
An architect is helping an organization with the Logical Design of an NSX-T Data Center solution. This information was gathered during the Assessment Phase: Maximum performance and availability is required between the physical and virtual network. Load Balancing service is required for back-end web servers. NAT is required. Which selection should the architect include in their design? (Choose the best answer.)
Correct answer: A
Explanation
Tier-1 gateways are where load balancing and NAT are configured in NSX-T, and attaching one to an Active/Active Tier-0 with ECMP delivers maximum performance and availability between the physical and virtual network. A Tier-0 alone provides no Tier-1 services.
Question #8
An architect is helping an organization with the Logical Design of an NSX-T Data Center solution. This information was gathered during the Assessment Phase: There is a performance based SLA for East ?C West traffic. The business critical applications require prioritization of their traffic. One of the services is a file share and has a high demand for bandwidth. Which selection should the architect include in their design? (Choose the best answer.)
Correct answer: B
Explanation
A segment QoS profile lets the design prioritize business critical East-West flows and contain the bandwidth hungry file share. The other options are assessment activities rather than design selections.
Question #9
An architect is helping an organization with the Logical Design of an NSX-T Data Center solution. This information was gathered during the Assessment Phase: There isn't much budget available for a new off shore site. The new site is decentralized and no communication with the main data center is required. The design will need to cater for availability, upgrades, and failure scenarios. N+1 must be maintained at all times. Which three selections should the architect recommend in their design? (Choose three.)
Select 3 answers.
Correct answer: B, C, F
Explanation
With tight budget, three hosts give N+1 availability with the fewest ESXi licences, so collapsing Management/Edge/Compute into one cluster is cost effective. Putting all pNICs into a single N-VDS and migrating VMkernel interfaces is the recommended NSX-T design.
Question #10
An architect is helping an organization with the Physical Design of an NSX-T Data Center solution. This information was gathered during a workshop: Any proposed solution must provide low latency. Any proposed solution must provide high throughput. Customer is running stock trading applications. Which two selections should the architect recommend to meet high-performance workload requirements? (Choose two.)
Select 2 answers.
Correct answer: A, D
Explanation
ESXi hosts with enhanced data path mode on the N-VDS provide the fast path forwarding that high throughput and low latency stock trading workloads require. KVM, LACP and latency sensitivity settings do not deliver that fast path.
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