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  1. Home
  2. VMware Certification
  3. 3V0-42.20 Exam
  4. VMware.3V0-42.20.v2023-06-19.q47 Dumps
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Question 26

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.)

Correct Answer: A,D
N-VDS and VDS support the following modes: Standard: Provide forwarding capabilities on both KVM and ESX transport nodes and does not require a specialized hardware. Enhanced Datapath: Available for ESXi transport nodes only and provide Enhanced Network Stack (ENS) targeted for Network Functions Virtualization (NFV) applications that require a faster performance data path.
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Question 27

Which three choices are part of a Design Approach when discussing design alternatives and their effects? (Choose three.)

Correct Answer: C,E,F
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Question 28

An architect is helping an organization with the Physical Design of an NSX-T Data Center solution.
This information was gathered during a workshop:
The company will use a Leaf and Spine physical network architecture with Layer 3 gateways for top of rack switches.
The company is planning to deploy 120 ESX hosts across 10 racks.
There will be a total of a 12 clusters where each cluster has one host per rack.
What should the architect recommend to allow applications to run on any host in the cluster? (Choose the best answer.)

Correct Answer: D
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Question 29

An architect is helping an organization with the Logical Design of an NSX-T Data Center solution. During discussions about centralized services NAT running on Tier-1 or Tier-0 Gateway, the customer made these requests:
Services contain stateful services.
Services should be in high availability mode.
Which two selections should the architect include in their design? (Choose two.)

Correct Answer: C,E
Stateful services: Require HA mode configured as Active-Standby
Stateless services: Require HA mode configured as Active-Active
You can create different NAT rules:
* Source NAT (SNAT) translates the source IP of the outbound packets to a known public IP address so that the application can communicate with the outside world without using its private IP address. SNAT also tracks the reply.
* Destination NAT (DNAT) enables access to internal private IP addresses from the outside world by translating the destination IP address when inbound communication is initiated. DNAT also takes care of the reply. For both SNAT and DNAT, users can apply NAT rules based on the 5-tuple match criteria.
* Reflexive NAT rules are stateless access control lists (ACLs) that must be defined in both directions. These rules do not track the connection. Reflexive NAT rules are applied when stateful NAT cannot be used. For example, when a Tier-0 gateway is running in active-active equal-cost multipath (ECMP) mode, you cannot configure stateful NAT because asymmetrical paths might cause issues.
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Question 30

An architect is helping an organization with the Conceptual Design of an NSX-T Data Center solution. This information was gathered by the architect during the Discover Task of the Enagagement Lifecycle:
There are applications which use IPv6 addressing.
Network administrators are not familiar with NSX-T Data Center solutions.
Hosts can only be configured with two physical NICs.
There is an existing management cluster to deploy the NSX-T components.
Dynamic routing should be configured between the physical and virtual network.
There is a storage array available to deploy NSX-T components.
Which constraint was documented by the architect? (Choose the best answer.)

Correct Answer: D
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