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An architect is helping an organization with the Physical Design of an NSX-T Data Center solution.
This information was gathered during a workshop:
Migrating existing data center to KVM hosts.
Redundancy and high availability are required.
No component can be a single point of failure.
Which selection should the architect recommend? (Choose the best answer.)
Which selection must be taken into consideration when creating a Logical Design for a planned migration? (Choose the best answer.)
An NSX-T architect is working with a customer who wants to improve performance and future-proof their workloads with a multi-site architecture.
A current-state analysis captured this information:
Latency between sites is 160ms.
Bandwidth is 2Gbps.
The MTU is 1600.
What two VMware design recommendations should the architect recommend to the organization to achieve future-proofing? (Choose two.)
As per VMware documentation: https://docs.vmware.com/en/VMware-NSX-T-Data-Center/3.0/administration/GUID-5D7E3D43-6497-4273-99C1-77613C36AD75.html
Requirements for Multisite Deployments
The bandwidth must be at least 1 Gbps and the latency (RTT) must be less than 150 ms.
MTU must be at least 1600. 9000 is recommended.
Requirements for Multisite Deployments
Inter-site Communication
- The bandwidth must be at least 1 Gbps and the latency (RTT) must be less than 150 ms.
- MTU must be at least 1600. 9000 is recommended.
NSX Manager Configuration
- Automatic backup when NSX-T Data Center configuration changes must be enabled.
- NSX Manager must be set up to use FQDN.
Data Plane Recovery
- The same internet provider must be used if public IP addresses are exposed through services such as NAT or load balancer.
- The HA mode for the tier-0 gateway must be active-standby, and the failover mode must be preemptive.
Cloud Management System
- The cloud management system (CMS) must support an NSX-T Data Center plug-in. In this release, VMware Integrated OpenStack (VIO) and vRealize Automation (vRA) satisfy this requirement.
Which three IPv6 features are supported in an NSX-T Data Center design? (Choose three.)
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.)
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.
