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A large multinational company is expanding its data center due to increased demand for online services.
The company is considering shifting from an NSX Edge VM design to a bare-metal NSX Edge design to accommodate new hardware acquisitions and maximize performance.
Which is a potential benefit for the company in shifting from an NSX Edge VM design to a bare-metal NSX Edge design?
Performance Benefits of Bare-Metal NSX Edge (Correct Answer - A):
Bare-metal NSX Edge Nodes provide higher performance by eliminating the virtualization overhead associated with Edge VMs running inside ESXi/KVM hosts.
This increases throughput and reduces latency, making it ideal for high-bandwidth applications (e.g., Load Balancing, VPN, and NAT).
Incorrect Options:
(B - More VLANs):
The number of VLANs is not limited by the NSX Edge type. VLAN scalability depends on physical network design.
(C - Automatic Stateful Service Distribution):
Stateful services (NAT, FW, LB, VPN) do not auto-distribute. Stateful HA must be manually configured.
(D - Eliminates Stateful Services):
Stateful services (e.g., NAT, Load Balancer, Firewall) are still required, regardless of Edge deployment mode.
VMware NSX 4.x Reference:
VMware NSX-T Bare-Metal Edge Deployment Guide
NSX-T Edge Node Performance Optimization
Which of the following would be an example of an assumption that a solutions architect needs to consider in the design of an NSX solution?
1. Understanding Assumptions in NSX Design
Assumptions are conditions that are expected to be true but have not been verified.
A good NSX design requires assumptions to be validated before deployment to avoid unexpected issues.
2. Why 'Customer Assumes NSX Will Integrate with Existing Infrastructure' is Correct (A)
Integration with existing infrastructure (e.g., physical networks, firewalls, cloud providers) must be validated.
Assuming compatibility without testing can cause deployment failures or feature limitations.
Common integration challenges include: VLAN scalability, MTU size mismatch, or unsupported physical networking hardware.
3. Why Other Options are Incorrect
(B - Requirement for Multi-Hypervisor Support):
This is a defined requirement, not an assumption.
(C - Scalability Needs):
This is a business requirement, not an assumption.
(D - Limited Resources):
This is a constraint that affects the deployment, not an assumption.
4. NSX Design Considerations for Infrastructure Integration
Perform a thorough assessment of existing hardware and network compatibility.
Validate the interoperability of NSX with third-party services (firewalls, storage, monitoring tools).
Plan for phased integration testing to reduce risks.
VMware NSX 4.x Reference:
NSX-T Interoperability and Integration Guide
VMware Validated Design (VVD) for NSX Integration
What is a design justification for a solution with 3 NSX Manager nodes deployed in a 4 ESXi cluster Management Cluster?
3 NSX Manager Nodes for HA & Redundancy (Correct Answer - B):
NSX requires 3 Manager nodes for high availability (HA) and Control Plane redundancy.
If a single NSX Manager node fails, the other nodes continue to operate, preventing single points of failure.
Incorrect Options:
(A - Run All Nodes on One Host):
This contradicts best practices, as NSX Manager nodes should be distributed across multiple hosts.
(C - Reducing Control Plane to a Single Point of Failure):
The 3-node setup prevents this, ensuring failover capability.
(D - Separating NSX Controllers from Managers):
In NSX-T 3.x/4.x, NSX Controllers are part of the Manager cluster, so there are no separate NSX Controllers.
VMware NSX 4.x Reference:
NSX-T High Availability and Disaster Recovery Guide
NSX-T Control Plane and Management Plane Redundancy Best Practices
A Solutions Architect is helping an organization with the Physical Design of an NSX solution.
This information was gathered during the Assessment Phase:
There is a critical application used by the Finance Team.
The critical application has an availability and recoverability SLA of 99.999%.
The critical application is sensitive to network changes.
Which two selections should an architect include in their design? (Choose two.)
1. Ensuring High Availability for Critical Applications
For a 99.999% SLA, the NSX solution must ensure high availability (HA), redundancy, and failover mechanisms.
BGP with ECMP (Equal-Cost Multi-Path) enables multiple active paths for traffic forwarding, improving resiliency.
BFD (Bidirectional Forwarding Detection) ensures sub-second failure detection, minimizing downtime.
2. Why 'BGP with ECMP and BFD' is Correct (A, B)
(A - Configure Tier-0 for eBGP and ECMP)
ECMP allows multiple Tier-0 edges to be active, improving fault tolerance.
BGP dynamically advertises routes, ensuring efficient path selection.
(B - Enable BFD on Tier-0 Gateway)
BFD allows rapid failure detection (sub-second convergence) between NSX Edges and upstream routers.
Reduces packet loss and optimizes failover for North-South traffic.
3. Why Other Options are Incorrect
(C - Install Hosts with 100Gbps NICs):
While high-speed NICs improve performance, they do not ensure application availability.
(D - Configure Multiple Static Routes on Tier-1):
Static routes do not provide dynamic failover, making them unsuitable for high-availability designs.
(E - Configure eBGP on Tier-1):
BGP is typically used on Tier-0 for external routing, not Tier-1.
4. NSX Best Practices for High-Availability Applications
Use Active-Active Tier-0 Gateways with ECMP for redundancy.
Ensure BFD is enabled to provide real-time failure detection.
Implement distributed load balancing and failover testing.
VMware NSX 4.x Reference:
NSX-T BGP and ECMP Deployment Guide
NSX High Availability Design Best Practices
A global logistics company is planning to expand its operations to multiple locations across continents. Their existing on-premises network is unable to scale to meet the demands of the growing number of sites and the increasing volume of East-West traffic within their data center. The company has chosen VMware NSX as their preferred network virtualization platform, aiming to simplify network management and improve intra-data center routing.
Which of the following would be part of the optimal recommended design?
Tier-1 Gateways for East-West Traffic (Correct Answer - C):
East-West traffic refers to communication within the data center (e.g., between workloads).
Tier-1 Gateways are optimized for East-West routing, ensuring efficient intra-data center traffic handling.
This minimizes unnecessary traffic to external routers, reducing latency and improving performance.
Incorrect Options:
(A - Centralized Service Ports for East-West Routing):
Centralized Service Ports (CSPs) are used for stateful services, not for general East-West routing.
(B - Aria Operations for Networks for North-South Routing):
Aria Operations for Networks (formerly vRealize Network Insight) is a monitoring and analytics tool, not a routing solution.
(D - Tier-0 for East-West Routing):
Tier-0 Gateways handle North-South routing (external connectivity), not East-West traffic.
VMware NSX 4.x Reference:
NSX-T Data Center Routing Design Guide
NSX-T Multi-Tier Gateway Architecture Best Practices
