5V0-42-21 Sample Questions & Answers

This statement is false. The Deep Application Recognition (DAR) engine runs on the VMware SD-WAN Edge, not the Controller. The Edge performs deep packet inspection locally at the branch to identify and classify applications, enabling business policies to be applied directly at the source.

Setting the Priority to 'Low' ensures that this traffic will be queued behind High and Normal priority traffic during periods of congestion.

Enabling Rate Limiting provides a hard cap on the amount of bandwidth this traffic can consume, effectively de-prioritizing it by preventing it from saturating the link.

The most significant flaw is the lack of redundancy at the hub site. A single hub Edge creates a massive single point of failure; if that Edge fails, all 50 factory branches will lose connectivity to the data center. A resilient design would require a High Availability (HA) pair of Edges at the hub.

The VMware SD-WAN Orchestrator is the centralized management plane for the entire SD-WAN solution. This includes the deployment, configuration, monitoring, and lifecycle management of all components, including Partner Gateways deployed on-premises on hypervisors like KVM.

The 'Certificate Enabled' mode enforces mandatory certificate-based authentication for all Edges. When this mode is active, an Edge will not be able to connect to the SD-WAN fabric unless it presents a valid certificate signed by a trusted Certificate Authority configured in the Orchestrator. This meets the strict security requirement.

This proposal correctly addresses all requirements: 1) Hub-and-spoke is appropriate for the traffic patterns. 2) Segments provide the necessary end-to-end isolation for guest traffic. 3) Enhanced HA provides the required stateful failover for the hospitals and DC. 4) A Business Policy with 'Mandatory' link steering for EHR traffic will enable DMPO for sub-second failover and performance-based routing.

The 'Enterprise Auditor' role is specifically designed for this purpose. It grants comprehensive read-only access across the entire enterprise, allowing a user to view all configurations, events, and monitoring data without having any permissions to modify the system. This is ideal for compliance and auditing tasks.

In VMware SD-WAN, routes learned via Cloud VPN (specifically, subnets advertised by other branches) take precedence over Business Policy rules for direct internet breakout. If the destination IP address for the Microsoft 365 traffic matches a more specific route in the routing table that points to a VPN tunnel, the traffic will be routed over the VPN, ignoring the internet breakout policy. This is a common and subtle troubleshooting scenario.

The SD-WAN Controller is the 'brain' of the control plane. While the Edges collect real-time link quality data (jitter, latency, loss) and enforce policies, it is the Controller that receives this information, calculates the best paths for traffic based on the business policies, and programs the forwarding tables on the Edges. The Edge then executes the forwarding decision made by the Controller.

The primary function of a VMware SD-WAN Gateway is to serve as a distributed, scalable entry point to the SD-WAN fabric from the internet. They act as optimized on-ramps to cloud applications (IaaS/SaaS) and provide a reliable handoff point for traffic destined for the cloud, ensuring better performance than standard internet paths.