Free 5V0-42-21 sample questions

Correct answer: Create a policy for PoS traffic, set the Link Steering to 'Mandatory', and select both the Broadband and LTE links.

The most effective method is to create a Business Policy for the PoS application traffic and set the Link Steering to 'Mandatory' while selecting both available links. This activates Dynamic Multipath Optimization (DMPO) for that traffic class. DMPO will continuously monitor both links for latency, jitter, and loss, and it will steer the PoS traffic on a per-packet basis to the link that provides the best performance at any given moment, fulfilling the core requirement. Other methods do not guarantee routing based on real-time performance.

Correct answer: Enhanced HA

Enhanced High Availability (HA) is the only mode that provides stateful failover. In this mode, the active and standby Edges continuously synchronize flow and session information. This ensures that upon a failure of the active Edge, the standby Edge can take over immediately without dropping existing sessions, which is critical for stateful applications like firewalls and real-time traffic like VoIP.

Correct answer: Branch to Non-VMware SD-WAN Site

The 'Branch to Non-VMware SD-WAN Site' topology is specifically designed to build standard IPsec tunnels between a VMware SD-WAN Edge and a third-party device like a firewall or router that is not part of the VMware SD-WAN fabric. This allows for secure interoperability with legacy or partner networks.

Correct answer: The Edge's full activation URL from the activation email.

For Zero-Touch Provisioning (ZTP), the on-site contact simply needs to plug in the Edge and connect it to the internet. The engineer will then send an activation email containing a unique activation URL. The on-site contact clicks this link from a device on the local LAN, which directs the Edge to the correct Orchestrator to download its configuration and complete the activation. The URL is the key component that links the physical device to its cloud-managed configuration.

Correct answer: Creating separate Segments for guest and administrative traffic.

Segments are the superior feature for this requirement. They provide true logical, end-to-end network isolation with separate routing tables and firewall policies per segment. While VLANs provide Layer 2 separation at the branch, Segments extend this isolation across the entire WAN fabric, ensuring guest traffic can never reach the administrative network. A Business Policy can then be applied to the guest segment to enforce the direct internet breakout.

Correct answer: False

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.

Correct answers: Set Priority to 'Low'.; Enable Rate Limiting and define a maximum bandwidth.

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.

Correct answer: The design lacks redundancy at the hub, creating a single point of failure.

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.

Correct answer: VMware SD-WAN Orchestrator

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.

Correct answer: Certificate Enabled

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.