VNX100 Sample Questions & Answers

URL filtering is a security service. In the Versa template model, services that can be shared across multiple device types and groups are typically configured in Service Templates (specifically, a Next-Gen Firewall template in this case). This allows the policy to be defined once and then applied to any Device Template or Device Group that requires it, ensuring consistency and ease of management. Configuring it directly on each device or in a Device Template would be less scalable.

The primary purpose of Virtual Routers (VRs) in VOS is to create logically isolated routing and forwarding instances within a single physical appliance. This is analogous to VRFs in traditional networking. It allows for the clean separation of different network segments, such as the trusted LAN side (e.g., LAN-VR) from the untrusted WAN transport side (e.g., WAN-VR). This segmentation is fundamental to Versa's security and multi-tenancy architecture, ensuring that routing decisions and policies for one zone do not improperly influence another.

The first step is to ensure that the system is correctly identifying the VoIP traffic. If the application definition is wrong, no subsequent policies will be applied correctly.

VoIP traffic must be classified and marked with a high-priority forwarding class (e.g., Expedited Forwarding) so it can be treated appropriately by other policies.

This policy dictates which WAN path should be used based on application or forwarding class. It should be configured to steer the VoIP forwarding class to the link that meets strict latency and jitter requirements, which is typically the MPLS link.

Adaptive monitoring is a feature that optimizes the SD-WAN fabric by reducing control plane overhead. It works by temporarily stopping the transmission of SLA probes over paths to remote sites with which there has been no data traffic for a configured inactivity interval. When data traffic destined for that remote site resumes, the SLA probes are automatically restarted to ensure path quality is measured before forwarding.

The core difference lies in how local or out-of-band configurations on the device are handled. 'Auto-Merge' intelligently combines the configuration from the template stack (Device, Service, Common) with the current running configuration on the CPE, preserving any settings that do not conflict with the template. 'Overwrite' is a more destructive option that completely replaces the CPE's running configuration with the configuration derived purely from the template stack, discarding any local modifications.

The Versa Controller is the brain of the SD-WAN control plane. It is responsible for establishing secure control connections with all CPEs in an organization, managing routing information (typically acting as a BGP route reflector), and distributing policies. When setting up an Organization, you must assign one or more Controllers to it to manage its control plane.

Versa Networks bundles its security signatures (for IPS, AV, Application ID, URL filtering, etc.) into a file called a Security Package (SPack). The management, scheduling, and distribution of these SPacks to the CPE appliances are handled centrally from the Versa Director management platform.

This solution correctly addresses all of GLI's requirements. The hub-and-spoke model is efficient for the primary branch-to-DC traffic flow. The split traffic steering strategy correctly implements DIA for trusted SaaS applications while backhauling other internet traffic for security inspection. The mention of QoS confirms that application prioritization is handled. This design is scalable and meets the specified security and performance goals.

Versa Director is the management plane component used for configuration, provisioning, and real-time monitoring. Versa Analytics is the visibility and reporting platform that ingests, stores, and analyzes historical log data from all CPEs and controllers, providing deep insights, dashboards, and long-term reporting capabilities.

This statement is true. A core feature of the Versa platform is multi-tenancy. Versa Director uses a construct called 'Organizations' to create logically separate management domains. This allows a Managed Service Provider (MSP) or a large enterprise to use a single Director instance to manage the SD-WAN deployments of multiple distinct customers or business units, each with its own set of devices, policies, and users.