A system administrator wants toonboard switchesto agreenfield site.
In this scenario, whichthree actionswill accomplish this task?(Choose three.)
Correct Answer:BCD
Which two statements are correct about theEVPN-VXLAN control plane?(Choose two.)
Correct Answer:BC
You are asked to review a list of all events that have occurred on your switch. Which Mist AI dashboard feature will display this information?
Correct Answer:B
According to Juniper Mist documentation,Switch Insightsis the dedicated diagnostic and auditing feature within the Mist AI dashboard that provides a granular, chronological record of all events pertaining to a specific switch1. While Site Events or Site Alerts provide a broad overview of health and anomalies across an entire location, Switch Insights is specifically designed for device-level deep dives. When a user navigates to the Insights page for a particular switch, they are presented with a comprehensive timeline that correlates telemetry data with specific system occurrences.
This feature displays a detailed list ofSwitch Events, including but not limited to interface state transitions (Up/Down), Spanning Tree Protocol (STP) role changes, LLDP neighbor updates, and PoE controller status. Importantly, Switch Insights also tracks administrative actions, such as configuration commits and software upgrades, allowing an administrator to see exactly when a change was made and if that change coincided with a performance degradation in the Wired Service Level Expectations (SLEs).
Beyond simple logging, Switch Insights allows forretroactive troubleshooting. By adjusting the time slider, an administrator can go back in time to review the exact state of the switch during a reported issue2. For example, if a user reports a video conferencing issue that occurred three hours ago, the administrator can use Switch Insights to see if any port flaps, storm control events, or configuration changes took place during that specific window. This AI-driven visibility eliminates the need for manual syslog analysis or persistent CLI monitoring, providing a transparent and easily accessible audit trail for all switch-specific activity within the managed organization.
You are planning to deploy a new campus fabric. This campus will have a significant amount of east-west traffic. All access switches will only be operating at Layer 2. In this scenario, which architecture should you deploy?
Correct Answer:C
According to Juniper Networks' validated designs for campus fabrics, thecampus fabric core-distribution with edge-routed bridging (ERB)is the optimal architecture when high volumes of east-west traffic are present and access switches are restricted to Layer 2 operations. In an ERB design, the EVPN-VXLAN fabric extends from the core switches to the distribution switches.1 The critical differentiator is the placement of the default gateways (Integrated Routing and Bridging or IRB interfaces). In the ERB model, these gateways are moved from the core to thedistribution layer, which effectively acts as the "edge" of the EVPN fabric.
By placing the Layer 3 gateways at the distribution layer, inter-VLAN (east-west) traffic is routed closer to the endpoints.2 This prevents the "hairpinning" effect found in Centrally-Routed Bridging (CRB) architectures, where traffic must travel all the way to the core layer to be routed between subnets before returning down to the distribution and access layers. This reduction in latency and core-link utilization is essential for modern campus environments with high server-to-server or client-to-client traffic patterns.
Furthermore, this architecture specifically accommodatesLayer 2 access switches. In the ERB core-distribution model, the access switches are not part of the EVPN-VXLAN overlay; instead, they connect to the distribution tier using standard Link Aggregation Control Protocol (LACP) or ESI-LAG. This allows organizations to leverage existing legacy or lower-tier access switches that do not support advanced VXLAN capabilities while still benefiting from a robust, scalable EVPN-VXLAN fabric at the distribution and core layers.5 In contrast, while thecampus fabric IP Closalso excels at handling east-west traffic, it requires the access switches themselves to perform VXLAN encapsulation/decapsulation (acting as VTEPs), which contradicts the requirement for access switches to operate only at Layer 2.
What is the primary benefit of using switch configuration templates?
Correct Answer:D
Which statement is correct about the VXLAN data plane?
Correct Answer:C