Free Cisco 300-445 Practice Exam with Questions & Answers | Set: 4

In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) framework, managing a large-scale deployment of Endpoint Agents requires efficient categorization through Agent Labels . Agent labels are used to group agents for targeted test assignment and data filtering based on specific attributes like location, OS, or naming conventions.

ThousandEyes supports the use of wildcards (specifically the * symbol) within label filters to allow for dynamic and scalable grouping. In this scenario, the organization has adopted a naming convention of agentname-network. To capture all agents connected to the " corporate " network regardless of the unique agentname prefix, the engineer should use the filter *-corporate (Option A) in the hostname or agent name field. The asterisk functions as a placeholder for any string of characters, ensuring that any agent ending with " -corporate " is automatically added to the label as soon as it registers with the ThousandEyes platform.

Other options are incorrect for the following reasons:

agentname-* (Option B): This would only match agents that literally start with the string " agentname- " , which is a placeholder and not a representative filter for a group of uniquely named agents.

agent*corporate (Option C): This filter is overly broad and lacks the specific hyphen delimiter used in the organization ' s naming convention, potentially leading to the inclusion of unintended agents.

No wildcard (Option D): Wildcards are a documented and essential feature of the ThousandEyes label system to facilitate automated management in enterprise environments.

By implementing wildcard-based labels, the network administrator ensures that new agents are seamlessly integrated into the assurance strategy without the need for manual manual intervention.

According to the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, the integration between ThousandEyes and Webex Control Hub provides a streamlined troubleshooting experience for collaboration services. For the VoIP team to access the specific ThousandEyes network telemetry—such as latency, loss, and jitter—they must navigate to the Network Path (Option B) section within the Troubleshooting tab of the Control Hub. 15

The Network Path visualization is a direct result of the ThousandEyes Endpoint Agent data being pulled into the Webex interface. 16 When a user or RoomOS device experiences poor audio or video quality during a meeting, the Control Hub ' s troubleshooting view displays a " Network Path " line under the participant ' s details. 17 By clicking on this line, the VoIP team can see a hop-by-hop breakdown of the entire route from the collaboration device to the Webex media node. This view highlights specific hops where performance is " Poor " (red), " Fair " (yellow), or " Good " (green) based on predefined thresholds for latency ( > 400ms) or loss ( > 5%).

While " Devices " (Option A) is where the agents are activated, and " Users " (Option C) allows for selecting a specific participant, the actual telemetry metrics and the visualization of the network route are strictly located in the Network Path view. This integration eliminates the need for the VoIP team to leave the Webex environment for initial triage, as they can identify if a problem is local to the branch office or deep within a service provider ' s network directly from the " Network Path " dashboard.