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NEW QUESTION # 102 
An engineer is trying to configure a Page Load test and is trying to assign the east1-agent-1 to run it, but cannot see that agent listed. What is the reason that the designated agent does not appear?
Answer: D
Explanation:
In the framework of Designing and Implementing Enterprise Network Assurance (300-445 ENNA) , selecting the appropriate agent for specific test types is a critical configuration step. The ThousandEyes platform utilizes different agent binaries and capabilities depending on the underlying hardware and software environment. Specifically, Page Load tests and Transaction tests require the agent to have a browser engine (Chromium) installed and functional to render web content and measure DOM-related metrics.
According to the ENNA implementation guidelines, not all Enterprise Agents support these browser-based tests. The exhibit displays a " New Test " configuration screen where the engineer is searching for " east1- agent-1 " . While other agents like " west-2-ag-1 " are visible, the designated agent is missing because it does not support Page load tests (Option D). This common occurrence happens when an Enterprise Agent is deployed on resource-constrained hardware-such as certain Cisco Catalyst 9000 switches or Cisco ISR
4000 series routers -where the Chromium browser package is either not supported or has not been enabled due to memory and CPU limitations.
When an agent lacks the required capabilities for a specific test layer (e.g., Web layer tests), it is automatically filtered out from the selection list in the ThousandEyes portal to prevent invalid test configurations. To identify compatible agents, an engineer can look for the " Browser " or " Dual Chromium " labels in the agent settings. If the " east1-agent-1 " were merely offline (Option A), disabled (Option B), or still registering (Option C), it would typically still appear in the list but with a status indicator showing its unavailability, rather than being entirely hidden from the test assignment menu. Therefore, the absence of the agent in a web- layer test configuration explicitly indicates a lack of functional support for the required browser-based metrics.
NEW QUESTION # 103
In deploying endpoint agents on Room OS devices, what unique challenge must be considered?
Answer: D
NEW QUESTION # 104
In the IT operations dashboard, what is the alert trigger reason?
Answer: C
Explanation:
The IT Operations Dashboard includes a section at the beginning that explicitly displays active alert rules and their status. According to the dashboard configuration, the reason for the current alert trigger is Network packet loss. This indicates that the underlying network path for the application is experiencing packet drops exceeding the defined threshold, even if the application layer remains partially functional.
NEW QUESTION # 105
Refer to Exhibit:
A network engineer is deploying a Cisco ThousandEyes agent to monitor the network for a SaaS application without affecting the performance of the employee endpoints. Which ThousandEyes agent must be deployed to obtain the network metrics from branch A?
Answer: C
Explanation:
In the framework of Designing and Implementing Enterprise Network Assurance (300-445 ENNA) , selecting the appropriate ThousandEyes agent type is critical to balancing visibility requirements with infrastructure constraints. For Branch A, the primary objective is to gain network-layer metrics (such as latency, packet loss, and jitter) and path visualization for a SaaS application while strictly avoiding any performance impact on employee endpoints.
The Enterprise Agent (Option C) is the correct choice because it is designed for " inside-out " monitoring from within the corporate network environment. These agents are lightweight software probes that can be deployed on existing network infrastructure, such as Cisco Catalyst 9300/9400 switches or Catalyst 8000 Edge Platforms , using Docker containers or virtual machines. By hosting the agent on the branch router or a dedicated local server, the engineer can execute synthetic tests to the SaaS provider ' s destination. This approach provides the necessary network vantage point from Branch A without requiring any software installation or resource consumption on the individual employee workstations (endpoints).
Other agent types do not satisfy the specific constraints of this scenario:
* Endpoint Agents are installed directly on user devices (Windows/macOS) to provide " last-mile " visibility. However, they use the endpoint ' s CPU and memory, which contradicts the requirement to not affect endpoint performance.
* Cloud Agents are maintained by Cisco in global ISP data centers. While they provide " outside-in " visibility, they cannot capture internal branch network characteristics or the specific path from Branch A ' s internal local area network.
* Application Agent is a non-standard term and does not exist as a standalone agent type within the ThousandEyes architecture.
Therefore, deploying an Enterprise Agent within the branch infrastructure ensures that the network engineer obtains high-fidelity network metrics while keeping employee devices entirely unburdened.
Introduction to ThousandEyes
This video provides an essential overview of how ThousandEyes agents function within a CCNP-level enterprise network assurance strategy.
NEW QUESTION # 106
What type of agent is typically installed on Cisco SD-WAN devices as part of the ThousandEyes integration with vManage?
Answer: B
Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, the integration of ThousandEyes with the Cisco SD-WAN fabric is a cornerstone of modern wide- area network visibility. The primary agent type used in this native integration is the Enterprise Agent (Option C).
According to the ENNA implementation guidelines, ThousandEyes Enterprise Agents run as containerized applications directly on the Cisco IOS XE software stack (version 17.6.1 and later) of supported hardware, such as Cisco Catalyst 8000 Edge Platforms and ISR 4000 Series routers. This deployment is orchestrated centrally through Cisco Catalyst SD-WAN Manager (formerly vManage), which handles the lifecycle management, including downloading the Docker- based agent image from the Cisco software repository and pushing the initial configuration to the branch edge devices.
Once deployed, these Enterprise Agents function as internal vantage points that can measure performance across both the underlay transport and the SD-WAN overlay. By placing the agent on the router, engineers can execute synthetic tests to monitor mission-critical SaaS applications or data center services directly from the branch's perspective, avoiding the need for extra hardware probes at each site. This "agent-on-router" architecture significantly reduces both CapEx and OpEx while providing high-fidelity network intelligence into ISP peering, regional outages, and fabric health.
NEW QUESTION # 107
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