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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing and Implementing Enterprise Network Assurance |
| Exam Number: | 300-445 |
| Related Certifications: | Cisco Certified Specialist - Enterprise Network Assurance CCNP Enterprise |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | 55-65 |
| Exam Price: | $300 USD |
| Available Languages: | English |
| Exam Format: | Fill-in-the-blank, Drag-and-drop, Multiple-choice, Multiple-answer |
| Certificate Validity Period: | 3 years |
| Passing Score: | 750 (out of 1000) |
| Sample Questions: | Cisco 300-445 Sample Questions |
| Exam Way: | Pearson VUE (Online or Test Center) |
| Pre Condition: | None |
| Official Syllabus URL: | https://learningnetwork.cisco.com/s/300-445-exam-topics |
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NEW QUESTION # 48 
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: C
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 # 49
The following exhibit shows the Capacity Planning results for a router interface connected to an ISP, which provides a 1Gbps connection. Based on the evidence, which action is most likely to fix the observed behavior?
Answer: C
Explanation:
In the context of Designing and Implementing Enterprise Network Assurance (300-445 ENNA) , capacity planning requires accurate baselining of interface bandwidth against its theoretical and provisioned limits.
Analyzing Exhibit 4.5 Question 4 (image_79d4fc.jpg) reveals a significant discrepancy between the physical reality of the link and its configuration within the monitoring tool.
The exhibit displays a capacity planning dashboard with a calendar heatmap and traffic graphs. The heatmap for February through May shows a high frequency of " Severe " (red) utilization blocks. Looking at the Egress graph for Tue May 07 2024 , the traffic spikes clearly exceed 40.0 Mbps. Crucially, the dashboard indicates an " Egress Capacity " of 49.5 Mbps and reports that the " Highest consumption " was 48.0 Mbps, representing 97% of the available bandwidth.
However, the question states that the ISP provides a 1 Gbps (1000 Mbps) connection . Since the actual traffic being sent is less than 50 Mbps, the link is nowhere near physical saturation. The " Severe " alerts and high utilization percentages are occurring only because the monitoring software (likely ThousandEyes or a similar NMS) is configured with a Maximum Capacity of only 49.5 Mbps for this interface. This misconfiguration causes the tool to calculate utilization based on a much smaller " pipe " than what actually exists, leading to false-positive alerts.
Therefore, the most likely action to fix this observed behavior is to reconfigure maximum capacity for the interface (Option B) to match the 1 Gbps specification.
* Option A is unnecessary because the current link is only being utilized at ~5% of its 1 Gbps potential.
* Option C is a restrictive policy change that is not justified given the actual available headroom.
* Option D might shift how data is displayed but will not fix the underlying mathematical error in utilization calculations.
NEW QUESTION # 50
What is a primary advantage of passive monitoring over active monitoring?
Answer: B
Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) architecture, a critical design consideration is the impact of the monitoring solution on the production environment. The primary advantage of passive monitoring (Option B) is its non-intrusive nature; it provides insights into network performance and traffic composition without injecting additional
"synthetic" overhead into the data plane.
Passive techniques--such as Cisco Meraki Insight (MI), NetFlow, and SNMP--rely on the telemetry generated by existing user traffic or the device's own control plane. For example, Meraki Insight analyzes HTTP/S flows as they naturally pass through a Meraki MX appliance to derive application performance scores, rather than sending separate probes. This ensures that the monitoring tool itself does not consume bandwidth or contribute to network congestion, which is particularly vital in bandwidth-constrained branch environments or on high-utilization links.
NEW QUESTION # 51
An engineer configures a Cisco ThousandEyes dashboard to monitor application performance across different content delivery networks for a website. Drag and drop the configuration options from the bottom onto the boxes in the dashboard widget configuration to monitor the average time from the beginning of the first loaded object to the end of the final loaded object for the website.
Answer:
Explanation:
Explanation:
Cloud and Enterprise Agents # Web - Page Load # DOM Load Time # Mean
NEW QUESTION # 52
What agent type is responsible for conducting synthetic user interactions with web applications?
Answer: A,B
Explanation:
Synthetic user agents and scripting agents are responsible for conducting synthetic user interactions with web applications in network assurance, facilitating performance monitoring and testing.
NEW QUESTION # 53
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