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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing and Implementing Enterprise Network Assurance |
| Exam Number: | 300-445 ENNA |
| Exam Duration: | 90 minutes |
| Exam Price: | $300 USD |
| Related Certifications: | CCNP Enterprise Cisco Certified Specialist โ Enterprise Network Assurance |
| Real Exam Qty: | 55-65 |
| Available Languages: | English |
| Passing Score: | Pass/Fail (no fixed score published) |
| Certificate Validity Period: | 3 years |
| Exam Format: | Fill-in-the-blank, Simulation, Drag-and-drop, Multiple choice |
| Recommended Training: | Cisco U. Learning Path Designing and Implementing Enterprise Network Assurance (ENNA) Training |
| Exam Registration: | Pearson VUE Registration |
| Sample Questions: | Cisco 300-445 Sample Questions |
| Exam Way: | Online proctored or onsite at Pearson VUE test centers |
| Pre Condition: | No mandatory prerequisites; recommended knowledge: CCNP Enterprise level, experience with Cisco DNA Center, network monitoring, and assurance tools; core exam 350-401 ENCOR required for full CCNP Enterprise |
| Official Syllabus URL: | https://www.cisco.com/site/us/en/learn/training-certifications/exams/enna.html |
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NEW QUESTION # 41
Refer to the exhibit. Where is the loss that is causing poor user performance?
Answer: A
Explanation:
The path visualization highlights over 95% forwarding loss at the 192.168.1.1 node, which is the user's default gateway.
All upstream nodes show no loss, confirming the performance issue originates at the gateway.
NEW QUESTION # 42
What limitations should be considered when implementing synthetic web tests for network assurance?
Answer: A,C,D
Explanation:
Limitations of synthetic web tests for network assurance include the lack of real user behavior replication, limited scalability for large networks, and sensitivity to browser and device differences, impacting the accuracy of test results.
NEW QUESTION # 43
To monitor communication and measure network performance from branch offices in San Francisco and Texas to the data center in North Virginia, which combination of test type and target is the most appropriate?
Answer: A
Explanation:
According to theDesigning and Implementing Enterprise Network Assurance (300-445 ENNA) architecture, monitoring site-to-site connectivity between managed locations requires vantage points at both ends of the connection. In this scenario, the organization needs to measure performance between branch offices (San Francisco and Texas) and a central data center (North Virginia).
The most appropriate combination is usingEnterprise Agentswith theAgent-to-agent test type(Option C).
Enterprise Agents are software probes deployed on infrastructure owned or controlled by the organization, such as switches or routers in the branch offices and servers in the data center. Unlike Agent-to-server tests, which only provide one-way metrics and approximate path data, anAgent-to-agent testprovides bi-directional network metrics. This includes detailed throughput, packet loss, latency, and jitter measurements in both directions, which is critical for identifying asymmetric routing or link saturation that might affect application performance.
Alternative options are less suitable for this specific internal monitoring requirement:
* Cloud Agents (Options A and B):These are located in global ISP data centers and cannot be placed inside the organization's private data center or branch LAN to measure internal path characteristics.
* HTTP/DNS Server tests (Options B, D, and E):These target specific services but do not provide the granular, bi-directional network-layer performance data (like throughput or path visualization) that an Agent-to-agent test delivers.
* Agent-to-server (Option E):While useful for reaching a target that cannot host an agent, it loses the benefit of the destination agent's ability to measure the "return" path independently.
By deploying Enterprise Agents at each site and configuring Agent-to-agent tests, the engineer gains the highest level of visibility into the health of the private WAN or SD-WAN fabric connecting the branches to the data center.
NEW QUESTION # 44
Which alert rule configuration impacts the end-user experience by monitoring browser behavior?
Answer: D
Explanation:
User experience alert rules impact the end-user experience by monitoring browser behavior, ensuring optimal performance and usability of web applications.
NEW QUESTION # 45
Which type of test are we using for these dashboards (Executive and IT Operations)?
Answer: C
Explanation:
According to the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) data analysis guidelines, identifying the underlying test type is the first step in interpreting a dashboard. By observing the metrics displayed across both the Executive and IT Operations dashboards, we can definitively identify the test type as Page Load (Option B).
A Page Load test is a Web-layer test that uses a browser engine (Chromium) to fully render a page and collect advanced metrics beyond simple availability. Evidence for this test type in the dashboards includes:
Page Completion Time: Displayed on the Executive dashboard map, this metric is specific to how much of the page successfully rendered.
DOM Load Time: Found in the IT Operations dashboard, the Document Object Model (DOM) time is a browser-centric metric that measures when the page structure has finished loading.
Waterfall Charts: While not a specific answer option, these are the foundation of Page Load tests, allowing for the timing of individual web components.
NEW QUESTION # 46
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