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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing and Implementing Enterprise Network Assurance |
| Exam Number: | 300-445 |
| Exam Duration: | 90 minutes |
| Passing Score: | 750 (out of 1000) |
| Available Languages: | English |
| Exam Price: | $300 USD |
| Exam Format: | Fill-in-the-blank, Drag-and-drop, Multiple-answer, Multiple-choice |
| Related Certifications: | Cisco Certified Specialist - Enterprise Network Assurance CCNP Enterprise |
| Real Exam Qty: | 55-65 |
| Certificate Validity Period: | 3 years |
| 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 # 114
Which Cisco technology facilitates endpoint agent deployment through Secure Client?
Answer: B
Explanation:
Meraki facilitates endpoint agent deployment through Secure Client, ensuring secure and efficient deployment across the enterprise network.
NEW QUESTION # 115
What aspect of network alerts should be validated during alert configuration testing?
Answer: D
Explanation:
The accuracy of network alerts should be validated during alert configuration testing to ensure that alert notifications are triggered correctly based on predefined conditions and thresholds.
NEW QUESTION # 116
SNMP data indicates that a wireless access point is experiencing high channel utilization and increased retransmissions. What optimization would you recommend to improve voice call quality for users on this access point?
Answer: C
Explanation:
In wireless network assurance, high channel utilization and increased retransmissions are clear indicators of RF interference or over-subscription. Retransmissions are particularly damaging to voice call quality because they introduce significant jitter and late-arrival packet loss that the jitter buffer cannot overcome.
The recommended optimization is tochange the access point to a different, less congested channel(Option B). This directly reduces the competition for airtime (Channel Utilization) and the likelihood of collisions from neighboring access points (Co-Channel Interference), which in turn lowers the retransmission rate.
Modern wireless controllers usingRadio Resource Management (RRM)often automate this, but a manual adjustment based on SNMP telemetry is a valid operational fix.
Other options are technically flawed:
* Option A:Increasing transmit power oftenincreasesinterference and channel utilization for surrounding cells, making the problem worse for everyone.
* Option C:Disabling all non-voice traffic is an extreme measure that is rarely feasible in a real business environment.
* Option D:Admission control limits thenumberof users but doesn't solve the underlying issue of poor channel health for those already connected.
NEW QUESTION # 117
Which type of test are we using for these dashboards (Executive and IT Operations)?
Answer: C
Explanation:
According to theDesigning 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 asPage 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.
SimpleHTTP Servertests (Option A) only measure availability and response codes, missing the rendering metrics seen here.Agent to server(Option C) is a network-layer test that provides path visualization but no browser-level data.FTP(Option D) is a protocol-specific test not used for web application monitoring.
Therefore, the presence of DOM and Page Completion metrics confirms thePage Loadtest type.
NEW QUESTION # 118
What is a primary advantage of passive monitoring over active monitoring?
Answer: C
Explanation:
In theDesigning 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 ofpassive 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 asCisco 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.5This 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.
In contrast,active monitoring(Options A and C) requires the deliberate generation of synthetic traffic, which can potentially skew results if the volume is too high or if the network is already at capacity. While active monitoring is essential for proactive troubleshooting (measuring performance before users complain), passive monitoring is the preferred method for long-term historical analysis of real user experience and infrastructure utilization because it captures what is actually happening on the wire. Option D is a shared capability; both types can measure specific services, but only passive monitoring does so while remaining transparent to the network load. Therefore, the lack of added traffic is the definitive advantage of the passive approach.
NEW QUESTION # 119
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