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Cisco 300-445 Exam Syllabus Topics:

TopicDetails
Topic 1
  • Data Collection Implementation: This domain focuses on deploying enterprise and endpoint agents across infrastructure and end-user devices. It covers configuring network, DNS, voice, web, and endpoint tests using ThousandEyes and Meraki Insights, along with implementing synthetic web tests and authentication methods.
Topic 2
  • Data Analysis: This domain encompasses diagnosing network issues like packet loss, congestion, routing, and jitter, plus end-device problems. It includes analyzing web application performance and identifying security threats such as DDoS attacks, DNS hijacking, and BGP hijacking.
Topic 3
  • Platforms and Architecture: This domain covers understanding monitoring agent types and placement, active versus passive monitoring, and ThousandEyes WAN Insights. It addresses Cisco platform integrations, metric baselines, and selecting appropriate integration methods and assurance platforms based on business requirements.
Topic 4
  • Insights and Alerts: This domain addresses configuring alert rules based on network conditions and end-user experience factors. It covers selecting metrics for stakeholders, validating alerts, and recommending network optimization for capacity planning.

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Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q61-Q66):

NEW QUESTION # 61
Which security issue affecting network performance can be identified using collected data in network assurance?

Answer: B

Explanation:
DDoS attacks are a security issue affecting network performance that can be identified using collected data in network assurance, enabling proactive threat mitigation.


NEW QUESTION # 62
What type of data does ThousandEyes use to diagnose when integrated with Cisco Secure Client?

Answer: D

Explanation:
Under the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) guidelines, the integration between ThousandEyes and Cisco Secure Client (formerly AnyConnect) is designed to provide visibility into the hybrid workforce experience. The integration primarily leverages network performance data from the user ' s device (Option C) to diagnose connectivity and application issues.
This data is collected by the ThousandEyes Endpoint Agent , which is deployed as a module within the Cisco Secure Client. 10 The agent captures real-time telemetry from the user ' s laptop or workstation, including Wi-Fi signal strength , CPU and memory utilization , and local network gateway latency .
Specifically, for remote users, it monitors the health of the VPN tunnel and the performance of applications as seen from the end-user ' s vantage point.
When a user reports a " slow application, " this integrated telemetry allows IT teams to determine if the root cause is the user ' s home Wi-Fi, a saturated VPN concentrator, or an issue within the ISP underlay. The agent performs Automated Session Testing (AST) , which maps the network path as soon as a user joins a critical meeting or accesses a SaaS tool, providing a granular view of every hop between the device and the service destination. Unlike hardware configuration data (Option A) or behavioral analytics (Option B), the focus here is strictly on the network performance metrics that impact digital experience.
Therefore, the collection of device-centric network performance data is the core function of the Cisco Secure Client and ThousandEyes integration.


NEW QUESTION # 63
A CPU utilization alert for Endpoint Agents is triggering too frequently, creating alert noise. Which of the following steps would help reduce the sensitivity of the alert rule? (Select two)

Answer: A,C

Explanation:
Alert fatigue is a major operational challenge in network assurance. To make a CPU utilization alert for Endpoint Agents less sensitive and reduce "noise," an engineer must implement statistical filters that ignore transient spikes or isolated events.
The two most effective methods are:
* Increase the agent count (Option A):By requiring a higher number or percentage of agents to simultaneously exceed the threshold, the system ensures the alert represents a widespread environmental issue rather than a single user running a CPU-intensive background process.
* Require more rounds of data (Option C):Instead of alerting on a single measurement (1 of 1 round), the engineer can configure the rule to require the threshold to be breached for multiple consecutive checks (e.g., 2 of 3 rounds). This filters out brief, non-impactful CPU spikes that occur naturally during OS updates or browser startups.
Other options would have the opposite effect:
* Option B:Lowering the percentage threshold (e.g., from 90% to 50%) would cause the alert to trigger much more frequently, increasing noise.
* Option D:Enabling the alert on more agents increases the pool of potential triggers, which typically leads to more notifications unless the logic in Option A is also applied.


NEW QUESTION # 64
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: D

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 to change 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 using Radio Resource Management (RRM) often automate this, but a manual adjustment based on SNMP telemetry is a valid operational fix.


NEW QUESTION # 65
Drag and Drop Question
An engineer configures an alert rule to trigger when an interface on a network switch goes down or when the amount of incoming traffic exceeds half the interface link speed. Drag and drop the options from the bottom onto the boxes in the alert rule configuration screen. Not all options are used.

Answer:

Explanation:

Explanation:
Throughput (inbound) is the correct metric to measure traffic exceeding half of the interface capacity, and Operational Status = Offline is the correct trigger for detecting an interface down event.


NEW QUESTION # 66
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