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Cisco 300-445 Exam Syllabus Topics:

SectionWeightObjectives
Insights and Alerts25%- Define and manage alerts
  • 1. Threshold-based and anomaly-based alerting
    • 2. Notification and escalation rules
      - Generate and interpret insights
      • 1. Network trend analysis and capacity planning
        • 2. Reporting and dashboard customization
          Data Collection Implementation25%- Configure and manage data collection
          • 1. Telemetry configuration and tuning
            • 2. NetFlow/IPFIX setup and monitoring
              • 3. Syslog and SNMP polling configuration
                - Onboarding and discovery
                • 1. Device discovery and inventory management
                  • 2. Assurance enablement and credential setup
                    Data Analysis and Troubleshooting30%- Troubleshoot common issues
                    • 1. Connectivity, configuration, and performance problems
                      • 2. Wireless and SD-WAN assurance workflows
                        - Network health and performance analysis
                        • 1. Monitor availability, latency, packet loss, and jitter
                          • 2. Path trace and topology visualization
                            • 3. Correlate events and identify root causes
                              Platforms and Architecture20%- Cisco network assurance solutions architecture
                              • 1. Data flow and processing pipeline
                                • 2. Cisco DNA Center components and functions
                                  • 3. Assurance agent deployment and operation
                                    - Supported platforms and protocols
                                    • 1. Routing, switching, wireless, and SD-WAN devices
                                      • 2. Telemetry, SNMP, NetFlow, syslog, and IP SLA

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                                        Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q76-Q81):

                                        NEW QUESTION # 76
                                        Which two devices support the Cisco ThousandEyes RoomOS native Endpoint Agent deployment? (Choose two.)

                                        Answer: C,E


                                        NEW QUESTION # 77
                                        Refer to the exhibit. An engineer must troubleshoot an application performance issue using Cisco AppDynamics. Which issue occurred in the application connectivity?

                                        Answer: C

                                        Explanation:
                                        The chart tooltip shows the exact metrics for the selected timestamp (November 14 at 11:41 AM).
                                        It displays a connection time of 9 ms. This directly identifies the connectivity-related metric observed during troubleshooting.


                                        NEW QUESTION # 78
                                        Review the exhibits. Based on the evidence, which action is most likely to solve the issue?

                                        Answer: D


                                        NEW QUESTION # 79
                                        What type of endpoint agent test will gather browser activity?

                                        Answer: B

                                        Explanation:
                                        The Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum identifies Real User Tests (RUM) as the primary method for capturing actual browser-based interactions. While synthetic tests provide proactive baselines, Real user tests (Option C) provide visibility into the "lived experience" of an employee as they navigate corporate websites and SaaS platforms.
                                        Real user tests utilize a lightweight browser extension (available for Chrome, Edge, and Safari) that is part of the Endpoint Agent deployment. When a user visits a domain defined in a
                                        "Monitored Domain Set," the extension automatically begins recording performance metrics. This includes the time spent on each page, DNS resolution time, and a full browser waterfall of every object (images, scripts, CSS) loaded during the session. Crucially, it calculates an "Experience Score" for each session, allowing IT teams to identify if a user's frustration is caused by slow page rendering or underlying network issues.


                                        NEW QUESTION # 80
                                        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: A

                                        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 # 81
                                        ......

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