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Cisco 300-445 Exam Syllabus Topics:

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

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                                        Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q105-Q110):

                                        NEW QUESTION # 105
                                        Refer to the exhibit. A network engineer is deploying a Cisco ThousandEyes agent to monitor the network for a SaaS application without affecting the performance of the employee endpoints.
                                        Which ThousandEyes agent must be deployed to obtain the network metrics from branch A?

                                        Answer: D

                                        Explanation:
                                        To monitor SaaS application performance without loading employee endpoints, the correct choice is the Enterprise Agent, which runs on branch infrastructure (router, VM, or server). It collects network and application-layer metrics independently of user devices.


                                        NEW QUESTION # 106
                                        What is an important consideration when choosing a time period for collecting data to establish a baseline for interface utilization on a critical network link?

                                        Answer: A

                                        Explanation:
                                        Establishing an accurate baseline is a cornerstone of the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) methodology. A baseline must represent the "typical" behavior of the network across its standard operating cycle to be useful for anomaly detection and capacity planning. When monitoring interface utilization on a critical link, it is vital to capture both peak and off-peak traffic patterns (Option C).


                                        NEW QUESTION # 107
                                        Which network issue can be diagnosed using collected data related to real-time streaming?

                                        Answer: A

                                        Explanation:
                                        Packet loss is a network issue that can be diagnosed using collected data related to real-time streaming, enabling efficient troubleshooting and optimization in network assurance.


                                        NEW QUESTION # 108

                                        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: B

                                        Explanation:
                                        In the framework ofDesigning 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 testsandTransaction testsrequire 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 itdoes not support Page load tests(Option D). This common occurrence happens when an Enterprise Agent is deployed on resource-constrained hardware-such as certainCisco Catalyst 9000 switchesorCisco 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 # 109
                                        What type of alert rule configuration is used to monitor TCP protocol behavior in network assurance?

                                        Answer: A

                                        Explanation:
                                        Performance-based rules are used to monitor TCP protocol behavior in network assurance by setting thresholds for metrics such as round-trip time (RTT), retransmission rates, and TCP connection establishment times to detect anomalies and trigger alerts when performance deviations occur.


                                        NEW QUESTION # 110
                                        ......

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