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Cisco 300-445 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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.
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
  • 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.

Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q50-Q55):

NEW QUESTION # 50
Which Thousand Eyes test is specifically designed to assess the performance of voice communication?

Answer: A

Explanation:
The Voice test in Thousand Eyes is specifically designed to assess the performance of voice communication, identifying issues such as latency and jitter in network assurance.


NEW QUESTION # 51
The following exhibit shows the Capacity Planning results for a router interface connected to an ISP, which provides a 1Gbps connection. Based on the evidence, which action is most likely to fix the observed behavior?

Answer: C

Explanation:
In the context ofDesigning and Implementing Enterprise Network Assurance (300-445 ENNA), capacity planning requires accurate baselining of interface bandwidth against its theoretical and provisioned limits.
AnalyzingExhibit 4.5 Question 4(image_79d4fc.jpg) reveals a significant discrepancy between the physical reality of the link and its configuration within the monitoring tool.
The exhibit displays a capacity planning dashboard with a calendar heatmap and traffic graphs. The heatmap for February through May shows a high frequency of "Severe" (red) utilization blocks. Looking at theEgress graph forTue May 07 2024, the traffic spikes clearly exceed 40.0 Mbps. Crucially, the dashboard indicates an
"Egress Capacity" of49.5 Mbpsand reports that the "Highest consumption" was 48.0 Mbps, representing97% of the available bandwidth.
However, the question states that the ISP provides a1 Gbps (1000 Mbps) connection. Since the actual traffic being sent is less than 50 Mbps, the link is nowhere near physical saturation. The "Severe" alerts and high utilization percentages are occurring only because the monitoring software (likely ThousandEyes or a similar NMS) is configured with aMaximum Capacityof only 49.5 Mbps for this interface. This misconfiguration causes the tool to calculate utilization based on a much smaller "pipe" than what actually exists, leading to false-positive alerts.
Therefore, the most likely action to fix this observed behavior is toreconfigure maximum capacity for the interface(Option B) to match the 1 Gbps specification.
* Option Ais unnecessary because the current link is only being utilized at ~5% of its 1 Gbps potential.
* Option Cis a restrictive policy change that is not justified given the actual available headroom.
* Option Dmight shift how data is displayed but will not fix the underlying mathematical error in utilization calculations.


NEW QUESTION # 52
Which agent type is responsible for conducting synthetic user interactions with web applications?

Answer: A,E

Explanation:
Synthetic user agents and scripting agents are responsible for conducting synthetic user interactions with web applications in network assurance, facilitating performance monitoring and testing.


NEW QUESTION # 53
A network engineer deploys a ThousandEyes Docker agent on a switch using app-hosting.7 The agent needs to communicate through a proxy server, but this configuration was missed during the initial deployment. The engineer adds the proxy settings to the app-hosting configuration. What is the next step to ensure the agent uses the proxy and appears online in the ThousandEyes portal?

Answer: C

Explanation:
In theDesigning and Implementing Enterprise Network Assurance (300-445 ENNA)implementation guide, the Cisco IOS XEApplication Hostinglifecycle is a critical concept for troubleshooting and configuration management. When an application environment variable-such as proxy settings or account tokens-is modified in the app-hosting configuration, a simple restart of the container is insufficient to apply those changes.
The correct procedure involves moving the application back through its lifecycle states to ensure the new environment variables are injected. This requires executing the full agent lifecycle (Option C):Stop, Deactivate, Activate, and Start.
* Stop:Terminates the current running process of the container.
* Deactivate:Releases the allocated hardware resources (CPU, Memory) and, most importantly, clears the runtime environment.
* Activate:Re-allocates the resources andinjects the updated configuration parametersinto the container's environment variables.
* Start:Initiates the container with the newly applied configuration settings.
After the application is up and running, the ThousandEyes-agent process attempts to connect to the controller in the cloud environment. Without thedeactivate/activatesequence, the container continues to use the environment variables present at the time of its initial activation, causing the agent to remain offline as it fails to reach the ThousandEyes portal without the proxy.Reinstalling(Option B) would work but is an unnecessarily lengthy process, whileNo action(Option D) will result in no change to the agent's connectivity status.


NEW QUESTION # 54
Which alert rule configuration impacts the end-user experience by monitoring browser behavior?

Answer: C

Explanation:
User experience alert rules impact the end-user experience by monitoring browser behavior, ensuring optimal performance and usability of web applications.


NEW QUESTION # 55
......

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