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Cisco 300-445 Exam Overview:

Certification Vendor:Cisco
Exam Name:Designing and Implementing Enterprise Network Assurance
Exam Number:300-445
Exam Format:Multiple-answer, Multiple-choice, Drag-and-drop, Fill-in-the-blank
Passing Score:750 (out of 1000)
Exam Price:$300 USD
Related Certifications:CCNP Enterprise
Cisco Certified Specialist - Enterprise Network Assurance
Certificate Validity Period:3 years
Real Exam Qty:55-65
Exam Duration:90 minutes
Available Languages:English
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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Cisco 300-445 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 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
  • 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 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.

Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q92-Q97):

NEW QUESTION # 92
You are investigating intermittent failures in a ThousandEyes transaction test targeting a web application that uses Basic Authentication. The failures occur randomly across different agents and times of day. What steps would you take to troubleshoot and resolve the issue? (Select all that apply)

Answer: A,B,D

Explanation:
Troubleshooting intermittent performance issues is a core component of the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum. When a transaction test using Basic Authentication fails randomly, the engineer must employ a multi-layered diagnostic approach to determine if the fault lies with the credentials, the network path, or the application server.
The first step is to verify the correctness of credentials (Option B). Because Basic Authentication encodes credentials in the header, any change in user permissions or account lockouts will trigger immediate failures. Performing manual logins from various geographical locations helps rule out location-based access control lists (ACLs) or regional IdP sync issues.
The most data-rich diagnostic step is to analyze the ThousandEyes waterfall charts and HTTP response codes (Option C). The waterfall view allows the engineer to see if the failure happens during the initial 401 Unauthorized challenge or after the credentials are sent. If the charts show high "Wait Time" or 5xx errors, the issue is likely server-side latency or instability. If the "Connect Time" is high, the problem may be network-layer congestion.
Finally, if the telemetry indicates that the network path is healthy but the server is intermittently returning errors or timing out, the engineer should contact the web application vendor (Option D).
Providing the vendor with the specific ThousandEyes "Share Link" allows them to see the exact same packet-level and browser-level data, proving that the issue is not with the client's network but with the server-side infrastructure. Disabling authentication (Option A) is not a valid troubleshooting step for a test designed specifically to monitor an authenticated workflow.


NEW QUESTION # 93
What aspect of network alerts should be validated during alert configuration testing?

Answer: C

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 # 94
Analyzing the IT operations dashboard, which agent has a better HTTP Connect Time?

Answer: A

Explanation:
In the IT Operations Dashboard, performance metrics are displayed per agent to facilitate granular troubleshooting. By reviewing the latest metrics table, the Mexico City Mexico (TelMex) agent displays a Connect time of 0.51 ms, which is significantly lower (and therefore "better") than the corresponding time for the San Jose CA agent. Connect time measures the duration for the TCP three-way handshake; a lower value indicates faster network-layer establishment.


NEW QUESTION # 95
What is a feature of Cisco ThousandEyes WAN Insights?

Answer: B


NEW QUESTION # 96
A network engineer deploys a ThousandEyes Docker agent on a switch using app-hosting. 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: A

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-is modified in the app-hosting configuration, a simple restart of the container is insufficient.
The correct procedure involves moving the application back to theConfiguredstate before bringing it back to Running. This requires a four-step lifecycle execution (Option C):
* Stop:Terminates the current running instance of the container.
* Deactivate:Releases the hardware resources (CPU, Memory, Virtual Interfaces) and, crucially, detaches the previous runtime configuration.
* Activate:Re-allocates the resources andinjects the new configuration parameters(including the updated proxy settings) into the container's environment.
* Start:Initiates the container with the newly applied configuration.
Without thedeactivate/activatesequence, the container will continue 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) is an unnecessary and time-consuming step that involves re- downloading or re-copying the image, whileNo action(Option D) will result in no change to the agent's connectivity status.


NEW QUESTION # 97
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