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Cisco 300-445 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 2
  • 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 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 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.

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Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q20-Q25):

NEW QUESTION # 20
Refer to the exhibit.

A network engineer is tasked with configuring an alert that will trigger if the HTTP server responds with a server error. What alert conditions should be configured to meet the specified requirements?

Answer: A

Explanation:
56
In theDesigning and Implement7ing Enterpr8ise Network Assurance (300-445 ENNA)framework, configuring effective alert rules is critical for distinguishing between standard network noise and actionable application-layer failures. ForWeb - HTTP Servertests, ThousandEyes allows engineers to monitor both network-level metrics (like Connect time) and application-level indicators (like HTTP response codes).
The requirement is to trigger an alert specifically when the HTTP server responds with aserver error. In the HTTP protocol, server errors are categorized as the5XXseries of status codes (e.g., 500 Internal Server Error,
503 Service Unavailable, 504 Gateway Timeout). To meet this requirement, the engineer must configure a location alert condition where theMetricis set toResponse Codeand the condition value isserver error(5XX) (Option D).
Reviewing the other options:
* Error type is any (Option A):While this would capture server errors, it would also trigger for 4XX client errors (like 404 Not Found) and network-layer timeouts, making it too broad for a specific "server error" requirement.
* Wait Time is Dynamic (Option B):This monitors the time-to-first-byte using statistical baselining.
While high wait times oftenprecede5XX errors, this condition only alerts on latency, not on the actual error code itself.
* Response Time (Option C):Similar to wait time, this monitors performance speed rather than the logical success or failure of the server's response.
By specifically selectingResponse Code: server error(5XX), the engineer ensures that the operations team is only notified when the application backend is experiencing a functional failure, rather than just a slow response or a client-side misconfiguration.


NEW QUESTION # 21
Refer to 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: A

Explanation:
In the framework ofDesigning and Implementing Enterprise Network Assurance (300-445 ENNA), selecting the appropriate ThousandEyes agent type is critical to balancing visibility requirements with infrastructure constraints. For Branch A, the primary objective is to gain network-layer metrics (such as latency, packet loss, and jitter) and path visualization for a SaaS application while strictly avoiding any performance impact on employee endpoints.
TheEnterprise Agent(Option C) is the correct choice because it is designed for "inside-out" monitoring from within the corporate network environment. These agents are lightweight software probes that can be deployed on existing network infrastructure, such asCisco Catalyst 9300/9400 switchesorCatalyst 8000 Edge Platforms, using Docker containers or virtual machines. By hosting the agent on the branch router or a dedicated local server, the engineer can execute synthetic tests to the SaaS provider's destination. This approach provides the necessary network vantage point from Branch A without requiring any software installation or resource consumption on the individual employee workstations (endpoints).
Other agent types do not satisfy the specific constraints of this scenario:
* Endpoint Agentsare installed directly on user devices (Windows/macOS) to provide "last-mile" visibility. However, they use the endpoint's CPU and memory, which contradicts the requirement to not affect endpoint performance.
* Cloud Agentsare maintained by Cisco in global ISP data centers. While they provide "outside-in" visibility, they cannot capture internal branch network characteristics or the specific path from Branch A's internal local area network.
* Application Agentis a non-standard term and does not exist as a standalone agent type within the ThousandEyes architecture.
Therefore, deploying anEnterprise Agentwithin the branch infrastructure ensures that the network engineer obtains high-fidelity network metrics while keeping employee devices entirely unburdened.
Introduction to ThousandEyes
This video provides an essential overview of how ThousandEyes agents function within a CCNP-level enterprise network assurance strategy.


NEW QUESTION # 22
Which action must be taken first in the Connect ThousandEyes task when integrating Cisco Meraki dashboard and Cisco ThousandEyes?

Answer: D


NEW QUESTION # 23
Which authentication method is commonly used when testing web applications for performance and security?

Answer: B

Explanation:
OAuth is commonly used when testing web applications for performance and security, providing secure and standardized authentication mechanisms for user access.


NEW QUESTION # 24
Which security issue affecting network performance can be identified by analyzing BGP routing data?

Answer: C

Explanation:
BGP hijacking is a security issue affecting network performance that can be identified by analyzing BGP (Border Gateway Protocol) routing data. BGP hijacking occurs when an unauthorized party announces IP address prefixes that they do not own, diverting traffic intended for those addresses to unauthorized destinations, leading to network congestion and performance degradation.


NEW QUESTION # 25
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