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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 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
  • 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 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 (Q106-Q111):

NEW QUESTION # 106
An engineer works for a restaurant chain that runs the Cisco ThousandEyes Enterprise Agent on Meraki MX devices. The engineer must set up monitoring for a web application that requires users to authenticate with the Basic authentication scheme. Which action must the engineer take to configure the monitoring for this application?

Answer: B

Explanation:
Basic authentication is handled at the HTTP protocol level, not inside a browser or interactive form.
ThousandEyes HTTP Server tests directly support Basic Auth by allowing credentials to be passed in the request header.
Transaction and Page Load tests require browser interaction, but Basic Auth does not-it is purely an HTTP header exchange.


NEW QUESTION # 107
Which strategy is most effective for a scalable, secure, and minimally disruptive deployment of ThousandEyes Endpoint Agents to Windows users?

Answer: B

Explanation:
According to the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) best practices, the goal of a successful endpoint assurance rollout is to maximize coverage while minimizing the burden on both IT staff and end-users. The most effective strategy for achieving this is to use a centralized software deployment tool (e.g., GPOs, Intune) that supports silent installation (Option B).
Centralized deployment tools allow administrators to push the ThousandEyes Endpoint Agent to thousands of machines simultaneously from a single management console. By using silent installation parameters (such as /quiet or /qn for MSI packages), the agent is installed in the background without requiring any user interaction or even showing a setup wizard. This
"minimally disruptive" approach ensures that business operations are not interrupted.
Furthermore, centralized tools provide a "secure" deployment method because the IT team retains control over the version of the agent being installed and can ensure that the Account Group Token is correctly embedded, which is necessary for the agent to register with the ThousandEyes dashboard.


NEW QUESTION # 108
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 # 109
A network engineer is investigating widespread reports of poor performance for a data center-hosted web application. Which ThousandEyes agent type would be most effective for quickly identifying the root cause?

Answer: D

Explanation:
According to the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) guidelines, troubleshooting widespread performance issues for a public or data center-hosted app 17 lication requires an " outside-in " perspective. When reports are widespread, 18 the goal is to determine if the issue is global, regional, or specific to certain ISP paths leading to the data center.
The Cloud Agent (Option D) is the most effective tool for this task because these agents are maintained by Cisco ThousandEyes in over 240+ locations worldwide within Tier 1, 2, and 3 ISPs and cloud provider regions. 19 Because they are pre-deployed and immediately available , a network engineer can instantly run tests from multiple global locations toward the data center-hosted application without having to install any software or manage any infrastructure. This allows the engineer to quickly compare performance metrics (latency, loss, and page load times) across different geographies. If Cloud Agents in London report no issues while those in New York report high packet loss, the engineer can immediately pinpoint the root cause as a regional ISP or peering issue rather than a failure within the data center itself.
* Enterprise Agent (Option B): While these could be used if they were already installed in various branch offices, they require ownership of the infrastructure and deployment time. They are better suited for " inside-out " monitoring.
* Endpoint Agent (Option C): These are useful for troubleshooting individual user experience but are not the " quickest " way to baseline global performance against a data center application during a widespread event.
* Synthetic Agent (Option A): As noted previously, this is a generic term describing the underlying technology used by all ThousandEyes agent types.
Therefore, Cloud Agents provide the necessary breadth and immediate availability to perform rapid root cause analysis for widespread application performance issues.


NEW QUESTION # 110
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: B

Explanation:
In the context of Designing and Implementing Enterprise Network Assurance (300-445 ENNA) , capacity planning requires accurate baselining of interface bandwidth against its theoretical and provisioned limits.
Analyzing Exhibit 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 the Egress graph for Tue May 07 2024 , the traffic spikes clearly exceed 40.0 Mbps. Crucially, the dashboard indicates an " Egress Capacity " of 49.5 Mbps and reports that the " Highest consumption " was 48.0 Mbps, representing 97% of the available bandwidth.
However, the question states that the ISP provides a 1 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 a Maximum Capacity of 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 to reconfigure maximum capacity for the interface (Option B) to match the 1 Gbps specification.
* Option A is unnecessary because the current link is only being utilized at ~5% of its 1 Gbps potential.
* Option C is a restrictive policy change that is not justified given the actual available headroom.
* Option D might shift how data is displayed but will not fix the underlying mathematical error in utilization calculations.


NEW QUESTION # 111
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