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Cisco 300-445 Exam Syllabus Topics:

TopicDetails
Topic 1
  • 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 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
  • 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
  • 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.

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Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q24-Q29):

NEW QUESTION # 24
What is a primary advantage of passive monitoring over active monitoring?

Answer: D

Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) architecture, a critical design consideration is the impact of the monitoring solution on the production environment. The primary advantage of passive monitoring (Option B) is its non-intrusive nature; it provides insights into network performance and traffic composition without injecting additional
"synthetic" overhead into the data plane.
Passive techniques--such as Cisco Meraki Insight (MI), NetFlow, and SNMP--rely on the telemetry generated by existing user traffic or the device's own control plane. For example, Meraki Insight analyzes HTTP/S flows as they naturally pass through a Meraki MX appliance to derive application performance scores, rather than sending separate probes. This ensures that the monitoring tool itself does not consume bandwidth or contribute to network congestion, which is particularly vital in bandwidth-constrained branch environments or on high-utilization links.


NEW QUESTION # 25
In network monitoring, what does RFC 7799 primarily focus on?

Answer: D

Explanation:
RFC 7799 primarily focuses on network security, providing guidelines and best practices for secure network monitoring implementations.


NEW QUESTION # 26
Which network condition is commonly monitored using alert rules related to internet insights?

Answer: B

Explanation:
Global network latency is commonly monitored using alert rules related to internet insights to assess the performance and reliability of internet connections and identify potential network issues.


NEW QUESTION # 27
Which of the following metrics can be used to configure an alert rule for Endpoint Agent HTTP Server tests?
(Choose two)

Answer: B,C

Explanation:
In the ThousandEyes platform, alert rules are the primary mechanism for notifying operations teams when performance thresholds are breached. When configuring alerts forEndpoint Agent HTTP Server tests, the available metrics are limited to those that the Endpoint Agent captures during its synthetic browser-based or network-layer probes.
The two correct metrics for this test type areResponse Time(Option A) andError Type(Option C).
* Response Time:This metric measures the time-to-first-byte. It is essential for detecting degradations in web application performance as seen from the user's specific machine.
* Error Type:This allows administrators to trigger alerts based on specific HTTP response codes or protocol errors (e.g., DNS failures or SSL handshake issues).
Other options are incorrect because they apply to different agent types or monitoring layers:
* BGP Reachability (Option B):BGP metrics are not applicable to Endpoint Agent tests. These metrics require the BGP route visualization layer, which is typically associated with Cloud or Enterprise Agents monitoring public internet paths.
* Interface Throughput (Option D):This is an infrastructure-level metric rather than a synthetic application metric. While ThousandEyes can monitor device health via SNMP, it is not a metric used in a synthetic HTTP Server test.
By utilizing Response Time and Error Type, an architect can ensure that the operations team is alerted as soon as users experience slow loading or actual failures when accessing critical internal or SaaS-based web applications.


NEW QUESTION # 28
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 # 29
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