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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 (Q60-Q65):

NEW QUESTION # 60
Considering the observed network behavior and the information in the exhibits, which action would be the most appropriate next step for the network administrator to take?

Answer: C

Explanation:
TheDesigning and Implementing Enterprise Network Assurance (300-445 ENNA)framework emphasizes that the goal of internet intelligence is to enable rapid and accurate escalation to the party responsible for a service degradation. Based on the evidence of a BGP Hijack identified in the previous question, the issue is occurring entirely within the public internet ecosystem.
The most appropriate next step is toreach out to the Internet Service Provider (ISP) to report the suspected BGP hijacking incident(Option B). Since the traffic is being misdirected by an external Autonomous System (AS 10297) before it reaches the intended destination (AS 16509), the fix must occur at the routing policy level of the major transit providers. The network administrator should provide the ISP with the ThousandEyes "Share Link" or screenshots showing the path change and the unauthorized AS announcement, as this data serves as proof to accelerate the ISP's mitigation efforts, such as implementing prefix filters or contacting the offending network.
Other options are ineffective for this specific scenario:
* Option A:The path visualization shows that traffic is successfully leaving the local network and reaching the public internet; the problem is many hops away from the internal routers.
* Option C:Blocking trafficfromAS 10297 does not solve the problem of your traffic beingattractedto it.
The hijack affects how the rest of the world (including your ISP) sees the route to your destination.
* Option D:DNS is not the issue; the agent successfully resolved the hostname to the correct IP, but the BGP layer misdirected the packets at the routing level.
By identifying the issue as an external routing event, the administrator avoids wasting internal resources and directly triggers the necessary external remediation.


NEW QUESTION # 61
Refer to the exhibit. An engineer receives a P1 incident from an office that is experiencing issues with Microsoft Teams. What is the root cause of the issue?

Answer: D


NEW QUESTION # 62
What are the benefits of implementing endpoint agent deployment at scale across the enterprise?

Answer: A,B,E

Explanation:
Implementing endpoint agent deployment at scale across the enterprise offers benefits such as enhanced security monitoring, improved network visibility, and centralized management, facilitating efficient network operations and troubleshooting.


NEW QUESTION # 63
Which RFC standardizes the concept of passive monitoring in network assurance?

Answer: B

Explanation:
RFC 7799 standardizes passive monitoring methodologies, providing guidelines for data collection without affecting network traffic.


NEW QUESTION # 64
You're analyzing NetFlow data for a network supporting voice and video traffic. The data shows consistent spikes in delay and jitter during peak hours. Which optimization would you recommend?

Answer: A

Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, capacity planning and optimization are driven by telemetry data such as NetFlow. When NetFlow identifies that delay and jitter--metrics highly impactful to real-time traffic--spike during peak hours, it indicates that high-priority packets are competing for resources with bulk data.
The most appropriate recommendation is to tune the existing QoS configuration (Option C). This involves adjusting the Queuing and Scheduling policies on the routers to ensure that voice and video traffic (typically marked with EF and AF41/AF42 DSCP values) is serviced before other traffic classes during periods of congestion. This solution is targeted, cost-effective, and directly addresses the observed jitter issues without the need for massive capital expenditure.


NEW QUESTION # 65
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