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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
  • 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 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 (Q54-Q59):

NEW QUESTION # 54
Drag and Drop Question
An engineer is deploying a multitest template for end users. Requirements include establishing a single TCP session from the Cisco ThousandEyes Endpoint Agent to the target, testing secure authentication, and TCP path trace. Drag and drop the options from the bottom onto the boxes in the test configuration template.

Answer:

Explanation:

Explanation:
A SaaS Scheduled HTTP Server test provides the single TCP session from the ThousandEyes Endpoint Agent to the target application; pairing it with a SaaS Scheduled Network test adds corresponding network measurements.
Setting the Protocol to "Prefer SACK" (SSL) ensures the session is established using HTTPS.
"Prefer TCP (ICMP) Fallback" uses TCP as the probing method, which enables TCP-based path trace to the target.
Using NTLM as the HTTP authentication scheme verifies secure user authentication against the target application.


NEW QUESTION # 55
What is the primary objective of integrating Cisco technologies such as Thousand Eyes and Meraki?

Answer: C

Explanation:
The primary objective of integrating Cisco technologies is to facilitate seamless data exchange and analysis, enhancing network assurance capabilities.


NEW QUESTION # 56
Which optimization recommendations for network capacity planning are based on data interpretation in network assurance?

Answer: B,C,D

Explanation:
Optimization recommendations for network capacity planning based on data interpretation may include topology changes, configuration changes, and Quality of Service (QoS) adjustments to ensure optimal network performance and resource utilization.


NEW QUESTION # 57
Exhibit:

An engineer works to optimize a website by reducing the page-load time to below 500 ms. The engineer set up a Cisco ThousandEyes page-load test to baseline the current website performance. Which action should be recommended to reduce page-load time?

Answer: B

Explanation:
In the context of Designing and Implementing Enterprise Network Assurance (300-445 ENNA) , analyzing page-load metrics within Cisco ThousandEyes requires identifying the primary bottlenecks that contribute to the Total Page Load Time . The provided screenshot displays a " Page Breakdown " of 7 resources totaling 953 kB. A critical observation of the pie chart reveals that Images (the teal-colored segment) constitute the vast majority of the page ' s payload and resource count.
When the goal is to reduce the page-load time from 1023 ms to below 500 ms , the engineer must target the heaviest components. Lazy loading is a design pattern that defers the initialization of non-critical resources at page load time. Instead of loading all images simultaneously when the user first navigates to the URL, lazy loading ensures that images are only downloaded as they are about to enter the viewport. This significantly reduces the initial DOM load time and the total Page Load Time because the browser does not have to wait for large image files to be fully retrieved before declaring the page " loaded. " Alternative options are less effective in this specific scenario based on the data:
* AJAX (XHR/Fetch): The chart shows that XHR and Fetch resources represent a negligible sliver of the total weight; optimizing them would yield minimal gains.
* Moving IMG elements: While moving scripts to the bottom can help with rendering, moving image elements to the bottom of the body does not stop the browser from initiating the download requests immediately, thus failing to significantly reduce the total load time.
* CDN for Fonts: The " Font " category is also a small fraction of the total 953 kB. While a CDN is a best practice for latency, it does not address the primary " weight " issue caused by the images.
Therefore, implementing lazy loading (Option C) is the most impactful recommendation. It directly addresses the largest resource consumer (Images) identified in the ThousandEyes Page Breakdown, allowing the engineer to reach the sub-500 ms performance target.


NEW QUESTION # 58
Which two devices support the Cisco ThousandEyes RoomOS native Endpoint Agent deployment? (Choose two.)

Answer: C,E

Explanation:
RoomOS-based Webex devices (such as Desk Mini and Board Pro) natively support the Cisco ThousandEyes Endpoint Agent.
Legacy TelePresence endpoints like DX80, SX20, and MX800 do not run RoomOS and therefore cannot host the native ThousandEyes agent.


NEW QUESTION # 59
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