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Cisco 300-445 Exam Overview:

Certification Vendor:Cisco
Exam Name:Designing and Implementing Enterprise Network Assurance
Exam Number:300-445
Certificate Validity Period:3 years
Related Certifications:CCNP Enterprise
Cisco Certified Specialist - Enterprise Network Assurance
Exam Price:$300 USD
Passing Score:750 (out of 1000)
Exam Format:Multiple-choice, Drag-and-drop, Fill-in-the-blank, Multiple-answer
Real Exam Qty:55-65
Available Languages:English
Exam Duration:90 minutes
Sample Questions:Cisco 300-445 Sample Questions
Exam Way:Pearson VUE (Online or Test Center)
Pre Condition:None
Official Syllabus URL:https://learningnetwork.cisco.com/s/300-445-exam-topics

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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.

Cisco Designing and Implementing Enterprise Network Assurance Sample Questions (Q102-Q107):

NEW QUESTION # 102
An engineer configures an alert rule to trigger when an interface on a network switch goes down or when the amount of incoming traffic exceeds half the interface link speed. Drag and drop the options from the bottom onto the boxes in the alert rule configuration screen. Not all options are used.

Answer:

Explanation:


NEW QUESTION # 103
What is a feature of Cisco ThousandEyes WAN Insights?

Answer: C


NEW QUESTION # 104
Which RFC defines the concept of passive monitoring in network assurance?

Answer: D

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


NEW QUESTION # 105
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: D

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 # 106
Which type of test are we using for these dashboards (Executive and IT Operations)?

Answer: C

Explanation:
According to the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) data analysis guidelines, identifying the underlying test type is the first step in interpreting a dashboard. By observing the metrics displayed across both the Executive and IT Operations dashboards, we can definitively identify the test type as Page Load (Option B).
A Page Load test is a Web-layer test that uses a browser engine (Chromium) to fully render a page and collect advanced metrics beyond simple availability. Evidence for this test type in the dashboards includes:
Page Completion Time: Displayed on the Executive dashboard map, this metric is specific to how much of the page successfully rendered.
DOM Load Time: Found in the IT Operations dashboard, the Document Object Model (DOM) time is a browser-centric metric that measures when the page structure has finished loading.
Waterfall Charts: While not a specific answer option, these are the foundation of Page Load tests, allowing for the timing of individual web components.


NEW QUESTION # 107
......

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