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| Certification Vendor: | Cisco |
|---|---|
| Exam Name: | Designing and Implementing Enterprise Network Assurance (ENAUTO) |
| Exam Number: | 300-445 |
| Related Certifications: | Cisco Certified Specialist - Enterprise Network Assurance CCNP Enterprise |
| Exam Price: | USD 300 (may vary by region) |
| Exam Duration: | 90 minutes |
| Real Exam Qty: | Approximately 55–65 questions |
| Available Languages: | English, Japanese, Simplified Chinese |
| Passing Score: | Cisco does not publish an official passing score; typically a scaled score around 750/1000 is required |
| Exam Format: | Simulation-based questions, Multiple choice, Multiple response, Drag and drop |
| Certificate Validity Period: | 3 years |
| Recommended Training: | Cisco Enterprise Network Assurance Training Cisco DNA Center and Assurance Learning Resources |
| Exam Registration: | Pearson VUE Cisco Exams Cisco Certification Exam Registration |
| Sample Questions: | Cisco 300-445 Sample Questions |
| Exam Way: | Online proctored or testing center (Pearson VUE) |
| Pre Condition: | No formal prerequisite, but Cisco recommends CCNA-level knowledge and experience with enterprise networking and monitoring tools |
| Official Syllabus URL: | https://www.cisco.com/c/en/us/training-events/training-certifications/exams.html |
>> 300-445 Übungsmaterialien <<
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62. Frage
In the IT operations dashboard, while comparing the latest metrics, what is the time difference between Page Load time and DOM time?
Antwort: A
Begründung:
Detailed Explanation:
This analysis requires extracting two specific browser-rendering metrics from the IT Operations Dashboard.
By placing the cursor over the latest metrics data points:
* Page Load time:1479.6 ms.
* DOM load time: 1354.3 ms.
By subtracting the DOM time from the Page Load time ($1479.6\text{ ms} - 1354.3\text{ ms} = 125.3\text{ ms}$), the engineer identifies the duration spent rendering the page after the initial document structure was established.
63. Frage
You are tasked with creating a ThousandEyes transaction test to monitor the login process of a web application that uses SAML-based SSO with MFA. The MFA step involves a one-time password (OTP) generated by a mobile app. How can you configure the ThousandEyes test to successfully navigate this login process?
Antwort: C
Begründung:
In theDesigning and Implementing Enterprise Network Assurance (300-445 ENNA)framework, a common architectural hurdle is monitoring applications protected by Multi-Factor Authentication (MFA).
ThousandEyes transaction tests utilize automated browser sessions to simulate user behavior, but they face inherent limitations when interacting with "out-of-band" security mechanisms.
Specifically, ThousandEyes agents cannot natively interact with external hardware tokens, biometric prompts, or mobile-app-based OTP generators (Option A). Since an OTP is dynamic and time-sensitive, manually entering it into a static test configuration (Option B) is impossible for an automated, recurring test. While some complex workhooks (Option C) might theoretically interface with a virtual MFA service, this introduces significant security risks and architectural complexity that is generally discouraged in a standard assurance design.
The verified and most practical approach is toexclude the MFA step from the transaction test and focus only on the SAML login(Option D). For monitoring purposes, IT teams often create a "synthetic user" account within the Identity Provider (IdP) that is specifically exempted from MFA policies when originating from known ThousandEyes Enterprise Agent IP addresses. This allows the transaction script to validate the availability and performance of the SAML-based SSO redirect, the credential challenge, and the final application landing page. This strategy ensures that the network and application health can be baselined without the test being blocked by a security gate it was never intended to pass.
64. Frage
Refer to the exhibits.
The endpoint has the following IP credentials:
192.168.100.9/24, DNS: 8.8.8.8, 8.8.4.4, GW: 192.168.100.1
Based on the views presented in the exhibits, what led to the error occurring on Sun, May 5 23:27 GMT +2?
Antwort: C
65. Frage
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?
Antwort: A
Begründung:
In the context ofDesigning and Implementing Enterprise Network Assurance (300-445 ENNA), analyzing page-load metrics within Cisco ThousandEyes requires identifying the primary bottlenecks that contribute to theTotal Page Load Time. The provided screenshot displays a "Page Breakdown" of 7 resources totaling 953 kB. A critical observation of the pie chart reveals thatImages(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 from1023 msto below500 ms, the engineer must target the heaviest components.Lazy loadingis a design pattern that defers the initialization of non-critical resources at page load time. Instead of loading all images simultaneously when the userfirst 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, implementinglazy 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.
66. Frage
Refer to the exhibit. A customer-facing URL was down due to DNS failure, but no alert was triggered from the Cisco ThousandEyes dashboard. Which action ensures the alert functions?
Antwort: C
Begründung:
A DNS failure does not trigger conditions based on HTTP response time, response code, or connect time. To detect DNS-related outages, ThousandEyes requires a DNS-specific alert condition, such as DNS Time or DNS error. Adding this condition ensures alerts fire when DNS resolution fails.
67. Frage
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