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NEW QUESTION # 30
An engineer needs to create a test to execute a user ' s workflow where the user has to log in to OneDrive and download a file. The test has to implement a retry mechanism. The engineer has limited scripting experience.
What are the actions that the engineer needs to take?
Answer: D
Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, transaction monitoring is essential for validating complex, multi-step user workflows. When an engineer with limited scripting experience needs to monitor a OneDrive file download process, the ThousandEyes ecosystem provides several tools to simplify the creation of robust Transaction tests .
The correct approach is to leverage all available resources, making Option D the definitive answer. First, the ThousandEyes Recorder IDE (Option B) is a critical tool for non-scripters. It allows an engineer to perform the actual workflow-navigating to OneDrive, logging in, and initiating the download-in a browser environment on their local machine while the tool records every click and keyboard entry. The Recorder automatically generates the corresponding JavaScript code using the ThousandEyes transaction library .
Second, the platform provides pre-built script templates (Option A), such as those for Office 365 and OneDrive , which include baseline logic and best practices for these specific services. Third, the official transaction-scripting-examples repository on GitHub (Option C) is a maintained source of code snippets.
This is particularly useful for implementing advanced logic, such as a retry mechanism , which ensures that the test does not report a " failure " due to a transient network hiccup but instead attempts the action again before triggering an alert.
As shown in the provided exhibit, a typical script uses import statements from @thousandeyes and selenium- webdriver to control the browser. By combining the Recorder for the basic flow, a Template for service- specific nuances, and Sample Scripts for logic enhancements like retries, the engineer can deploy a highly reliable assurance test without deep coding expertise. Therefore, all three actions are highly recommended and valid within the ENNA implementation framework.
NEW QUESTION # 31
Which protocols are commonly used for passive monitoring in network assurance?
Answer: B,D,E
Explanation:
SNMP and NetFlow are commonly used protocols for passive monitoring in network assurance, providing insights into network traffic and performance without actively probing devices.
NEW QUESTION # 32
An administrator has set up GPO properly, but realized ThousandEyes EPA was not deployed on one of the office PCs. What is the appropriate first step?
Answer: A
Explanation:
In the Designing and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum, troubleshooting deployment issues is as critical as the initial configuration. When utilizing Group Policy Objects (GPOs) for the distribution of the ThousandEyes Endpoint Agent (EPA), certain prerequisites must be met for the policy to take effect on a target machine.
The most fundamental requirement is that the target PC must be a member of the domain or the specific Organizational Unit (OU) where the GPO is linked. Therefore, the appropriate first step is to check that the PC belongs to the needed domain (Option B). GPOs are scoped based on Active Directory membership; if a computer is in a workgroup or a different domain/OU that is not targeted by the policy, it will never receive the instruction to install the software, regardless of how
"properly" the GPO is configured on the server.
NEW QUESTION # 33
Employees and customers of a retail company are experiencing performance issues with the store website, such as slowness during the login process or failure when adding items to the cart. Which test type is the most useful for identifying the root cause of these problems?
Answer: C
Explanation:
In theDesigning and Implementing Enterprise Network Assurance (300-445 ENNA)curriculum, selecting the appropriate test type is essential for isolating performance bottlenecks in complex web applications. When users report issues with specific multi-step workflows-such as logging into a portal or interacting with a shopping cart-theTransaction test type(Option C) is the most effective tool.
A Transaction test is a specialized Web-layer test that utilizes a script (typically written in JavaScript
/TypeScript) to mimic real user interactions with a website. Unlike a simpleHTTP Server test(Option A) that only checks for a 200 OK response from a single URL, or aPage Load test(Option B) that measures the rendering of a single page, a Transaction test follows a predefined user journey. For this retail scenario, the test can be configured to navigate to the homepage, enter credentials, click the login button, search for a product, and add it to the cart.
The primary advantage of this approach is that it provides granular, step-specific timing. It allows the engineer to identify precisely where the latency or failure occurs-for example, if the backend database takes too long to process the login or if an API call fails during the "add to cart" action. WhileAgent-to-server (Option D) andDNS Server(Option E) tests provide valuable network and infrastructure data, they cannot validate the functional logic of a web application.Agent-to-agent(Option F) is used for measuring throughput between two managed points and is irrelevant for public-facing website testing. Therefore, for troubleshooting interactive web processes, theTransaction test typeis the definitive choice for pinpointing the source of the issue.
NEW QUESTION # 34
A network administrator observes a recurring pattern in their Cisco SD-WAN: during peak business hours, users at a specific branch office experience poor voice call quality, characterized by choppy audio and delays.
6 The administrator suspects that network congestion is contributing to this issue and wants to leverage ThousandEyes WAN Insights to improve the situation proactively. Which capability of WAN Insights is most relevant to this scenario?
Answer: D
Explanation:
According to theDesigning and Implementing Enterprise Network Assurance (300-445 ENNA) curriculum,ThousandEyes WAN Insightsis a predictive analytics solution designed to transform network management from a reactive to a proactive model.10In the scenario provided, the voice quality issues are recurring and peak-hour dependent, indicating a need for optimization rather than just standard real-time alerting.11 The most relevant capability for this scenario isanalyzing historical SD-WAN performance datato generate path recommendations(Option B). WAN Insights integrates withCisco Catalyst SD-WAN Manager (vManage) andvAnalyticsto ingest massive volumes of telemetry.12It uses advanced statistical models to analyze the performance of all active circuits (MPLS, Internet, etc.) over time. If the system identifies that a different available path consistently delivers a higher Quality of Experience (QoE) or better adherence to the voice SLA during those peak windows, it generates a recommendation to adjust theApplication-Aware Routing (AAR)policy.1314 This predictive approach allows the administrator to fine-tune network policies in advance, ensuring that sensitive traffic like voice is automatically rerouted to the most stable path before the congestion impacts the users. Option A describes standard ThousandEyes synthetic testing, while Option C is incorrect because WAN Insights specifically uses existing SD-WAN telemetry rather tha15n generating its own synthetic voice16probes. Option D and E describe general NMS or security features not specific to WAN Insights' predictive mission. Thus, the proactive recommendation of alternative paths based on historical SLA adherence is the core function of WAN Insights for improving voice quality.171819
NEW QUESTION # 35
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