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最短時間で試験に合格したい場合は、500-420学習教材がこの夢を実現するのに役立ちます。お客様の特定の状況に応じた500-420学習クイズ。適切なスケジュールと学習教材を作成し、最短時間で試験に合格できるよう準備します。 500-420トレーニング準備を使用する場合、500-420学習教材を練習するのに20〜30時間を費やすだけで、試験を受けて合格することができます。
質問 # 82
What is a reason for creating an Information Point?
正解：D
解説：
An Information Point is created to gather application-specific business and performance metrics from a selected class and method. It enables AppDynamics to monitor code that represents a meaningful business activity even when that method is not a Business Transaction entry point. Typical examples include tracking order value, number of items processed, cache access frequency, payment amounts, or invocations of a critical internal service.
Information Points can report measurements such as calls per minute, average response time, errors per minute, and configured custom numeric values. These metrics can then be displayed in the Metric Browser, compared against baselines, incorporated into dashboards, and evaluated by health rules.
Information Points are not limited to a particular Business Transaction, making option B too restrictive.
Collecting fields specifically for Analytics queries is generally handled through transaction analytics and data collectors. Memory-leak troubleshooting instead uses memory diagnostics, object-instance tracking, heap analysis, and leak-detection capabilities.
Relevant CAAPA Study Guide topics include Information Points, Method-Level Monitoring, Business Metrics, Custom Metrics, Metric Roll-Ups, Dynamic Baselines, Health Rules, and Application Instrumentation.
質問 # 83
What AppDynamics Alert Action does a Performance Analyst need to select to post an AppDynamics event to a third-party collaboration tool?
正解：D
解説：
To post an AppDynamics event to a third-party collaboration tool, the Performance Analyst needs to select the " Make an HTTP Request " alert action. This action allows AppDynamics to send an HTTP request to a specified URL, which can be the endpoint provided by the third-party tool ' s API. This integration capability enables the automatic posting of events, alerts, and notifications from AppDynamics to collaboration tools, enhancing communication and response times to performance issues.
References:
AppDynamics documentation on Alert and Respond: Details the various alert actions available within AppDynamics, including the ability to make HTTP requests to integrate with external systems.
質問 # 84
Which built-in scheduled report Includes load, response time, and error graphs?
正解：D
解説：
The "Application Health Report" is a built-in scheduled report in AppDynamics that includes vital metrics such as load, response time, and error graphs. This report provides a comprehensive overview of the application's health and performance, making it an essential tool for Performance Analysts to regularly review and share with stakeholders to ensure the application meets performance standards and user expectations.
References:
AppDynamics documentation on Reporting: Covers the types of reports available within AppDynamics, including the Application Health Report, detailing its contents and how to schedule and customize it.
AppDynamics documentation on Application Performance Management: Provides an overview of key performance indicators and metrics critical for assessing application health, many of which are included in the Application Health Report.
質問 # 85
In which two cases does AppDynamics start transaction snapshots? (Choose two.)
正解：B、D
解説：
AppDynamics initiates transaction snapshot collection when a Business Transaction is classified as slow, very slow, stalled, or erroneous, subject to the configured snapshot thresholds and agent collection limits. These snapshots preserve detailed diagnostic context, including call graphs, exit calls, errors, and participating tiers, allowing analysts to isolate the code path or downstream dependency responsible for degraded user experience.
AppDynamics also captures snapshots through periodic snapshot collection. Periodic collection samples transactions at configured intervals even when their performance is normal. This provides representative diagnostic evidence and enables comparison between healthy and problematic executions without requiring every transaction to violate a performance threshold.
A sudden increase in Calls per Minute does not, by itself, constitute a standard snapshot trigger. Workload surges may influence application performance, but snapshots begin only when an applicable collection mechanism or diagnostic condition is satisfied. An "asynchronous session" is also not a standard snapshot- start condition; asynchronous processing can be included within a correlated snapshot after collection has already been initiated.
Relevant CAAPA Study Guide topics include Transaction Snapshots, User Experience Classification, Slow and Error Transactions, Periodic Snapshot Collection, Call Graphs, and Snapshot Collection Thresholds.
質問 # 86
Which three things should a Performance Analyst verify to validate a Java Agent's configuration? (Choose three.)
正解：A、C、E
解説：
To validate a Java Agent configuration, the Performance Analyst should inspect the startup script, controller- info.xml, and relevant environment variables.
The startup script must contain the correct -javaagent argument pointing to the Java Agent JAR. It may also define Java system properties for the Controller host, port, SSL setting, application name, tier name, node name, account credentials, and other agent parameters. Incorrect paths or conflicting -Dappdynamics.* values can prevent registration or cause the agent to report under the wrong entity.
The controller-info.xml file is the Java Agent's primary configuration file. The analyst should verify Controller connectivity settings, account details, access key, application identity, tier identity, node identity, and SSL configuration.
Environment variables must also be reviewed because containerized and automated deployments commonly provide AppDynamics settings through variables. These values may override or supplement file-based configuration and can explain unexpected registration behavior.
/etc/sysctl.conf contains operating-system kernel parameters and is not a Java Agent configuration source.
controller-info.yaml is not the standard Java Agent configuration file.
Relevant CAAPA topics include Java Agent Installation, Agent Registration, Controller Connectivity, controller-info.xml, Java System Properties, Environment Variables, and Application-Tier-Node Naming.
質問 # 87
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