Cisco 500-420 Online Practice Questions and Exam Preparation

Cisco 500-420 Online Questions & Answers

• Question 1:

  A Performance Analyst has noticed a significant decrease in an application's workload (calls/min) and is trying to identify the root cause. Which option will give the Performance Analyst insight into the behavior of the affected Business Transactions?

  A. Review Business Transactions and enable Show Trends
  B. In Metric Browser Plot Calls/min for the Application
  C. Review Top Business Transactions by Load in the Application Dashboard
  D. Review the Transaction Score for the Application
  E. Review all elements in the Application Flow Map and identify variations in load
  C. Review Top Business Transactions by Load in the Application Dashboard

  ---

  Explanation/Reference:

  When a Performance Analyst observes a significant decrease in an application's workload (calls/min), reviewing the "Top Business Transactions by Load" in the Application Dashboard can provide valuable insights. This feature allows the

  analyst to quickly identify which business transactions have experienced the most significant changes in load, potentially pinpointing the root cause of the overall workload decrease. It offers a focused view of the application's performance,

  highlighting areas that may require further investigation or immediate action.

  References:

  AppDynamics documentation on Application Dashboard: Describes the features and capabilities of the Application Dashboard, including how to view and analyze the top business transactions by load.

  AppDynamics documentation on Business Transactions: Details the importance of monitoring business transactions and how they can be used to understand application performance trends.

• Question 2:

  Which option, in addition to "minutes since creation", would a Performance Analyst use while configuring Automatic Cleanup of stale Business Transactions?

  A. Transaction Type
  B. Number of Calls
  C. Regular Expression
  D. Class/Method Filter
  B. Number of Calls

  ---

  Explanation/Reference:

  When configuring Automatic Cleanup of stale Business Transactions, the "minutes since creation" option is often paired with the "Number of Calls" metric. This setting ensures that business transactions that have not been called within a

  certain timeframe and have had a negligible number of calls are automatically cleaned up, helping to maintain an organized and relevant set of business transactions in the monitoring system.

  References:

  AppDynamics documentation on Business Transactions: Discusses best practices for managing business transactions, including the automatic cleanup based on time and call volume thresholds.

• Question 3:

  Which two views can a Controller-level custom dashboard provide? (Choose two.)

  A. Show a single view of only historical data.
  B. Aggregate and compare data from only a single application on the same Controller
  C. Aggregate and compare data from different applications on the same Controller
  D. A customized view of applications, servers, and database performance data
  C. Aggregate and compare data from different applications on the same Controller
  D. A customized view of applications, servers, and database performance data

  ---

  Explanation/Reference:

  Controller-level custom dashboards in AppDynamics have the flexibility to provide views that aggregate and compare data from different applications on the same Controller, as well as offer a customized view of applications, servers, and

  database performance data. This capability enables a holistic view of the IT environment, facilitating cross-application insights and the ability to correlate performance across different layers of the technology stack. Such dashboards are

  invaluable for understanding overarching trends, pinpointing systemic issues, and driving informed decision-making across multiple applications and infrastructure components.

  References:

  AppDynamics documentation on Custom Dashboards: Provides detailed instructions on creating and customizing dashboards at the Controller level, including the aggregation and comparison of data from various sources. AppDynamics

  documentation on Controller UI: Explains the functionalities available within the Controller UI, including the creation of comprehensive dashboards that encompass application, server, and database metrics.

• Question 4:

  Which two Key Performance Indicators (KPIs) accurately provide insight into server level resource consumption? (Choose two.)

  A. Calls per Minute
  B. Availability
  C. Average Response Time
  D. Application Restarts
  E. CPU %Busy
  F. Memory Used%
  E. CPU %Busy
  F. Memory Used%

  ---

  Explanation/Reference:

  Key Performance Indicators (KPIs) such as "CPU %Busy" and "Memory Used%" are critical for providing insights into server-level resource consumption. "CPU %Busy" indicates the percentage of time the CPU is actively working on

  processes, reflecting the server's processing workload. "Memory Used%" shows the proportion of memory utilized, indicating how much of the server's RAM is being consumed by applications and processes. These KPIs are essential for

  understanding and managing server performance and resource allocation.

  References:

  AppDynamics documentation on Server Monitoring: Includes information on monitoring server-level metrics, including CPU and memory utilization, to assess resource consumption.

• Question 5:

  A Performance Analyst needs to send a summary report of specific events every two hours. Which feature can enable this automated report summary?

  A. Email Templates
  B. HTTP Request Templates
  C. Email Digests
  D. Email / SMS Configuration
  C. Email Digests

  ---

  Explanation/Reference:

  To send a summary report of specific events every two hours, a Performance Analyst can use the "Email Digests" feature in AppDynamics. This feature allows for the automated aggregation and delivery of pertinent event information at

  predefined intervals, ensuring stakeholders remain informed about the application's performance and significant events without the need for constant manual monitoring.

  References:

  AppDynamics documentation on Alerting and Notifications: Details the configuration of email notifications and digests for events and alerts, including scheduling and content customization options.

  AppDynamics documentation on Reports: Provides information on various reporting features, including the setup of automated email digests.

• Question 6:

  In which two features of AppDynamics can Information Points metric data be used? (Choose two.)

  A. Alerting
  B. Analytics
  C. Flow Maps
  D. Custom Dashboards
  A. Alerting
  D. Custom Dashboards

  ---

  Explanation/Reference:

  Information Points in AppDynamics are custom metrics that track specific data within your applications, such as method invocations or the value of method arguments. These metrics can be utilized in various features of AppDynamics, most

  notably in "Alerting" and "Custom Dashboards." Alerting allows you to set up notifications based on the thresholds set for Information Points, ensuring that teams are promptly informed about significant changes or anomalies. Custom

  Dashboards enable the visualization of Information Points metrics alongside other key performance indicators, providing a comprehensive view of application health and performance tailored to specific needs.

  References:

  AppDynamics documentation on Information Points: Explains how to create and use Information Points to monitor specific business-relevant metrics. AppDynamics documentation on Alerting: Details the process of setting up health rules and

  alerts based on various metrics, including those from Information Points. AppDynamics documentation on Custom Dashboards: Guides on how to create dashboards that incorporate a wide range of metrics, including Information Points, for

  customized monitoring.

• Question 7:

  A Performance Analyst notices an increase in Business Transaction error rate that is much higher than normal alerts. The Performance Analyst can see these are related to the Health Rules defined for the Shopping Service that is monitored with AppDynamics Browser RUM. While troubleshooting the Performance Analyst wants details on which Browsers and Devices are affected. Which section of the Browser App Dashboard will provide this detail for a given time period?

  A. Usage Stats
  B. Sessions
  C. Pages and Ajax Requests
  D. Overview
  A. Usage Stats

  ---

  Explanation/Reference:

  In the Browser Real User Monitoring (RUM) Dashboard, the Usage Stats section provides insights into user demographics, including the types of browsers and devices they are using. This section would help the Performance Analyst

  understand which browsers and devices are affected during a specific time period when there has been an increase in the Business Transaction error rate.

  References:

  AppDynamics documentation on Browser RUM:

  https://docs.appdynamics.com/21.6/en/end-user-monitoring/browser-monitoring/browser-real-user-monitoring

• Question 8:

  A team of developers deploys new Java servlet code that should create new business transactions in AppDynamics. After applying load on the new code function, there are no new Business Transactions on the Business Transaction Dashboard.

  Which two options should the developers check in AppDynamics to make sure the Business Transactions can be discovered? [Choose two.)

  A. The metric browser to see if the new transactions appear under Business Transaction Performance.
  B. The tier with the new code does not have any rules excluding it.
  C. Auto discovery for service endpoints is turned on.
  D. There is a health rule created to check for transaction performance.
  E. Auto Discovery for servlet is turned on for Java agents.
  B. The tier with the new code does not have any rules excluding it.
  E. Auto Discovery for servlet is turned on for Java agents.

  ---

  Explanation/Reference:

  When new business transactions are not appearing on the Business Transaction Dashboard after deploying new code, developers should verify that there are no exclusion rules in place on the tier where the new code was deployed. Additionally, it is crucial to ensure that the Auto Discovery feature for servlets is enabled for Java agents, as this allows AppDynamics to automatically detect and name business transactions based on incoming requests to servlets. Both of these checks are necessary to ensure that new business transactions can be discovered and monitored.References:AppDynamics documentation on Business Transaction detection and Java Agent configuration.

• Question 9:

  Within the configuration setting for Slow Transactions, under the "Configure Diagnostic Session Duration and Collection Rate" option, what is the default value pair for the setting "Collect up to ____snapshots per minute for _____ minutes"?

  A. 2,2
  B. 5,5
  C. 10, 10
  D. 4,4
  C. 10, 10

  ---

  Explanation/Reference:

  The default value pair for the setting "Collect up to ____ snapshots per minute for _____ minutes" in the configuration for Slow Transactions is 10, 10. This means that by default, the system is set to collect up to 10 snapshots per minute for a

  duration of 10 minutes during a diagnostic session.

  References:

  AppDynamics documentation on Transaction Snapshots: Outlines the default settings for diagnostic session duration and collection rates, including the collection of snapshots.

• Question 10:

  Which statement is correct regarding controller-level and tier/node-level dashboards?

  A. The Performance Analyst can associate a controller-level dashboard with a tier or node through the My Dashboards tab
  B. From the controller-level dashboards list the Performance Analyst can access any tier/node-level dashboards outside the application in which they were created.
  C. Controller-level and tier/node-level dashboards are two separate sets. The Performance Analyst cannot cross-reference between these dashboards.
  D. Controller-level and tier/node-level dashboards are not scoped to be separate entities.
  C. Controller-level and tier/node-level dashboards are two separate sets. The Performance Analyst cannot cross-reference between these dashboards.

  ---

  Explanation/Reference:

  Controller-level and tier/node-level dashboards in AppDynamics are treated as separate entities. They are scoped differently, with controller-level dashboards providing a global view across the entire AppDynamics domain, and tier/node-level

  dashboards being specific to particular tiers or nodes within an application. Performance Analysts do not have the ability to cross-reference directly between these two sets of dashboards within the AppDynamics UI.

  References:

  AppDynamics documentation on Dashboards:

  https://docs.appdynamics.com/latest/en/application-monitoring/custom-dashboards