Cisco 500-420 Vorbereitungsfragen, 500-420 Prüfungsaufgaben

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Cisco 500-420 Prüfungsplan:

ThemaEinzelheiten
Thema 1
  • Business Transactions: This section evaluates the ability to manage and optimize business transaction configurations within Cisco AppDynamics. It involves creating transaction scopes, analyzing metrics, and managing detection logic. For Cisco architects and consultants, proficiency in this area is essential for ensuring that business transactions are accurately tracked and performance is optimized across the application.
Thema 2
  • Health Rules, Dashboards, and Snapshots: This topic tests the 500-420 exam candidate's competence in creating and managing health rules, dashboards, and snapshots. It includes monitoring health events, identifying issues through dashboards, and analyzing snapshots. The exam measures how well Cisco administrators and systems engineers can maintain application health and respond to potential issues, ensuring continuous system performance.
Thema 3
  • Collectors, Information Points, and Service Endpoints: Candidates must demonstrate their ability to manage transaction splits, configure asynchronous transactions, and analyze endpoint metrics. Targeting aspiring Cisco systems implementers and architects, this section emphasizes the importance of data collection and analysis in maintaining application performance.
Thema 4
  • Troubleshooting: This topic assesses the expertise of Cisco administrators, architects, and consultants in using dashboards, following troubleshooting procedures, capturing snapshots, and evaluating server performance. Candidate aspiring to become the Cisco AppDynamics Associate Performance Analyst must demonstrate competence in identifying slow, error, and stalled business transactions.
Thema 5
  • Agents and Application Performance: This 500-420 exam topic examines the ability to effectively manage AppDynamics agents, monitor application performance, and troubleshoot related issues. It covers configuring alerts, identifying performance metrics, and generating reports. Cisco administrators, architects, and consultants must demonstrate their skills in maintaining agent functionality and analyzing application performance, ensuring optimal system operation.

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Cisco AppDynamics Associate Performance Analyst 500-420 Prüfungsfragen mit Lösungen (Q57-Q62):

57. Frage
A development team responsible for the front-end shopping application has asked to receive an email every time the Java container thread count exceeds 25. Which alert and response capabilities settings will provide the email?

Antwort: B

Begründung:
In AppDynamics, you can create health rules to monitor various metrics and set up actions based on the thresholds defined for these metrics. For monitoring Java container thread counts, you can set a health rule based on Node Health - specifically on thread pools - to trigger when the thread count exceeds a specific value. The Notification Action can then be configured to send an email to the development team whenever this threshold is breached.
References:
AppDynamics documentation on Health Rules: https://docs.appdynamics.com/21.6/en/infrastructure-visibility
/health-rules


58. Frage

Refer to the exhibit. Using this heap utilization graph, which method is used to confirm if a memory leak is occurring during a certain time frame?

Antwort: B

Begründung:
To confirm if a memory leak is occurring, one should refer to the Tiers and Nodes section of the AppDynamics Controller UI, navigate to the Memory tab, and observe the Heap Utilization over time in relation to the Heap ' s Current Usage (MB) versus the Maximum (MB) allocated. Consistent growth in heap utilization or an upward trend that does not decrement even after garbage collection indicates a potential memory leak.
References: AppDynamics documentation on Memory Leak Detection and Heap Analysis.


59. Frage
Which type of Data Collector will capture code data such as method arguments, variables, and return values?

Antwort: C

Begründung:
The "Method Invocation Data Collector" is specifically designed to capture code-level data such as method arguments, variables, and return values. This type of data collector enables deep visibility into the execution of methods within transactions, providing valuable insights into the application's behavior and performance. This detailed level of monitoring is essential for diagnosing complex issues and understanding the inner workings of business transactions.
References:
AppDynamics documentation on Data Collectors: Details the types of data collectors available, including Method Invocation Data Collectors, and how they can be used to capture detailed code-level data.


60. Frage
An AppDynamics deployment has Business Transaction Lock Down turned on. The company has just added an important service to its application and wants to track this service as a unique Business Transaction. What action is needed to achieve this?

Antwort: D

Begründung:
With Business Transaction Lock Down enabled, AppDynamics prevents automatically discovered traffic from registering additional Business Transactions. Newly observed requests that do not match an existing registered transaction are generally aggregated under the tier's All Other Traffic transaction, protecting the Controller from uncontrolled Business Transaction growth.
To monitor the new web service as an explicitly named, unique Business Transaction, the Performance Analyst should create a Custom Transaction Match Rule. The rule can identify the service by its Web Service Name and Operation Name, providing deterministic matching and naming independently of automatic transaction discovery. Custom rules are the appropriate mechanism for intentionally introducing important transactions while maintaining lockdown governance.
Changing the automatic discovery rule does not overcome the purpose of lockdown because new automatically discovered transactions remain restricted. Live Preview assists with validating detection-rule behavior but is not the persistent configuration that defines the transaction. All Other Traffic provides aggregated visibility into unregistered traffic; it does not replace a precise custom detection rule.
Relevant CAAPA Study Guide topics include Business Transaction Lock Down, Custom Match Rules, Web- Service Entry Points, Transaction Naming, Automatic Discovery, and All Other Traffic.


61. Frage
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?

Antwort: C

Begründung:
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-monito


62. Frage
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