Aug-2024 Realistic 500-430 Exam Dumps with Accurate & Updated Questions
500-430 Exam Dumps - PDF Questions and Testing Engine
NEW QUESTION # 23
Which two choices are available when specifying an application in a URL string for the Health Rule REST API? (Choose two.)
- A. Application ID
- B. Application Name
- C. Application Alias
- D. Application GUID
- E. Application REGEX
Answer: A,B
Explanation:
Explanation
The Health Rule REST API allows you to create, configure, update, and delete health rules for multiple applications simultaneously. To use this API, you need to specify the application in the URL string. You can use either the application ID or the application name for this purpose. The application ID is a unique numeric identifier for each application in the Controller. The application name is the display name of the application in the AppDynamics UI. You cannot use the application alias, GUID, or REGEX for the Health Rule REST API. References: Health Rule API and Retrieve All Business Applications in the AppDynamics documentation.
NEW QUESTION # 24
What are three valid reasons to use the AppDynamics REST API to retrieve metrics? (Choose three.)
- A. to retrieve health rule violations
- B. to evaluate health rules
- C. to calculate a new metric based on two existing metrics
- D. to archive 1-minute granularity data
- E. to create a custom report to be run monthly to show average node availability
- F. to create an alert using a baseline to send to an internal ticketing system
Answer: A,C,D
Explanation:
Explanation
The AppDynamics REST API to retrieve metrics allows you to get values generated for metrics by specifying the path of the metric and the time frame for the data1. Some of the valid reasons to use this API are12:
To archive 1-minute granularity data. The AppDynamics Controller stores metric data at different levels of granularity depending on the retention period. For example, it stores 1-minute granularity data for 8 days, 10-minute granularity data for 32 days, and 1-hour granularity data for 365 days. If you want to archive the 1-minute granularity data for longer than 8 days, you can use the API to retrieve and store the data in an external database or file system.
To calculate a new metric based on two existing metrics. The AppDynamics Controller provides some built-in metrics such as average response time, calls per minute, errors per minute, etc. However, you may want to calculate a new metric that is not available in the Controller, such as the ratio of errors to calls, or the percentage of slow transactions. You can use the API to retrieve the values of the existing metrics and perform the calculation using your own logic or formula.
To retrieve health rule violations. Health rules are the rules that define the performance and availability thresholds for your application components. When a health rule is violated, the AppDynamics Controller generates an event and optionally triggers a policy action. You can use the API to retrieve the list of health rule violations for a given application, time range, and severity level. This can help you monitor and troubleshoot the health of your application and take corrective actions if needed. References: Retrieve Metric Data, Health Rule API
NEW QUESTION # 25
What are the correct steps to install a .NET Agent patch?
- A. Install the .NET Agent patch
Restart the instrumented application(s) - B. Restart the machine
Install the patch over exiting .NET agent
Restart instrumented applications(s) - C. Restart the instrumented application(s)
Apply the patch over existing NET agent - D. Uninstall the existing .NET Agent
Install the patch
Restart the instrumented application(s)
Answer: A
Explanation:
Explanation
To install a .NET Agent patch, which is a minor update to the existing .NET Agent version, you do not need to uninstall the old agent or restart the machine. You only need to follow these steps:
Download the .NET Agent patch from the AppDynamics Download Center.
Launch an elevated command prompt with full administrator privileges.
Execute the Installer.bat file from the patch archive. The batch file installs the patch and starts the AppDynamics Agent Coordinator service.
Restart the instrumented applications, such as IIS, Windows services, or standalone applications.
References: .NET Agent and How do I deploy a .NET Agent? in the AppDynamics documentation and community.
NEW QUESTION # 26
Which two user accounts are created by the AppDynamies Controller during installation? (Choose two.)
- A. Elastic search root user
- B. OS user that will run the controller
- C. REST API user
- D. GlassFish asadmin user
- E. MySQL appd admin user
- F. Customer-specified Controller administrator account
Answer: D,F
Explanation:
Explanation
The AppDynamics Controller is a Java web application that runs on a GlassFish application server and uses a MySQL database. During the installation of the Controller, two user accounts are created by default:
The GlassFish asadmin user is the administrative user for the GlassFish server. This user has the authority to start, stop, and configure the GlassFish server and its domains. The default username for this user is admin and the default password is appdynamics. You can change the password for this user after the installation by using the asadmin command-line tool1.
The customer-specified Controller administrator account is the user account that you provide during the installation wizard. This is the account that you use to access the AppDynamics User Interface (UI) for the first time and perform various tasks such as creating applications, configuring agents, managing users and groups, and so on. You can choose any username and password for this account, but AppDynamics recommends using only ASCII characters. You can also create additional user accounts in the Controller UI after the installation2.
The other options are not user accounts that are created by the Controller installation. The Elastic search root user, the REST API user, and the MySQL appd admin user are user accounts that are used internally by the Controller components and are not exposed to the end user. The OS user that will run the controller is a user account that you need to create on the host machine before the installation, and it is not created by the Controller installation3. References: Controller Installation, Manage Users and Groups, and Update the Root User and Glassfish Admin Passwords in the AppDynamics documentation.
NEW QUESTION # 27
Which type of Alert and Respond action is available only on an on-premises Controller?
- A. Remediation action
- B. Diagnostic action
- C. Custom action
- D. Cloud auto-scaling
Answer: C
Explanation:
Explanation
A custom action is a type of Alert and Respond action that allows you to integrate AppDynamics notifications with your own alerting or ticketing system. You can create a custom action by writing an executable script and an XML file that describe how to pass information from AppDynamics to your system. A custom action can be triggered by a policy based on a health rule violation or an event. A custom action is available only on an on-premises Controller, because it requires access to the Controller file system and the ability to execute scripts on the Controller host machine. For a SaaS Controller, you can use HTTP request templates instead of custom actions to integrate with external systems. References: Build a Custom Action, Alert and Respond, Actions, Custom Actions
NEW QUESTION # 28
Why would a load balancer be deployed in production for a single-node events cluster?
- A. to provide redundancy for the single-node
- B. to allow for deployment growth in the events cluster
- C. to use the embedded Events Service along with the single-node cluster
- D. to hide the events server's real name
Answer: B
Explanation:
Explanation
A load balancer is a network device that distributes incoming traffic among a group of servers or nodes. A load balancer can improve the performance, availability, and scalability of a service bybalancing the load and providing failover mechanisms. In the context of AppDynamics, a load balancer can be used to route the traffic from the Controller and other Events Service clients to the Events Service nodes. The Events Service is the on-premises data storage facility for unstructured data generated by Application Analytics, Database Visibility, and End User Monitoring deployments.
One of the reasons why a load balancer would be deployed in production for a single-node Events Service cluster is to allow for deployment growth in the future. A single-node Events Service cluster is suitable for test environments or small-scale deployments, but it does not offer data replication or scalability. If the data volume or availability requirements increase, the Events Service cluster needs to be expanded to a multi-node cluster, which consists of three or more nodes. Deploying a load balancer in front of a single-node Events Service cluster makes it easier to add more nodes later, without having to modify the configuration of the Controller and other Events Service clients. The load balancer can also provide a single endpoint for the clients and enable load balancing and failover among the nodes1.
The other options are not valid reasons for deploying a load balancer for a single-node Events Service cluster.
Option A is incorrect, because the embedded Events Service is not meant to be used along with the single-node cluster, as it runs on the same machine as the Controller and does not offer data replication or scalability. The embedded Events Service is only used by the Database Visibility product by default, and it is not recommended for production Application Analytics or EUM installations1. Option B is incorrect, because hiding the Events Service server's real name is not a security or performance benefit, and it can be achieved by other means, such as DNS or firewall rules. Option D is incorrect, because a load balancer cannot provide redundancy for a single-node, as there is no other node to fail over to in case of a node failure. A load balancer can only provide redundancy for a multi-node cluster, which has data replication and fault tolerance1. References: Events Service Deployment in the AppDynamics documentation.
NEW QUESTION # 29
What are two advantages of using an Events Service cluster? (Choose two.)
- A. Clusters reduce the load on the AppDynamics Controller.
- B. Clusters expose multiple channels for simultaneous queries.
- C. Clusters are easier to maintain than single-node instances.
- D. Clusters allow data replication across multiple nodes.
- E. Clusters are horizontally scalable by adding nodes.
Answer: D,E
Explanation:
Explanation
An Events Service cluster is a group of two or more Events Service nodes that work together to store and process unstructured data generated by AppDynamics components such as Application Analytics, Database Visibility, and End User Monitoring1. Using an Events Service cluster has two main advantages over a single-node instance12:
Clusters allow data replication across multiple nodes. This means that the data is duplicated and distributed among the nodes in the cluster, providing data redundancy and protection against data loss in case of a node failure. Data replication also improves data availability and query performance, as the cluster can handle concurrent requests from multiple clients.
Clusters are horizontally scalable by adding nodes. This means that the cluster can grow in size and capacity by adding more nodes to the cluster, without affecting the existing nodes or data. Horizontal scaling allows the cluster to handle increasing data volumes and performance demands, as well as balance the workload among the nodes. References: Events Service Deployment, What are the Benefits of Server Clustering?
NEW QUESTION # 30
Which two symptoms occur if an AppDynamics Controller is NOT scaled correctly? (Choose two.)
- A. The average response times of tiers are higher than normal.
- B. The Controller Ul performs slowly.
- C. Snapshots are NOT available after 2 weeks.
- D. The Controller's metric reporting is 7 to 10 minutes behind the current time.
- E. Health rules violations occur more frequently.
Answer: B,D
Explanation:
Explanation
According to the Cisco AppDynamics Professional Implementer (CAPI) documents, the two symptoms that occur if an AppDynamics Controller is not scaled correctly are:
The Controller's metric reporting is 7 to 10 minutes behind the current time. (D) This is a valid symptom because the AppDynamics Controller collects, processes, and stores metrics from the agents that monitor the applications, tiers, nodes, and other entities. If the Controller is not scaled correctly, it may not have enough resources, such as CPU, memory,disk space, or network bandwidth, to handle the incoming metrics data. This may result in a backlog of metrics data that causes the Controller to lag behind the current time. The Controller's metric reporting delay can affect the accuracy and timeliness of the performance analysis and troubleshooting12.
The Controller UI performs slowly. (E) This is a valid symptom because the AppDynamics Controller UI is a web-based application that allows users to access, visualize, and interact with the performance data and configuration settings of the AppDynamics platform. If the Controller is not scaled correctly, it may not have enough resources, such as CPU, memory, disk space, or network bandwidth, to serve the UI requests. This may result in a slow or unresponsive UI that affects the user experience and productivity12.
The incorrect options are:
Snapshots are not available after 2 weeks. (A) This is not a valid symptom because the AppDynamics Controller does not store snapshots for more than 2 weeks by default. Snapshots are detailed records of the execution context and call graphs of the business transactions that are monitored by the AppDynamics platform. Snapshots are useful for diagnosing performance issues and errors, but they also consume a lot of disk space. The AppDynamics Controller automatically purges the snapshots that are older than 2 weeks, unless the retention policy is changed by the user. The availability of snapshots is not affected by the Controller scaling, unless the disk space is exhausted34.
Health rule violations occur more frequently. (B) This is not a valid symptom because the AppDynamics Controller does not cause health rule violations to occur more frequently. Health rule violations are triggered when the performance or availability metrics of the monitored entities exceed the thresholds that are defined by the user. Health rule violations indicate the presence of performance issues or errors in the monitored applications, tiers, nodes, or other entities, not in the Controller itself. The frequency of health rule violations is not affected by the Controller scaling, unless the Controller fails to collect or process the metrics data5 .
The average response times of tiers are higher than normal. This is not a valid symptom because the AppDynamics Controller does not affect the average response times of tiers. The average response time of a tier is the average time that the tier takes to process the incoming requests from the business transactions that are monitored by the AppDynamics platform. The average response time of a tier is influenced by the performance and behavior of the application code, the infrastructure, the dependencies, and the workload of the tier, not by the Controller itself. The average response time of a tier is not affected by the Controller scaling, unless the Controller fails to collect or process the metrics data .
References:
1: Controller System Requirements - AppDynamics
2: Controller Sizing Guidelines - AppDynamics
3: Transaction Snapshots - AppDynamics
4: Configure Data Retention - AppDynamics
5: Health Rules - AppDynamics
NEW QUESTION # 31
Which directory should an administrator back up if the goal is to back up the EUM Server?
- A. <controller_home>/bin/eum_server directory
- B. <eum_server_home= directory
- C. <controller_home>
- D. <controller_home=/bin directory
Answer: B
Explanation:
Explanation
The <eum_server_home> directory contains the EUM Server installation files, configuration files, and data files. It is recommended to back up this directory as a precaution before upgrading or migrating the EUM Server. The default location of this directory is <installDir>/AppDynamics/EUM, where <installDir> is the directory where you installed the Controller. You can also use the backup-eum.sh script to back up the EUM Server data12. References: Upgrade the Production EUM Server, Configure the EUM Server
NEW QUESTION # 32
Which AppDynamics Controller port(s) does the EUM Server require access to in a configuration where the EUM Server and Controller are on separate hosts (split-host configuration)?
- A. Controller primary HTTP{s) port
- B. dedicated EUM HTTP(s) ports
- C. GlassFish administration port
- D. Controller database and HTTP(s) ports
Answer: A
NEW QUESTION # 33
If using SSL for agent communication with an AppDynamics Controller, it is recommended that agent SSL traffic
- A. is encrypted with a 64-bit encryption key
- B. terminates at the Controller
- C. is decrypted and then encrypted again at the firewall
- D. terminates at a reverse proxy or a load balancer in front of the Controller
Answer: D
Explanation:
Explanation
AppDynamics recommends that you terminate SSL connections from agents at a reverse proxy or a load balancer in front of the Controller, rather than at the Controller itself. This improves the performance and scalability of the Controller by offloading the SSL processing to the proxy or load balancer. It also simplifies the configuration and management of SSL certificates and truststores. To enable this option, you need to configure the proxy or load balancer to accept SSL connections from agents and forward them to the Controller using HTTP. You also need to configure the agents to use SSL and point to the proxy or load balancer host and port. See Enable SSL for the Java Agent for an example. References: Agent-to-Controller Connections and Enable SSL and SSH for Database Agent Communications in the AppDynamics documentation.
NEW QUESTION # 34
Which two statements are true regarding the AppDynamics REST API for retrieving metrics? (Choose two.)
- A. Metrics can be retrieved for a fixed time range.
- B. Median is one of the returned values,
- C. End-time value must be provided if using the time-range-type of AFTER_TIME.
- D. Wildcards can be used in the REST API metric path.
- E. Minimum and maximum values are meaningful for all metric types.
Answer: A,D
Explanation:
Explanation
The AppDynamics REST API for retrieving metrics allows you to get values generated for metrics by specifying the path of the metric and the time frame for the data1. The following statements are true regarding this API12:
Metrics can be retrieved for a fixed time range. You can use the time-range-type parameter to specify a fixed time range such as BEFORE_NOW, AFTER_TIME, or BETWEEN_TIMES. You can also use the duration-in-mins parameter to specify the length of the time range in minutes.
Wildcards can be used in the REST API metric path. You can use the asterisk () character as a wildcard to match any metric name or part of a metric name. For example, you can use the metric path Business Transaction Performance|Business Transactions||*|Average Response Time (ms) to retrieve the average response time for all business transactions in all tiers. References: Retrieve Metric Data, Retrieve Metric Hierarchy
NEW QUESTION # 35
What are two actions that an administrator should take to upgrade an EUM Server that is currently in production? (Choose two.)
- A. Stop the EUM agents,
- B. Stop the EUM server before the upgrade.
- C. Update the EUM Server access key.
- D. Upgrade the EUM agents.
- E. Run the new installer on the ELUM host machine.
Answer: B,E
Explanation:
Explanation
To upgrade an EUM Server that is currently in production, the administrator should follow these steps:
Stop the EUM Server before the upgrade. This ensures that the EUM Server does not process any incoming data from the EUM agents during the upgrade process. The administrator can use the eum.sh or eum.bat script to stop the EUM Server gracefully1.
Run the new installer on the EUM host machine. The installer will detect the existing EUM Server installation and prompt the administrator to upgrade it to the latest version. The installer will also migrate the EUM data from the old version to the new version, if needed. The administrator should follow the instructions on the installer wizard to complete the upgrade2.
The other options are not necessary or correct for upgrading the EUM Server. The administrator does not need to stop or upgrade the EUM agents, as they are compatible with the new version of the EUM Server. The administrator does not need to update the EUM Server access key, as it remains the same after the upgrade. The administrator does not need to install MySQL, as it is bundled with the EUM Server installation package2. References: Upgrade the Production EUM Server and Start and Stop the EUM Server in the AppDynamics documentation.
NEW QUESTION # 36
What are two capabilities of the standalone Machine Agent running on Linux? (Choose two.)
- A. It can communicate with multiple AppDynamics Controllers.
- B. lt can send SNMP alerts.
- C. It can start an HTTP listener for custom metrics.
- D. It can restart itself if it goes down.
- E. It can act as a forwarder for analytics events.
Answer: C,E
Explanation:
Explanation
The AppDynamics standalone Machine Agent is a Java program that runs on a host machine and collects hardware and infrastructure metrics, such as CPU, memory, disk, and network usage. The Machine Agent can also perform additional functions, such as:
Acting as a forwarder for analytics events: The Machine Agent can be configured to forward business transaction, log, browser, mobile, and synthetic events from the application agents to the AppDynamics Events Service, which is a distributed, scalable data store for analytics data. The Machine Agent can also forward custom events from the SDK or API to the Events Service. This allows you to use the AppDynamics Analytics features, such as dashboards, queries, funnels, and metrics, to analyze the performance and behavior of your applications and users12.
Starting an HTTP listener for custom metrics: The Machine Agent can be configured to start an HTTP listener that can receive custom metrics from external sources, such as scripts, tools, or other applications. The Machine Agent can then report these custom metrics to the AppDynamics Controller, where youcan view them in the Metric Browser or use them in health rules, policies, or dashboards. This allows you to monitor any aspect of your system that is not covered by the default Machine Agent metrics34.
The other statements are false because:
B: The Machine Agent cannot send SNMP alerts. The Machine Agent can only receive SNMP traps from external sources and report them as events to the AppDynamics Controller. The AppDynamics Controller can send SNMP alerts to external systems based on health rule violations or events, but this is not a function of the Machine Agent5 .
C: The Machine Agent cannot communicate with multiple AppDynamics Controllers. The Machine Agent can only communicate with one Controller at a time, which is specified in the controller-info.xml file in the agent configuration directory. If you want to monitor the same host machine with multiple Controllers, you need to install multiple Machine Agents on the same machine, each with a different Controller configuration and port number .
D: The Machine Agent cannot restart itself if it goes down. The Machine Agent does not have a built-in mechanism to automatically restart itself in case of a failure or a crash. You need to use an external tool or script to monitor the Machine Agent process and restart it if necessary. Alternatively, you can use the AppDynamics Agent Installer to deploy the Machine Agent as a service, which can be configured to restart automatically on failure .
References: Analytics Agent, Analytics Data, HTTP Listener, Custom Metrics, SNMP Trap Alerting Integration, [SNMP Integration], [Machine Agent Configuration Properties], [Install the Machine Agent],
[Agent Installer], [Start and Stop the Machine Agent]
NEW QUESTION # 37
What are two reasons that would require an administrator to install the Events Service cluster manually?
(Choose two.)
- A. Security concerns with passwordless SSH
- B. Installation on SUSE Linux
- C. Security requirements to install using a non-root user account
- D. Installation on Windows
Answer: A,C
Explanation:
Explanation
According to the Cisco AppDynamics Professional Implementer (CAPI) documents, the two reasons that would require an administrator to install the Events Service cluster manually are:
Security concerns with passwordless SSH (B): This is a valid reason because the automated installation of the Events Service cluster requires passwordless SSH access to the target hosts. Passwordless SSH allows the Enterprise Console to execute commands on the remote hosts without prompting for a password. However, some organizations may have security policies that prohibit passwordless SSH access, as it may pose a risk of unauthorized access or malicious attacks. In such cases, the administrator can install the Events Service cluster manually, by following the steps described in the Manual Installation of the Events Service Cluster document1.
Security requirements to install using a non-root user account : This is a valid reason because the automated installation of the Events Service cluster requires root privileges on the target hosts. Root privileges allow the Enterprise Console to create directories, change permissions, and install packages on the remote hosts. However, some organizations may have security policies that restrict root access, as it may pose a risk of accidental or intentional damage to the system. In such cases, the administrator can install the Events Service cluster manually, by following the steps described in the Manual Installation of the Events Service Cluster document1. The administrator can use a non-root user account that has sudo privileges to perform the manual installation.
The incorrect options are:
Installation on SUSE Linux (A): This is not a valid reason for manual installation, because the automated installation of the Events Service cluster supports SUSE Linux as one of the compatible operating systems. The Enterprise Console can install the Events Service cluster on SUSE Linux hosts using the automated installation process, as long as the hosts meet the prerequisites described in the Events Service Requirements document2.
Installation on Windows (D): This is not a valid reason for manual installation, because the Events Service cluster does not support Windows as an operating system. The Events Service cluster can only run on Linux hosts, as it is based on Apache Cassandra, which is a Linux-based distributed database. The Events Service cluster cannot be installed on Windows hosts, either manually or automatically2.
References:
1: Manual Installation of the Events Service Cluster - AppDynamics
2: Events Service Requirements - AppDynamics
NEW QUESTION # 38
What are three reasons you would create custom events using the Machine Agent REST API? (Choose three.)
- A. to create an event to be used to trigger a health rule violation
- B. to create an alert that is to be triggered when a custom event is created
- C. to create an event to be displayed along with Time Series data in a custom dashboard
- D. to create a new metric
- E. to create an event to track application deployment
- F. to create an event to be displayed in a Controller Audit report
Answer: A,C,E
Explanation:
Explanation
The Machine Agent REST API allows you to create custom events that can be used for various purposes in AppDynamics. Some of the reasons you would create custom events using this API are12:
To create an event to track application deployment. You can use the API to send a custom event that marks the start and end of an application deployment process. This can help you monitor the impact of the deployment on the application performance and availability, as well as correlate any issues or anomalies with the deployment event.
To create an event to be displayed along with Time Series data in a custom dashboard. You can use the API to send a custom event that contains any relevant information or context that you want to display in a custom dashboard. For example, you can send a custom event that contains the details of a configuration change, a maintenance window, a business transaction, or a user action. You can then use the custom dashboard to visualize the custom event data along with the Time Series data for the metrics you are interested in.
To create an event to be used to trigger a health rule violation. You can use the API to send a custom event that contains a metric value that you want to use as a condition for a health rule. For example, you can send a custom event that contains the CPU utilization of a machine, and then create a health rule that evaluates the CPU utilization metric and triggers a violation if it exceeds a certain threshold. You can then use the health rule violation to generate alerts, notifications, or remediation actions. References: Machine Agent HTTP Listener, Create Custom Events
NEW QUESTION # 39
Which artifacts are needed, at minimum, to add a custom extension to a Machine Agent?
- A. Directory
Manitor.xml file
Custom-gxtension.xml file - B. Directory
Zip Extension
Monitor.xml file - C. Directory
Script file
Config.json file - D. Directory
Jar or Script file
Monitor.xml file
Answer: D
Explanation:
Explanation
To add a custom extension to a Machine Agent, you need at least three artifacts: a directory, a jar or script file, and a monitor.xml file12. The directory is where you place your extension files under the
<machine_agent_home>/monitors directory. The jar or script file is the executable file that collects and reports the custom metrics to the Machine Agent. The monitor.xml file is the configuration file that defines the name, frequency, and parameters of your extension. You can also optionally include other files such as libraries, configuration files, or templates for yourextension12. References: Build a Monitoring Extension Using Scripts, Extensions and Custom Metrics
NEW QUESTION # 40
......
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