2024 500-430 Dumps PDF - 500-430 Real Exam Questions Answers
Valid 500-430 Test Answers & Cisco 500-430 Exam PDF
NEW QUESTION # 30
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. GlassFish administration port
- B. Controller database and HTTP(s) ports
- C. dedicated EUM HTTP(s) ports
- D. Controller primary HTTP{s) port
Answer: D
Explanation:
Explanation
In a split-host configuration, where the EUM Server and Controller are on separate hosts, the EUM Server requires access to the Controller primary HTTP(s) port. This is because the EUM Server needs to communicate with the Controller API server to send data and receive configuration information. The default primary HTTP port for the Controller is 8090 and the default primary HTTPS port is 81811. The dedicated EUM HTTP(s) ports are used by the EUM agents to send data to the EUM Server, not by the EUM Server to access the Controller2. The GlassFish administration port is used to access the Controller Admin Console, not by the EUM Server3. The Controller database port is used by the Controller to connect to the MySQL database, not by the EUM Server4. References: Controller Port Settings, Configure the Port for the EUM Agent, Access the Administration Console, Controller System Requirements
NEW QUESTION # 31
What is the correct method to perform a NET Agent upgrade?
- A. Perform the agent upgrade on the application server host by running the Agent Configuration Utility.
- B. Perform the agent upgrade on the application server host by running the MSI Installer Package.
- C. Perform the agent upgrade on a remote server host by using the AppDynamics Controller REST API.
- D. Perform the agent upgrade via the AppDynamics Controller Ul.
Answer: B
Explanation:
Explanation
According to the Cisco AppDynamics Professional Implementer (CAPI) documents, the correct method to perform a NET Agent upgrade is to perform the agent upgrade on the application server host by running the MSI Installer Package12. This method will install updated agent files and maintain legacy configurations. You do not need to uninstall the old agent first when you upgrade from the NET Agent >= 3.9, except for patch releases. You need to stop IIS, instrumented Windows services, and instrumented standalone applications before running the MSI Installer Package. You also need to launch an elevated command prompt with full administrator privileges and specify youraccount access key for single-tenant Controller accounts. After the installation, you need to restart Windows services and standalone applications.
The incorrect options are:
Perform the agent upgrade on a remote server host by using the AppDynamics Controller REST API.
(B) This is not a valid method for upgrading the NET Agent, because the AppDynamics Controller REST API does not provide any endpoint for agent installation or upgrade. The REST API is mainly used for retrieving or updating configuration data, metrics, events, snapshots, and other information from the Controller3.
Perform the agent upgrade on the application server host by running the Agent Configuration Utility.
This is not a valid method for upgrading the NET Agent, because the Agent Configuration Utility is a tool for modifying the agent configuration after installation, not for installing or upgrading the agent. The Agent Configuration Utility allows you to change the Controller connection settings, the agent logging level, the proxy settings, and other advanced options4.
Perform the agent upgrade via the AppDynamics Controller UI. (D) This is not a valid method for upgrading the NET Agent, because the AppDynamics Controller UI does not provide any feature for agent installation or upgrade. The Controller UI is mainly used for monitoring, analyzing, and troubleshooting the performance of the applications, business transactions, tiers, nodes, and other entities that are instrumented by the agents5.
References:
1: Upgrade the .NET Agent for Windows - AppDynamics
2: Release Upgrade Checklist for .NET Agents - AppDynamics
3: REST API - AppDynamics
4: Configure the .NET Agent - AppDynamics
5: AppDynamics Application Performance Monitoring Platform - AppDynamics
NEW QUESTION # 32
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. Snapshots are NOT available after 2 weeks.
- C. The Controller Ul performs slowly.
- D. The Controller's metric reporting is 7 to 10 minutes behind the current time.
- E. Health rules violations occur more frequently.
Answer: C,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 # 33
Which type of Alert and Respond action is available only on an on-premises Controller?
- A. Cloud auto-scaling
- B. Remediation action
- C. Diagnostic action
- D. Custom action
Answer: D
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 # 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. End-time value must be provided if using the time-range-type of AFTER_TIME.
- C. Median is one of the returned values,
- D. Minimum and maximum values are meaningful for all metric types.
- E. Wildcards can be used in the REST API metric path.
Answer: A,E
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
Default configuration of the Mobile SDK enables____and_____ . (Choose the two correct options to complete the sentence.)
- A. Crash Reports
- B. User Data
- C. Network Requests
- D. Custom Timers
- E. Breadcrumbs
Answer: A,C
Explanation:
Explanation
The default configuration of the Mobile SDK enables crash reports and network requests12. Crash reports capture and report any unhandled exceptions or signals that cause the app to terminate abnormally1. Network requests monitor the performance and errors of HTTP and HTTPS requests made by the app2. These features are enabled by default and do not require any additional code or configuration to work12. References: Crash Reports, Network Requests
NEW QUESTION # 36
What are three valid reasons to use the AppDynamics REST API to retrieve metrics? (Choose three.)
- A. to archive 1-minute granularity data
- B. to retrieve health rule violations
- C. to calculate a new metric based on two existing metrics
- D. to create an alert using a baseline to send to an internal ticketing system
- E. to evaluate health rules
- F. to create a custom report to be run monthly to show average node availability
Answer: A,B,C
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 # 37
Which implementation mode should be used when deploying an EUM Server with reverse proxy from a security and performance standpoint in a production environment?
- A. Install the EUM Server on a separate host from the Controller, in front of the reverse proxy.
- B. Install the EUM Server on the same host as the Controller, in front of the reverse proxy.
- C. Install the EUM Server on a separate host from the Controller, behind the reverse proxy.
- D. Install the EUM Server on the same host as the Controller, behind the reverse proxy.
Answer: C
Explanation:
Explanation
The EUM Server is the on-premises version of the EUM Cloud that receives, processes, and stores data from EUM agents. For production installation, AppDynamics recommends that the EUM Server and the Controller sit on different hosts, and the EUM Server hosts its own MySQL instance. This improves the scalability and performance of both components. Moreover, AppDynamics strongly recommends that SSL traffic from agents to the EUM Server is terminated at a reverse proxy that sits in front of the EUM Server in the network path, and forwards connections to the EUM Server using HTTP. This relieves the SSL processing load from the EUM Server, simplifies the certificate management, and enhances the security by isolating the EUM Server from the external Internet. Therefore, the best implementation mode for deploying an EUM Server with reverse proxy in a production environment is option D. References: EUM Server Deployment, Install a Production EUMServer, Reverse Proxy configuration for EUM, and Browser EUM installation in the AppDynamics documentation and community.
NEW QUESTION # 38
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 act as a forwarder for analytics events.
- D. It can restart itself if it goes down.
- E. It can start an HTTP listener for custom metrics.
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 # 39
What is the minimum recommended number of nodes for a redundant Events Service?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: B
Explanation:
Explanation
According to the Cisco AppDynamics Professional Implementer (CAPI) documents, the minimum recommended number of nodes for a redundant Events Service is three ©. The Events Service is a distributed database that stores and processes the analytics data collected by the AppDynamics platform. The Events Service cluster consists of multiple nodes that share the data load and provide fault tolerance and high availability. The minimum number of nodes for a functional Events Service cluster is one, but this is not recommended for production environments, as it does not provide any redundancy or resilience. The minimum number of nodes for a redundant Events Service cluster is three, as this allows the cluster to tolerate the failure of one node without losing any data or availability. The recommended number of nodes for a redundant Events Service cluster is five or more, as this provides better performance and scalability12.
The incorrect options are:
1 (A): This is not a valid option because a single-node Events Service cluster does not provide any redundancy or resilience. If the node fails, the cluster becomes unavailable and the data is lost. A single-node Events Service cluster is only suitable for testing or development purposes, not for production environments12.
2 (B): This is not a valid option because a two-node Events Service cluster does not provide sufficient redundancy or resilience. If one node fails, the cluster becomes unstable and may lose data or availability. A two-node Events Service cluster is not recommended for production environments12.
4 (D): This is not a valid option because a four-node Events Service cluster is not optimal for redundancy or resilience. A four-node Events Service cluster has an even number of nodes, which may cause a split-brain scenario, where the cluster is divided into two equal partitions that cannot communicate with each other. This may result in data inconsistency or unavailability. A four-node Events Service cluster can be improved by adding a fifth node to avoid the split-brain scenario12.
References:
1: Events Service Deployment - AppDynamics
2: Events Service Requirements - AppDynamics
NEW QUESTION # 40
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. GlassFish administration port
- B. Controller database and HTTP(s) ports
- C. dedicated EUM HTTP(s) ports
- D. Controller primary HTTP{s) port
Answer: D
NEW QUESTION # 41
What are two recommendations for servers in an Events Service Cluster? (Choose two.)
- A. Should have eight or more CPU cares,
- B. Should be on the same local network,
- C. Should have identical hardware specifications.
- D. Should be running the same operating system version
- E. Should be installed using the same user account,
Answer: B,C
Explanation:
Explanation
According to the Cisco AppDynamics Professional Implementer (CAPI) documents, the two recommendations for servers in an Events Service Cluster are:
Should be on the same local network : This is a valid recommendation because the Events Service Cluster is based on Apache Cassandra, which is a distributed database that relies on network communication between the nodes. Having the servers on the same local network reduces the network latency and improves the performance and reliability of the cluster. The network bandwidth should be at least 1 Gbps, and the network firewall should allow the required ports for the Events Service Cluster12.
Should have identical hardware specifications (D): This is a valid recommendation because the Events Service Cluster is horizontally scalable, which means that the nodes share the data storage and processing load equally. Having identical hardware specifications for the servers ensures that the cluster is balanced and efficient, and avoids performance bottlenecks or failures due to hardware differences. The hardware specifications should meet the minimum requirements for the Events Service Cluster, such as CPU cores, RAM, disk space, and disk type12.
The incorrect options are:
Should be installed using the same user account (A): This is not a valid recommendation because the Events Service Cluster does not require the same user account for installation. The user account that is used to install the Events Service Cluster should have sudo privileges on the target hosts, but it does not have to be the same for all the hosts. The user account that is used to run the Events Service Cluster should have read and write permissions on the installation directory, but it does not have to be the same for all the hosts either12.
Should have eight or more CPU cores (B): This is not a valid recommendation because the Events Service Cluster does not require eight or more CPU cores for the servers. The minimum requirement for the CPU cores is four, and the recommended requirement is six. Having more CPU cores may improve the performance of the cluster, but it is not a mandatory recommendation12.
Should be running the same operating system version (E): This is not a valid recommendation because the Events Service Cluster does not require the same operating system version for the servers. The Events Service Cluster supports various Linux operating systems, such as CentOS, Red Hat, Ubuntu, and SUSE. The operating system version should be compatible with the Events Service version, but it does not have to be the same for all the hosts12.
References:
1: Events Service Requirements - AppDynamics
2: Events Service Deployment - AppDynamics
NEW QUESTION # 42
Which URL retrieves all AppDynamics business applications from an AppDynamics Controller using the AppDynamics Rest API?
- A. http(s)://<cantroller-host=:<part=/controller/rest/businessapplications
- B. httpis)://<controller-host>:<port>/controller/rest/applications
- C. http(s)://<controller-host>:<port>/controller/applications
- D. http(s)://<controller-host>:<port>/controller/allapplications
Answer: B
Explanation:
Explanation
The AppDynamics Rest API allows you to retrieve information and perform operations on the AppDynamics platform using HTTP requests. To retrieve all AppDynamics business applications from an AppDynamics Controller using the AppDynamics Rest API, you need to use the following URL format:
http(s)://<controller-host>:<port>/controller/rest/applications
This URL returns the business application names and internal numeric identifiers for all the applications that are monitored by the Controller. You can use the application name or ID as a parameter for other API methods that require the application context. You can also specify the output format as XML (default) or JSON by adding the output query parameter. For example:
http(s)://<controller-host>:<port>/controller/rest/applications?output=JSON This URL returns the same information as the previous one, but in JSON format. You can also filter the applications by their status (alive or not) by adding the time-range-type query parameter. For example:
http(s)://<controller-host>:<port>/controller/rest/applications?time-range-type=BEFORE_NOW&duration-in-mi This URL returns only the applications that are alive in the last 60 minutes. An alive application is an application with at least one node that submits at least one metric to the Controller in the provided time range12. References: Application Model API, Metric and Snapshot API
NEW QUESTION # 43
Which two AppDynamics user permissions should an administrator configure in order to protect private data such as credit card numbers? (Choose two.)
- A. Error Detection
- B. Policies
- C. Diagnostic Data Collectors
- D. SQL Bind Variables
- E. Monitoring Level
- F. Memory Monitoring
Answer: C,D
Explanation:
Explanation
AppDynamics can collect sensitive data such as credit card numbers from various sources, such as SQL queries, error messages, HTTP headers, cookies, and so on. To protect this data from unauthorized access or exposure, an administrator should configure the user permissions for the following features:
SQL Bind Variables: This feature enables the agents to capture the values of the parameters that are passed to SQL queries. These values can contain sensitive data such as credit card numbers, passwords, or personal information. To prevent this data from being stored or displayed in the Controller UI, the administrator should disable the Capture SQL Bind Values permission for the users who do not need to see this data. Alternatively, the administrator can enable the Mask SQL Bind Values permission, which replaces the values with asterisks (*) in the UI. The administrator can also configure the agent properties to exclude or mask certain bind variables based on patterns or keywords1.
Diagnostic Data Collectors: This feature enables the agents to collect additional data from the application code, such as method arguments, return values, HTTP headers, cookies, and so on. These data can also contain sensitive information that should not be exposed to unauthorized users. To control the access to this data, the administrator should disable the View Diagnostic Data Collectors permission for the users who do not need to see this data. The administrator can also configure the agent properties to exclude or mask certain data collectors based on patterns or keywords2.
Other features that can collect sensitive data and require user permissions are Error Detection, Memory Monitoring, and Policies. However, these features are less likely to capture credit card numbers than SQL Bind Variables and Diagnostic Data Collectors. Therefore, the best answer is option C and E. References: Sensitive Data Collection and Security, SQL Bind Variables, and Diagnostic Data Collectors in the AppDynamics documentation.
NEW QUESTION # 44
The AppDynamics Controller is instrumented by an internal, out-of-the-box, AppDynamics Java agent. Which account and user name are used to connectto the Controller to view theinformation provided by the internal AppDynamics agent?
- A. The account is 'system' and the user is "root.
- B. The account is 'root' and the user is 'admin'.
- C. The account is 'customer!' and the user is 'root'.
- D. The account is internal' and the user is 'admin'.
Answer: A
Explanation:
Explanation
The AppDynamics Controller is instrumented by an internal, out-of-the-box, AppDynamics Java agent that monitors the performance and health of the Controller itself1. To access the information provided by the internal agent, you need to log in to the Controller UI with the following credentials2:
Account = system
Username = root
Password = <root_user_password>
The system account is a special account that is used only for internal monitoring and troubleshooting purposes. It is not visible in the normal Controller UI and requires a special URL to access it2. The root user is the default administrator user for the system account and has the same password as the admin user for the customer1 account3. References: Controller Self-Monitoring, Monitoring a Controller Using the Internal Monitoring Agent, Controller Accounts
NEW QUESTION # 45
The Database Agent collects hardware metrics from a Windows database server using_________ . (Choose the correct option to complete the sentence.)
- A. Standalone Machine Agent
- B. WHI
- C. PowerShell
- D. SSH
Answer: C
Explanation:
Explanation
The Database Agent collects hardware metrics from a Windows database server using PowerShell
1. PowerShell is a scripting language and a command-line shell that allows the Database Agent to execute commands and access Windows Performance Counters on the target host12. The Database Agent uses PowerShell to collect metrics such as CPU, memory, disk, and network utilization from the Windows database server1. To enable hardware monitoring for a Windows database server, the Database Agent requires the following permissions1:
The user that runs the Database Agent must have permission to execute PowerShell scripts on the local machine.
The user that runs the Database Agent or the Collector Service user (if using Windows Authentication) must have permission to establish a WMI connection to the target host and collect Windows Performance Counters. References: Required Monitored Host Permissions, PowerShell Overview
NEW QUESTION # 46
Which two user accounts are created by the AppDynamies Controller during installation? (Choose two.)
- A. MySQL appd admin user
- B. OS user that will run the controller
- C. REST API user
- D. Customer-specified Controller administrator account
- E. GlassFish asadmin user
- F. Elastic search root user
Answer: D,E
NEW QUESTION # 47
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