November 02, 2022

Top 20 AWS AppFlow Interview Questions and Answers


Ques: 1). Amazon AppFlow: What is it?


With just a few clicks, you can securely move data between Software-as-a-Tool (SaaS) programmes like Salesforce, Marketo, Slack, and ServiceNow and AWS services like Amazon S3 and Amazon Redshift using Amazon AppFlow, a fully managed connection service. You may perform data flows with AppFlow on a schedule, in reaction to a business event, or on demand, and at almost any size. To create rich, usable data as part of the flow itself, without additional steps, you may enable strong data transformation features like filtering and validation. For SaaS apps that are linked with AWS PrivateLink, AppFlow automatically encrypts data in motion and enables users to block data from travelling over the public Internet, reducing exposure to security threats.


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Ques: 2). Which AWS services is Amazon AppFlow compatible with?


Amazon S3, Amazon RedShift, Amazon Connector Customer Profiles, Amazon Lookout for Metrics, and Amazon Honeycode are among the AWS services that are supported, and we're always adding more.

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Ques: 3). What extra value can AppFlow provide given that my SaaS application already has access to public APIs?


While developers may accomplish a variety of basic integration tasks using the public APIs from SaaS apps, AppFlow saves clients time by enabling anybody who prefers not to write code and get familiar with the API documentation of all the different SaaS services to do so. Custom connections are replaced with the fully managed API integration service known as AppFlow. To coordinate and carry out the flows, it sets up computing, storage, and networking resources. It also handles API authorization with the SaaS application, controls the lifecycle of access tokens, and manages API keys. Finally, it processes data as part of the flow.


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Ques: 4). What advantages does AppFlow offer?


By using AppFlow, you may avoid spending a lot of money and hiring highly qualified developers to create and manage unique API connections for AWS services that exchange data with SaaS apps. The majority of the integrations that SaaS application administrators and business analysts require may be easily implemented without having to wait months for IT to complete integration projects. Particularly, the advantages consist of:

Swiftness and adaptability: With Amazon AppFlow, you can integrate apps in a matter of minutes rather than waiting days or weeks for specialised connections to be created. There is no coding or maintenance required for features like data pagination, error reporting, and network connection retries because they are present by default. Data flow quality is embedded into Amazon Appflow, and you may improve the flow of data by masking, mapping, merging, filtering, and validating the data as it moves through the flow.


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Ques: 5). How do I configure the encryption keys?


Your data is always secured with AppFlow, both in transit and at rest. Your AWS managed customer master key (CMK) will be used by default by AppFlow for encryption. Additionally, you have a choice of client controlled CMKs for encryption, or managed keys. Utilizing the AWS Key Management Service, create custom keys (KMS). Once configured, your unique key is immediately used for creating flows.

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Ques: 6). Should I use AWS DataSync or AppFlow when?


AWS DataSync is designed to transfer massive volumes of data in bulk for processing, backup, and disaster recovery between on-premises data sources and the AWS Cloud. When one-time or recurring transfers of tens or hundreds of gigabytes are commonplace, AWS DataSync is the best option. At this size, maximising network capacity and attaining high throughput are required. In contrast, SaaS apps and AWS services exchange data through the usage of AppFlow. The operational data flows that may be started by a person, an event, or a schedule are what AppFlow is made for.

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Ques: 7). When should I utilise Amazon EventBridge versus AppFlow?


Developers may create event-driven apps that communicate with SaaS applications and AWS services using Amazon EventBridge. SaaS programmes that have connected with EventBridge provide events to the client's event bus, where they may be forwarded to processing destinations like Amazon EC2 instances or Lambda functions. With a point-and-click user interface, AppFlow provides bi-directional data transmission between SaaS apps and AWS services that may be started by people using a UI, a schedule, or events.

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Ques: 8). How do I begin using AppFlow?


Go to the AWS Management Console and choose the Services menu, then choose AppFlow. The AppFlow home page will then be shown. The steps listed below may be used to establish and configure a Flow by an authorised IAM user:

Link the source and destination of your data. To begin, give your flow a name and select a source and destination from the list of integrated application sources.

Select your data flow trigger from the following options: on demand flows, scheduled flows, and event-based flows, which are triggered by business events like the creation of a sales opportunity or a change in a support ticket's status.

Field mapping may be configured inside AppFlow, or for data sets with a lot of fields, a csv file with bulk field mappings can be uploaded. Add data field transformations as an option, such as hiding private financial data or merging first and last names.

Add optional data filters, such as incorporating only new or chosen data fields in your flow, and validations, such as verifying that numerical fields contain numbers.

Finish - Click Create Flow to start your data flowing based on the triggers you specified. You may always go back to your dashboard to analyse and troubleshoot data flows.

Data is sent between the data source and the data target while AppFlow also executes the chosen transformations and keeps track of the processing. For automation, security, and monitoring, AppFlow connects with core AWS services including AWS PrivateLink, AWS KMS, and Amazon CloudTrail.


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Ques: 9). Is it possible to install AppFlow using CloudFormation templates?


In every country where Amazon AppFlow is offered, AWS CloudFormation functionality is accessible. Visit our documentation to find out more about how to manage and provision Amazon AppFlow resources using AWS CloudFormation.

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Ques: 10). When should I use AWS Glue or AppFlow?


Data engineers may easily prepare and load data stored on AWS for analyses using the managed ETL solution offered by AWS Glue. From JDBC-compliant data sources (databases), it builds a data catalogue that makes metadata accessible for ETL as well as querying through Amazon Athena, Amazon EMR, and Amazon Redshift Spectrum. With the help of AppFlow, users in lines of business may create data integration without writing any code by connecting to API-based data sources.

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Ques: 11). Does AppFlow need AWS PrivateLink to connect to SaaS applications?


No. If AWS PrivateLink is not enabled, AppFlow will interface with the open API endpoints of SaaS apps.

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Ques: 12). What are the trigger mechanisms available for flows?


You can run flows on demand, based on business events, or on a schedule:

On Demand: Run data flows on demand, as soon as you click “Run Flow” to do bulk transfers or tests,

Event-based: Run data flows in response to business events like the creation of a sales opportunity, the status change of a support ticket, or the completion of a registration form.

Scheduled: Run data flows at a routine schedule at the time interval you choose to keep data in sync, or run flows routinely.

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Ques: 13). What SaaS integrations may I use as a source or destination?


Numerous sources are supported by AppFlow, including Salesforce, SAP, Marketo, Zendesk, and Slack. As destinations for flows, it supports Salesforce, Amazon S3, Amazon RedShift, and Snowflake.


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Ques: 14). What benefits does AppFlow provide?


Privacy and security: AppFlow encrypts data both in transit and at rest for security and privacy. Data encryption is possible using AWS managed keys or external custom keys. Using Amazon VPC endpoints made possible by AWS PrivateLink, customers may additionally restrict the amount of data that is sent over the open Internet. This reduces the possibility of sensitive data leaks and the threat from Internet-based assaults.

Scalability: AppFlow grows up without the requirement for resource planning or provisioning, allowing you to transport enormous amounts of data without having to divide it up into separate batches. You can quickly move millions of Salesforce records or Zendesk tickets with Amazon AppFlow while only running one flow.

Reliability: To avoid any single points of failure while operating within the robust AWS infrastructure, AppFlow adopts a highly available design with redundant, segregated resources.


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Ques: 15). Do AppFlow and CloudTrail work together?


Yes. Simply enable CloudTrail in the AWS Management Console to retrieve a history of AppFlow API calls made on your account.

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Ques: 16). What are some examples of Flows that I can configure using Amazon AppFlow?


  • AppFlow gives you the flexibility to configure their own Flows. Some examples of flows include:
  • Create a copy of a Salesforce object (i.e. opportunity, case, campaign) in Amazon S3.
  • Send case tickets from Zendesk into an Amazon Redshift table.
  • Hydrate an Amazon S3 data lake with transactional data from SAP S/4HANA ERP.
  • Push records from a CSV file in Amazon S3 into a Salesforce account, contact, or lead object.
  • Transfer results such as lead scores and account churn risk scores from Amazon S3 to Salesforce.


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Ques: 17). Do you have a service level agreement for AppFlow?


Yes. During any monthly payment cycle, AWS shall make commercially reasonable efforts to make AppFlow accessible with a Monthly Uptime Percentage for each AWS region of at least 99.9%.


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