C_CPI_15 SAP Certified Development Associate - SAP Integration Suite Questions and Answers

To use an HTTPS endpoint from an integration flow, you can use the Open Connectors capability within SAP Integration Suite. Open Connectors is a feature that allows you to connect to over 160 third-party applications using standardized and normalized APIs. You can use the HTTP client connector to make HTTP or HTTPS requests to any endpoint that supports these protocols. You can configure the HTTP client connector with various parameters, such as URL, method, headers, query parameters, body, and authentication. References: Open Connectors | SAP Help Portal, HTTP Client Connector | SAP Help Portal

Representational State Transfer (REST) is an architectural style for designing web services that are based on the stateless exchange of resources. REST uses uniform and predefined methods, such as GET, POST, PUT, and DELETE, to manipulate resources identified by URIs. REST also supports different formats for data representation, such as XML, JSON, or plain text. References: Integration Software | SAP Integration Suite, Modernize Integration with SAP Integration Suite | openSAP

To find out which entity sets are available in the OData V2.0 interface, you must retrieve the metadata document from the interface. The metadata document is an XML document that describes the data model of the OData service, including the entity types, entity sets, associations, functions, and actions. The metadata document can be accessed by appending $metadata to the service root URL of the OData service. For example, if the service root URL is https://services.odata.org/OData/OData.svc/, then the metadata document URL is https://services.odata.org/OData/OData.svc/$metadata. The metadata document can be used to discover the structure and capabilities of the OData service and to generate client code or proxies. References: Overview (OData Version 2.0) | OData - The Best Way to REST, OData API v2 Reference | SAP Help Portal

The maturity levels of the SAP Integration Solution Advisory Methodology are as follows:

• Assess your integration strategy. This level helps you evaluate your current integration landscape and identify the gaps and challenges that need to be addressed.
• Design your hybrid integration platform. This level helps you define your target integration architecture and select the best-fit integration technologies and tools for your scenarios.
• Implement your integration architectural strategy. This level helps you execute your integration projects and deliver value to your business.
• Enable your integration structure. This level helps you establish a governance model and best practices for your integration operations and maintenance. References: Integration Software | SAP Integration Suite, Modernize Integration with SAP Integration Suite | openSAP

To test a connection to a backend system that is provided by a Cloud Connector, you must specify the location ID as a parameter for the connection test. The location ID is a unique identifier that represents a Cloud Connector instance in a specific network location. It is used to route requests from SAP Integration Suite to the correct Cloud Connector instance and then to the backend system. You can find the location ID in the Cloud Connector administration UI under Configuration Location ID. References: Cloud Connector Connectivity Tests | SAP Help Portal, Cloud Connector Configuration | SAP Help Portal

If no namespace mapping exists, you must remove the namespaces to access individual entities of an HTTP call over XPath. Namespaces are prefixes that identify the source or context of an XML element or attribute. If the namespaces are not mapped to a URI, they can cause errors or conflicts when using XPath expressions. Therefore, you must remove the namespaces before applying XPath queries.   

Modernize Integration with SAP Integration Suite | openSAP

The messaging model of the Apache Camel Data Model consists of three parts: header, body, and attachment. The header contains information related to the message, such as addressing, routing, or metadata. The body contains the payload or the content of the message. The attachment contains optional data that can be attached to the message, such as files or images. The Apache Camel Data Model is used by SAP Integration Suite to process messages of any format using various components and data formats. References: The Camel Data Model in a Nutshell | SAP Help Portal, Data Formats :: Apache Camel

An HTTPS inbound adapter is an adapter that allows an integration flow to receive messages from external systems using the HTTPS protocol. OAuth 2.0 authentication is a method of authentication that allows clients to access protected resources on behalf of a resource owner by obtaining an access token from an authorization server. To configure an HTTPS inbound adapter with OAuth 2.0 authentication, you must do it in the integration flow where you define the adapter settings. You can choose OAuth 2.0 as the authentication type and specify the required parameters, such as client ID, client secret, token URL, scope, and so on. You can also configure additional security options, such as SSL certificate, CSRF protection, and CORS policy. References: Using Adapter Inbound Security - SAP Learning, Set Up Inbound OAuth Client Credentials Grant Authentication for Senders Calling Integration Flows with SAP-Generated Certificate | SAP Tutorials

An API proxy is an API that acts as a proxy for another API, which is usually the backend service that provides the actual functionality. An API proxy can be used to add security, monitoring, caching, transformation, and other features to the backend API. An API provider is a logical grouping of APIs that share a common connection to the backend service. An API provider can be used to discover and import APIs from the backend service into the API Management capability within SAP Integration Suite. The relationship between an API provider and an API proxy is that the API proxy uses the API provider as a source of information and configuration for accessing the backend service. The API proxy also provides a unique URL that can be used by clients to invoke the API without exposing the details of the backend service. References: SAP Integration Suite | SAP Community, Create an API Proxy | SAP Tutorials

To access the payload in a Groovy script, you must use the message object and call the getBody() method on it. The message object represents the current message that is being processed in the integration flow. It has methods to get and set the message body, headers, properties, and attachments. The getBody() method returns the message body as an object of the specified type, such as java.lang.String, java.io.InputStream, or org.w3c.dom.Document. References: General Scripting Guidelines | SAP Help Portal, Message | SAP Help Portal

To save a customer ID in a data store, you can use the WRITE operation. The WRITE operation allows you to store a value in a data store entry with a specified key. You can use the WRITE operation to create or update a data store entry with a customer ID as the key and a value as the payload. References:  Modernize Integration with SAP Integration Suite | openSAP

To avoid duplicate entries when using a Data Store Operation of the type Write, you must select the Overwrite Existing Message parameter. The Overwrite Existing Message parameter allows you to overwrite an existing data store entry with the same key if it already exists. If you do not select this parameter, the Write operation will fail if there is a duplicate key in the data store. References:  Modernize Integration with SAP Integration Suite | openSAP

 In the Cloud Integration capability within SAP Integration Suite, XML is the internal message format that is used. XML stands for Extensible Markup Language and is a standard format for representing structured data. All messages that are processed by the Cloud Integration capability are converted to XML internally and then transformed to the desired format at the outbound channel. References:   Modernize Integration with SAP Integration Suite | openSAP

A possible reason why the API proxy returns an HTTP status of 401 after setting up a basic authentication policy is that in the AssignMessage policy, the AssignTo tag has the type=“response”. This means that the basic authentication value is assigned to the response header instead of the request header. This will cause an authentication failure when calling the backend server or service that requires basic authentication. To fix this issue, you should change the type attribute of the AssignTo tag to type=“request”. This will ensure that the basic authentication value is assigned to the request header before sending it to the target endpoint. References: Basic Authentication | SAP Help Portal, Assign Message Policy | SAP Help Portal

To prevent overload in an OData request and reply call, you can use paging. Paging is a technique that allows you to retrieve a large number of data sets in smaller chunks or pages. You can use the OData query options $top and $skip to specify how many records you want to fetch and how many records you want to skip in each request. This reduces the network load and improves the performance of the OData service. References: OData API | SAP Help Portal, SAP Integration Suite: enrich a payload with OData Service | SAP Blogs