C_CPI Integration Suite Development Practice Question
An integration developer needs to expose a Cloud Integration flow so that an external partner can invoke it synchronously over HTTPS with a JSON payload. The partner will authenticate using a client certificate. Which adapter type and authentication option should the developer configure?
⚠ Common exam trap
The trap here is selecting an adapter based on the authentication method alone, when the adapter type must first match the synchronous HTTPS JSON invocation pattern.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
An HTTPS sender adapter with Client Certificate authentication and a dedicated user mapped to the partner's certificate.
Exposing a flow for synchronous HTTPS invocation by an external partner with certificate-based authentication requires the HTTPS sender adapter configured for Client Certificate authentication. The partner's certificate is mapped to a user, and the adapter validates it on each call. Other sender adapters either poll for files, expose specific protocols like OData or SOAP, or use different authentication schemes, so none matches the JSON-over-HTTPS with client certificate requirement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
A SOAP sender adapter with WS-Security Username Token authentication.
Why it's wrong here
A SOAP sender adapter expects SOAP envelopes and WS-Security headers, not plain JSON payloads. Username Token authentication uses credentials rather than client certificates. Although it is an inbound synchronous adapter, it does not satisfy the JSON and certificate requirements, making it unsuitable for this partner integration.
- ✗
An OData sender adapter with OAuth 2.0 client credentials and a scope check.
Why it's wrong here
An OData sender adapter exposes an OData service, not a generic synchronous HTTPS endpoint accepting arbitrary JSON. OAuth 2.0 client credentials would require the partner to obtain a token, which is not the certificate-based authentication specified. The adapter type and authentication option both diverge from the stated requirement.
- ✗
An SFTP sender adapter with public key authentication and a polling schedule.
Why it's wrong here
An SFTP sender adapter polls a directory for files and is not invoked synchronously by a partner over HTTPS. Public key authentication applies to SFTP sessions, not to inbound HTTP calls. This adapter type cannot expose a synchronous JSON endpoint, so it does not meet the requirement regardless of the authentication method chosen.
- ✓
An HTTPS sender adapter with Client Certificate authentication and a dedicated user mapped to the partner's certificate.
Why this is correct
The HTTPS sender adapter accepts inbound synchronous calls, and Client Certificate authentication validates the partner's certificate against a configured user mapping. This matches the requirement for certificate-based authentication over HTTPS. It is the standard way to expose a flow for synchronous partner invocation with mutual TLS, ensuring only holders of the trusted certificate can call the endpoint.
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed September 2026 · checked against the official SAP exam blueprint
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