C_CPE_2409 SAP Certified Associate - Backend Developer - SAP Cloud Application Programming Model Questions and Answers

Comprehensive and Detailed Explanation

SAP BTP Cloud Foundry runtime is aPlatform-as-a-Service (PaaS)that provides:

Fully managed multi-language runtimes (Node.js, Java, Python, Go)

Buildpacks to build container images

Autoscaling and health management

Route-based load balancing

Secure isolation of application environments

Service binding for XSUAA, Destinations, HANA Cloud, etc.

Its primary purpose is to runcloud-native, 12-factor applications.

Why the Other Options Are Incorrect:

A:S/4 configuration is done via SAP GUI/Fiori, not Cloud Foundry.

C:HANA databases are managed through SAP HANA Cloud administration tools, not Cloud Foundry.

D:Integrations use SAP Integration Suite or API Management, not Cloud Foundry runtime.

SAP guarantees thatpublic APIs, CDS views, business events, and OData servicesexposed as “whitelisted” or “released” remainstable and backward compatibleacross quarterly upgrades.

Therefore:

Extensions built on these APIs continue functioning regardless of SAP internal changes.

SAP ensures upgrade compatibility through semantic versioning and API lifecycle policies.

Side-by-side and in-app extensibility both rely on stable released interfaces.

Thusoption C is the fundamental reasonwhy extensions remain unaffected.

Why the Others Are Incorrect:

A:The VDM may evolve, but stability is guaranteed only forreleased interfaces, not the whole VDM.

B:Running on BTP alone does not guarantee stability—stability comes from SAP’s API contract guarantee.

D:There is no mechanism that “freezes” APIs; SAP maintains them as stable by contract.

Comprehensive and Detailed Explanation

AMultitarget Application (MTA)is the SAP-recommended packaging format for complex applications that involve multiple modules (for example, CAP service, UI, XSUAA, destination service). MTAs are deployed as .mtar archives using theCloud MTA Build Tool (mbt)anddeploy service.

Correct Options:

C – Using SAP Business Application Studio

SAP Business Application Studio includes:

A graphical MTA builder

Built-in Cloud MTA Build Tool

Deployment integration with SAP BTP

Wizards for generating mta.yaml

Developers can simply right-click the project →Build MTA→Deploy MTA Archive.

D – Manually creating and deploying the mta.yaml file

Developers can:

Write or update the mta.yaml (the deployment descriptor).

Use the Cloud MTA Build Tool to build the .mtar.

Deploy using the Cloud Foundry deploy service (cf deploy .mtar).

This is a fully supported and widely used approach.

Why the Other Options Are Incorrect:

A – SAP HANA Cloud tools:

These tools manage HANA databases, not MTAs.

B – cf push:

cf push deploys asingle module.

MTAs must be deployed viadeploy service, not cf push.

CAP development guidelines recommendSQLiteas the default database for local development because:

It requires no installation.

It supports CDS features needed for rapid prototyping.

It enables quick testing without deploying to SAP HANA.

For productive deployments, SAP HANA or SAP HANA Cloud is used, but SQLite remains the recommended local option.

Incorrect choices:

A – NoSQL:CAP does not support NoSQL databases as primary stores.

C – PostgreSQL:Supported via adapters, butnotthe recommended development default.

D – HANA Cloud:Used for production, not recommended for local development.

A Kubernetesworker nodetypically includes:

Container Runtime (C):Runs application containers (e.g., containerd).

kube-proxy (D):Manages node-level networking and routing.

kubelet (E):Communicates with control plane, manages containers on the node.

Incorrect options:

A – service-mesh:An add-on, not a core worker-node component.

B – etcd:Part of thecontrol plane, not workers.

OData protocol specifies:

PATCH is used for partial updates, where only changed fields are provided.

PUT performs complete replacement of an entity.

POST is used for create operations or invoking actions.

Thus, partial updates in OData use the PATCH method.

In SAP’s CI/CD service:

You may manually trigger a pipeline without committing changes by selecting “Trigger a Build” in the CI/CD job interface.

This initiates the entire pipeline based on the latest version in the configured repository.

Incorrect options:

A: Sync & Share is not related to triggering builds.

B: Local build tasks do not invoke the CI/CD pipeline.

C: Deploy does not execute the CI/CD pipeline.

The Kyma project (used in SAP BTP, Kyma runtime) is an extension framework that provides modular building blocks to extend applications using Kubernetes-native components. The official Kyma module list includes:

Serverless (A): Provides functions-as-a-service capabilities, enabling lightweight event-driven workloads.

Telemetry (C): Offers logging, metrics, and tracing capabilities enhancing observability.

API Gateway (E): Enables secure and managed exposure of APIs, including authentication and routing.

Incorrect options:

B – Data Warehouse: Not a Kyma module.

D – Storage: Storage is a Kubernetes concept, not a Kyma module.

In CAP:

destinations.json (A):

Used during local development to define destinations mapped to external services. CAP automatically loads these destinations when running locally.

package.json (D):

Contains the requires section where CAP services declare dependencies on external services. This indicates how the destination should be consumed by CAP runtime (e.g., which kind of service is required and where to get credentials).

Incorrect options:

B – manifest.json: Not used in CAP backend runtime.

C – services.xml: Not part of CAP configuration.

In CAP Node.js projects, the .env file is used to store environment variables that influence application behavior at runtime, such as credentials, service endpoints, or configuration flags. It is automatically loaded by CAP during application startup.

CAP guidelines recommend using .env for environment-specific configuration that should not be hard-coded or committed directly into source files.

Incorrect options:

A: Version control settings are handled by Git configuration files.

B: UI settings belong to UI frameworks, not .env.

cds build performs build-time steps such as:

Generating required artifacts (e.g., SQL, EDMX, JSON)

Compiling CDS models into runtime formats

Preparing modules for deployment artifacts (e.g., for MTA)

This aligns with C – compile the application.

Incorrect options:

A: Deployment is done via cf push or mta deployment.

B: Tests run via npm test or cds test.

D: Docker image creation is external (e.g., Docker CLI, buildpacks).

SAP BTP provides:

Integration (A): A full suite of integration services for apps, data, and processes.

Application Development (B): Tools and runtimes for building new extensions or applications.

Extensibility (C): Allows extending SAP S/4HANA Cloud, SuccessFactors, and on-premise systems side-by-side.

Incorrect option:

D – Build tightly coupled applications:

SAP BTP promotes loose coupling, modularity, and clean extension approaches.

Kubernetes command usage:

kubectl create -f <filename>explicitly creates resources defined in the YAML file, including Pods.

While kubectl apply can also create resources, the question asks specifically for the commandused to createa Pod, which aligns withcreate -f.

Incorrect options:

A:kubectl run is used to create pods from images, not YAML files.

B:kubectl get pod is only for listing.

C:apply is for declarative management but not the direct answer for explicit creation.

Comprehensive and Detailed Explanation

The SAP Cloud SDK enhances open-source frameworks for enterprise-grade side-by-side extensions.

B – Multi-tenant persistence

The SDK provides:

Multi-tenant database segregation

Tenant-specific configuration

Automatic resolution of tenant context

Support for SaaS extension scenarios

This feature is essential for SaaS applications built on SAP BTP.

C – Feature toggling

The SDK includes libraries that allow:

Dynamic enabling/disabling of features

Gradual rollout

Canary testing

Tenant-based feature control

This helps enterprise customers deploy new features safely.

Why the Others Are Incorrect:

A – Tightly coupled integration:

SAP strongly promotesloosely coupledarchitectures.

D – Code samples:

The SDK provides samples, but that's not an “enterprise adaptation feature.”

Pods in Kubernetes:

Are the smallest deployable unit (A).

Encapsulate one or more containers (C) that share network and storage namespaces.

Incorrect options:

B: Persistent storage is handled via volumes and claims, not pods.

D: Pods can wrap one or multiple containers; not limited to one.