Important IBM C1000-138 Exam Questions

Answer: C

Explanation:

API Properties: In IBM API Connect, API properties are configuration settings that can be used to customize the behavior of APIs. These properties can be defined at various levels, including the API, Product, and Catalog levels.

Catalog-Specific Values: A property can be assigned a specific value for each Catalog. This allows for different configurations and behaviors of the same API when deployed in different Catalogs. For example, an API might have different endpoint URLs or security settings in development, testing, and production environments.

Runtime Changes: While some properties can be modified at runtime, this is not a general rule for all API properties. The ability to change property values at runtime depends on the specific property and its configuration.

Pre-defined Properties: API properties can be both pre-defined and custom-defined. Pre-defined properties are provided by IBM API Connect, while custom properties can be created by API developers to suit specific needs.

Spaces and Properties: If Spaces are enabled, properties can indeed have Space-specific values. This allows for further granularity in configuration, enabling different settings within the same Catalog based on the Space.

IBM API Connect documentation on API properties and their configurations.

Best practices for managing API properties in IBM API Connect.

Answer: D

Explanation:

$ref Usage: The$refkeyword is used in OpenAPI (formerly Swagger) specifications to reference reusable components, such as schemas, parameters, and responses, defined elsewhere in the document or in external files.

Replacement Mechanism: When an API is published, the$refis processed and replaced with the actual contents of the referenced file or component. This allows for modular and maintainable API definitions, where common elements can be defined once and reused across multiple APIs.

YAML and JSON: The$refkeyword can be used in both YAML and JSON files, which are common formats for defining OpenAPI specifications. It is not limited to YAML files.

Location Flexibility:$refcan be defined at various levels within the YAML or JSON file, not necessarily at the root level. It can be used within objects, arrays, and other structures as needed.

Gatewayscript: While Gatewayscript can include external files, it does not use the$refkeyword in the same way as OpenAPI specifications. Gatewayscript has its own mechanisms for including and referencing external scripts.

IBM API Connect documentation on OpenAPI specifications and the use of$ref.

General principles of API design and modularization using OpenAPI.

Answer: C

Explanation:

To add a user that was previously removed from a Provider organization that uses a Local User Registry (LUR), the user must re-register using the invitation link sent by the Provider organization owner or a user with the appropriate role. This ensures that the user is added back to the organization with the correct permissions and settings.

IBM API Connect: Managing Users in Local User Registries

IBM API Connect: Inviting Users to Organizations

Answer: A

Explanation:

In IBM API Connect, each API is associated with a specific gateway type, and only one gateway type is allowed per API. The v5c-gateway and datapower-api-gateway are different gateway types, and a single API cannot simultaneously support both types. If a developer wants to support multiple gateways, they must create separate APIs for each gateway type.

IBM API Connect v10.0.3 Documentation

Answer: B, D

Explanation:

In IBM API Connect v10.0.3, a Consumer organization represents a group of users who consume APIs published to a Catalog. There are two primary ways to create a new Consumer organization:

Create the Consumer organization with a specific owner. The user will specify the title (B): In this method, the Consumer organization is created by an administrator, who specifies the owner. After the organization is created, the owner can then specify additional details, such as the organization's title. This approach allows the administrator to delegate the customization of the organization title to the owner.

Create the Consumer organization, specifying the owner and title (D): In this case, the administrator creating the Consumer organization specifies both the owner and the title at the time of creation. This method provides complete control over the organization's creation, allowing both the owner and the title to be set during the initial configuration.

These methods allow flexibility in how organizations are set up, either by allowing the owner to define certain details or by having everything specified during creation by the administrator.

IBM API Connect v10.0.3 - Now Available

IBM API Connect Documentation