Which of the following statements is true regarding custom connectors in Power Apps?

The statement that public custom connectors require Microsoft certification is true because Microsoft has established a certification process for public connectors to ensure they meet specific standards and quality criteria. This certification is essential for connectors that will be shared publicly within the Power Platform ecosystem, as it provides users with assurance regarding the functionality, reliability, and security of the connector.

Certification helps maintain a high standard for integrations that can be utilized by a broader audience, allowing developers and businesses to trust the custom connector's performance and compliance with Microsoft guidelines. This process is part of Microsoft's commitment to fostering a secure and efficient environment for users leveraging Power Apps and its networking capabilities.

The other statements do not hold true in the context of custom connectors. For example, while custom connectors can certainly enhance functionality, they are not mandatory for all scenarios, as users can often build applications without the need for additional connectors. Additionally, custom connectors do not automatically certify upon creation; the certification process requires active submission and evaluation by Microsoft.