The correct capabilities of the **Service Cloud (Customer) portal** are:

**A. Customers can log, view, edit, and close their own cases.**
- **True.** The **Customer Portal** in Service Cloud allows customers to log new cases, view existing cases, edit case details, and even close their own cases. This provides customers with the ability to manage their own service requests efficiently.

**C. The portal can be customized with corporate branding.**
- **True.** The **Service Cloud portal** can be customized to reflect a company's branding, including logos, color schemes, and layout to match corporate standards and provide a personalized experience for the customers.

The other options are less accurate or not true:

**B. Customers can view and edit contacts related to their own accounts.**
- **False.** Customers typically have access only to their own cases and relevant data in the portal. They do **not** generally have the ability to view or edit contacts related to their accounts unless specifically configured in a custom solution or by granting additional permissions.

**D. The portal and its users can be created without additional licenses.**
- **False.** Creating a **Customer Portal** or **Community** typically requires additional licenses, such as a **Customer Community** or **Partner Community** license, depending on the type of portal and the features needed.

### Correct Answers:
- **A. Customers can log, view, edit, and close their own cases.**
- **C. The portal can be customized with corporate branding.**...