Final answer:
The responsibilities always owned by the customer include data security, physical security, and server maintenance.
Step-by-step explanation:
In any computing model, the responsibilities that are always owned by the customer include:
Data Security: This involves protecting sensitive and confidential data from unauthorized access, ensuring data integrity, and implementing measures such as encryption and access controls.
Physical Security: This refers to safeguarding the physical infrastructure of the computing system, such as the servers and networking equipment, from theft, damage, or unauthorized physical access.
Server Maintenance: This entails managing and updating the servers, including software installations, patches, and regular backups to ensure smooth operation and reliability.