What are the best practices for installing shower wall cement board?

When installing shower wall cement board, it is important to ensure that the boards are properly secured to the wall studs using screws or nails. It is also recommended to use a waterproof membrane or sealer to protect the cement board from moisture. Additionally, joints between the boards should be sealed with a waterproof tape or sealant to prevent water damage. Lastly, follow manufacturer instructions and local building codes for the best results.