What two risks does this process pose?

You have to install a new module on the production environment. All the module is adding a new product attribute. You enabled maintenance mode, copied the module code, run bin/magento setup:upgradeand disabled maintenance mode.

What two risks does this process pose? (Choose two.)
A . It will clean all caches which will cause a performance degradation
B . The new attribute will be invisible on the storefront until the cache is cleaned manually
C . It will void all active sessions
D . It will clean static assets from the pub/staticfolder

Answer: BC