Which three statements regarding Inventory List Locks are true? (Choose three.)
A.
The lock prevents an installation from changing a list being used concurrently by another installation.
B.
Inventory List Locks prevent unauthorized users from applying patches to the Oracle software.
C.
The Oracle Universal Installer (OUI) employs a timed lock on the inventory list stored on a node.
D.
When multiple concurrent installations are started, the OUI displays an "Unable to acquire a writer lock on nodes …" error message.