Which two statements are true about the Global Enqueue Service, Instance Locks, and global enqueues...

Global Enqueues and Instance Locks replace mutexes completely in RAC database instances.

Global Enqueues may have converters and waiters in the same instance.

Global Enqueues may have owners and waiters in the same instance.

Global Enqueues and Instance Locks replace latches completely in RAC database instances.

In a RAC database, there is no LMDO process if only one instance is running.

In a RAC One Node database, there is no LMD) process if only one instance is running.