A ring buffer is a logging technique for applications whereby the relevant data to be logged is kept in memory instead of writing it to a file on a disk every time.
A CNF can be used, for example, if the remote queue manager's certificate was signed by a ca, and only the ca's certificate is in the local queue manager's key ring.
Inthering he may exhibit reserve or lack of enthusiasm, but any sign of shyness is unacceptable and must be severely faulted as inappropriate for a guardian breed.