If Apache reaches it's max quantity of connections, or it's max clients, how lengthy does it wait, prior to trying again for connecting the connections that could not connect? Or does it just drop the bond the very first time rather than repeat the process? Whether it does wait, it is possible to setting for your?

Apache only will queue connections into its ListenBackLog. Then when a current connection is performed, Apache will endeavour for everyone the earliest queued connection.

http://httpd.apache.org/docs/2.2/mod/mpm_common.html#listenbacklog

I believe the TimeOut Directive does effect what goes on having a connection within the ListenBackLog queue.

http://httpd.apache.org/docs/2.2/mod/core.html#timeout

If it is been the timeout limit since an association was queued, that connection is dropped.