ASDL Execution

Hi All, please help me understanding the ASDL Execution.

1.what happens when a ASDL is submitted for execution, but the NE does not respond back with an execution status? how long does the ASDL wait before failing?

2.what happens when SARM tries to initiate an unavailable connection (MAX_CONNECTIONS > available resources), is the ASDL failed or retried and is the retry impacted by ASDL retry_count?

3.I encountered this point in the documentation "Note :All stored procedures that are accessed through ASAP APIs must return 0 to indicate if there is an open database cursor inside the stored procedure that needs to be closed by the ASAP C code later. If a stored procedure opens a database cursor and sends it back to the ASAP API, then the ASAP API needs to handle the closing of the connection, otherwise the connection stays open indefinitely. This may cause the ASAP system to crash when the maximum available connections are exceeded." , what do I check to ensure