What is NOT a prerequisite for Adobe Campaign Server installation on a Windows Server?

A client has a user created specifically for making API calls. The client does NOT want to create a new session token for each call.
How should the Campaign developer configure the operator to accomplish this request?

An alert from the /nl/jsp/monitor.jsp web page is shown below:
"Alert concerning the memory consumption of a process; nlserver web -noconsole -tracefile:web@default
-instance:default -detach -tomcat -autorepair"
Which command should be used to recover the system to a healthy state?

A marketer uses a custom Recipient field to store an email address.
What changes, if any, must be made to send emails to seeds?

An Adobe Campaign Classic Developer needs to decide on the best approach to integrate with an external recipient table from a SQLServer database. The solution needs to be able to do a daily data sync of the newly detected recipient records into the Adobe Campaign database and append additional data fields.
The IT department of the external database is able to provide the database connection details but does not have enough capacity to implement any other custom processing solution.
Which integration option should the Developer choose for this scenario?