Which type of synthetic transaction would you configure to verify that your ISP’s SMTP Smart Host was available to route outgoing email traffic?



Question:

Which type of synthetic transaction would you configure to verify that your ISP’s SMTP Smart Host was available to route outgoing email traffic?
A. OLE DB data source
B. Windows Service
C. Web application availability
D. TCP Port

Correct answer: D


A. Incorrect: You use this type of synthetic transaction to verify that an OLE DB compatible database is responding to remote queries.
B. Incorrect: You use this type of synthetic transaction to verify that a service is running.
C. Incorrect: You use this type of synthetic transaction to verify that a web application is responding to requests.
D. Correct: You use this type of synthetic transaction to verify that a TCP Port, such as port 25 on an SMTP smart host, is available.