Cisco Exam Questions

What does ‘Line 2" refer to?

In the following line from a CCM trace:
Digit analysis: Add local pattern Line2/1620
What does ‘Line 2″ refer to?

A.
The name of a CSS.

B.
The name of a partition.

C.
The 2nd line of an IP Phone with the extension 1620.

D.
The 1620 directory number registered as the second line on an IP Phone.