Which of the following are benefits of the auto assign command? (Choose two)

A.
Eliminates the need to configure ephones.

B.
Eliminates the need to configure ephone-dns.

C.
Can restrict auto registration by phone model.

D.
Automatically configures shared lines.

Explanation:
Pending: C, ?
Not B:
the auto assign command automatically assigns ephone-dns to ephones. Although ephones can automatically receive an ephone-dn from a pre-determined list, it does NOT eliminate the need to CREATE the ephone-dn.
Note:
CME 3.1 Admin Guide Page 50
Setting Up Phones in a CME System Partially Automated Setup Using Router CLI Auto assign command is used to specify a range of ephone-dns to which newly discovered IP phones are automatically assigned
You can restrict a particular type of ephone to a certain range of extensions.
Restrictions
Auto assignment cannot be used to define ephone-dn tags for Cisco IP Phone Expansion module 7914
Auto assignment cannot create shared lines