A customer has an E870 installed in one location and is going to upgrade a Power 770 to an
E870 in a second location Which option describes whether a Technical Delivery
Assessment (TDA) is required on the Power 770 to E870 upgrade?

A.
A TDA is not required on a POWER 770 to E870 upgrade.

B.
A TDA is required on all POWER 770 to E870 upgrades.

C.
Since the customer already has an E870 installed in the enterprise, a TDA is not
required.

D.
A TDA is only required on the first POWER 770 to E870 upgrade at a customer location.