A test that requires all regular operations to cease is:
A.
A parallel test
B.
A simulation test
C.
A walk-through test
D.
A full-interruption test
Explanation:
Full-interruption testing also involves running the production processes in the alternate site and verifying full functionality.
In a full interruption test, operations are shut down at the primary site and shifted to the recovery site in accordance with the disaster recovery plan.