Which control flag should you use for 1dap1?

You domain’s security realm has two authentication provides :1dap1 and 1dap2. Consider
these requirements: • If authentication succeeds with 1dap1, then skip 1dap2. • If
authentication fails with 1dap1, then authentication must succeed with 1dap2. Which control
flag should you use for 1dap1?

A.
Requisite

B.
Sufficient

C.
Optional

D.
Required