What is the purpose of the mgmt tenant?

What is the purpose of the mgmt tenant?

A.
used for in-band Cisco APIC to switch node communication, routable outside the fabric

B.
used for in-band and out-of-band Cisco APIC to switch node communication, nonroutable
outside the fabric

C.
used for out-of-band Cisco APIC to switch node communication, nonroutable outside the
fabric

D.
used for out-of-band Cisco APIC to switch node communication, routable outside the
fabric