Which IGPs are supported by the MPLS LDP autoconfiguration feature?

Which IGPs are supported by the MPLS LDP autoconfiguration feature?
A . ISIS and RIPv2
B . RIPv2 and OSPF
C . OSPF and ISIS
D . OSPF and EIGRP

Answer: C

Explanation

The MPLS LDP Autoconfiguration feature enables you to globally enable LDP on every interface associated with an IGP instance. This feature is supported on OSPF and IS-IS IGPs. It provides a means to block LDP from being enabled on interfaces that you do not want enabled.

Reference: https://www.cisco.com/c/en/us/td/docs/ios/mpls/configuration/guide/convert/mp_ldp_book/mp_ldp_autoconfig.html