Which two characteristics are benefits of MPLS LDP lossless MD5 session authentication? (Choose two.)

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Which two characteristics are benefits of MPLS LDP lossless MD5 session authentication? (Choose two.)

A. It allows for asymmetric passwords.
B. It uses the MPLS LDP targeted hello, which is authenticated, instead of the regular MPLS LDP hello, which cannot be authenticated.
C. It allows you to achieve or change LDP MD5 session authentication without interrupting the LDP session.
D. It uses the MD5 method, which is a more secure authentication method than traditional MPLS LDP authentication, which uses a cleartext method.
E. It enables authentication for UDP MPLS LDP discovery packets as well as TCP MPLS LDP label exchange sessions.