Which three authentication types does OSPF support? (Choose three.)
A. Null
B. Plaintext
C. MD5
D. PAP
E. PEAP
F. MS-CHAP
Which three authentication types does OSPF support? (Choose three.)
A. Null
B. Plaintext
C. MD5
D. PAP
E. PEAP
F. MS-CHAP