A.Two factor authentication

B.Challenge handshake authentication protocol (CHAP)

C.Extensible authentication protocol (EAP)

D.MD5 authentication

A.Network LSA

B.Router LSA

C.Summary Network LSA

D.Summary Router LSA

A.An L1/L2 router calculates separate SPF trees for the Level 1 and Level 2 topology.

B.An L1/L2 router advertises its L2 routes to its L1 neighbors.

C.An L1/L2 router sets the ATT bit in L1 LSPs to identify itself as an L1 router.

D.An L1/L2 router can have neighbors in different areas.

A.Label space mode

B.Keepalive factor

C.Control mode

D.Label retention

A.PE2 needs a mirror destination that specifies a SAP.

B.PE1 needs a mirror source with the remote source specified.

C.PE2 needs a mirror source with the remote source specified.

D.Both PE1 and PE2 need a mirror destination.

E.Both PE1 and PE2 need a mirror source.