Which configuration can a network engineer use to establish high availability for LDP in an MPLS
setup?

A.
mpls ldp
graceful-restart
graceful-restart
graceful-restart forwarding state-holdtime 180
graceful-restart reconnect-timeout 15
interface HundredGigE0/4/0/0

B.
mpls ldp
graceful-restart
graceful-restart forwarding state-holdtime 180graceful-restart reconnect-timeout 15

C.
mpls ldp
session protection for peer_acl duration 60
ipv4 access-list peer_acl
10 permit ip host 192.168.10.1 any

D.
router ospf 1
mpls ldp sync
mpls ldp
igp sync delay 30
E: mpls ldp
router-id loopback0
discovery hello holdtime 15
discovery hello interval 5