Refer to the exhibit for the outputs from an ASR9K router.
RP/0/RSP0/CPU0:PE1#show route ipv6 Wed Oct 22 23:27:17.453 UTC Codes: C - connected, S - static, R - RIP, B - BGP D - EIGRP, EX - EIGRP external. O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i - ISIS, L1 - IS-IS level-1, L2 - IS-IS level-2 ia - IS-IS inter area, su - IS-IS summary null, *- candidate default U - per-user static route, o - ODR, L- local, G - DAGR A - access/subscriber, (!) - FRR Backup path Gateway of last resort is not set L 2001:db8:10:1:1::1/128 is directly connected, 09:21:13, Loopback0 i L2 2001:db8:10:1:10::1/128 [105/20] via fe80::eab7:48ff:fe2c:a180,07:58:21, Gigabit Ethernet0/0/0/0 C 2001:db8:192:168:101::/80 is directly connected, 1d03h. GigabitEthernet0/0/0/0 L 2001:db8:192:168:101::10/128 is directly connected, 1d03h,Gigabit Ethernet0/0/0/0 RP/0/RSP0/CPU0:PE1#ping 2001:db8:10:1:10::1/128 Wed Oct 22 23:28:41.543 UTC %Bad hostname or protocol not running
Why did the ping fail?

A.	The ping command is missing the ipv6 option: ping ipv6 2001:db8:10:1:10::1/128
B.	There is a problem with the IS-IS configurations
C.	The fe80::eab7:48ff:fe2c:a180 next-hop is not reachable
D.	The prefix length should be removed from the IPv6 address in the ping command: ping ipv6 2001:db8:10:1:10::1
E.	IPv6 is not enabled on the Gi0/0/0/0 interface
F.	The IPv6 neighbor discovery protocol is not enabled on the Gi0/0/0/0 interface