A.to remove the tunnel interface from inet.0 after the hold-time expires

B.to reduce the risk of forwarding traffic through a stateless tunnel

C.to mark the tunnel up after the hold-time expires

D.to mark the tunnel down after the hold-time expires

A.Full mesh of IBGP sessions between IBGP speakers

B.Partial mesh of EBGP sessions between EBGP speakers

C.Default routes to the IBGP gateways

D.Static routes to the EBGP gateways

A.An IP-IP interface

B.A 6to 4 tunnel interface

C.A GRE tunnel interface

D.A TE tunnel interface

A.192.168.1.1

B.2001::192.168.1.1

C.0.0.0.0

D.2001::1:2

A.You can configure multiple MD5 passwords simultaneously on the same link.

B.If the MD5 password negotiation fails, you can configure OSPF to automatically use a simple password as a backup.

C.An MD5 password requires a key ID.

D.An OSPF link can support both simple password and MD5 authentication at the same time.