When gateways are registering with a gatekeeper， the gatekeeper can be（）.

A.All the root DNS servers maintain information in a distributed LDAP tree.
B.DNS clients access DNS information by making LDAP queries to DNS servers.
C.An LDAP DN attribute is a Domain Name.
D.It is currently recommended to express DN as a sequence of Domain components.

A.Inbound distribute-list is configured under the ospf process and it is denying x.x.x.x
B.ASBR origination the LSA is not reachable
C.Route to the Forwarding Address in not an internal OSPF route
D.Route to the Forwarding Address is an internal OSPF route
E.Route to the ASBR does not follow the same path as the one to the Forwarding Address

A.Traffic and prefixes originating from Source AS are carried across a Transit AS to reach theirdestination AS
B.Traffic and prefixes originating from Transit AS are carried across a Stub AS to their destination AS
C.Traffic and prefixes originating from Transit AS are carried across a Stub AS to their Source AS
D.None of the above