以下关于距离矢量路由协议描述中错误的是（）。

A.8
B.9
C.10
D.15
E.16

A.NAT protects network security because privat enetworks are not advertised.
B.NAT accelerates the routing process because no modifications are made on the packets.
C.Dynamic NAT facilitates connections from the outside of the network.
D.NAT facilitates end-to-end communication when IPsec is enable.
E.NAT eliminates the need to re-address all host that require extemal access.
F.NAT conserves addresses through host MAC-level multiplexing.

A.直接路由、静态路由、rip、ospf
B.直接路由、ospf、静态路由、rip
C.直接路由、ospf、rip、静态路由
D.直接路由、rip、静态路由、ospf