1.
In the network protocol to provide both data and control information communication structure and format of this part is
2.
The typical structure of IP telecom networks can be divided into
3.
Networks are usually divided into three types: LAN, MAN and WAN. Attributable to a specific network depends on which type.
4.
A complete IP network is divided into.
5.
Backbone structures can be roughly divided into
6.
MAN in the middle of the backbone network and access network, and can be divided into
7.
A complete IP network service access network control points are below the floor.
8.
In the Internet access business in the widespread use of ADSL and two technologies. Both technologies support both dial-up access and leased line access two access methods.
9.
VPN can be divided according to achieve the level.
10.
End-user access to the Internet process, the following statements is correct.