基金监管的首要目标是（）。

A.保护投资者利益

B.保证市场的公平、效率和透明

C.降低系统风险

D.推动基金业的发展

Frame Relay is simplified form of (1) , similar in principle to (2) , in which synchronous, frames of data are routed to different destinations depending on header information.

Packets are routed throught one or more Virtual Circuits known as (3) Most Virtual Circuits are (4) , which means that the network provider sets up all DLCI connections at subscription time. (5) are also part of the Frame Relay specification. They privide a link that only lasts only as long as the session.

1（）

A．Datagram Switching

B．Datagram Routing

C．Packet Switchig

D．packet Routing