问答题

终端用户接入Internet的流程，以下说法正确的是（）。

A.用户发起上网请求，接入网二层设备为用户建立二层连接并将请求透传给上层BRAS设备
B.BRAS负责用户身份的认证、授权并为用户分配IP地址
C.用户认证成功后BRAS将用户报文路由到上行设备即汇聚层设备，汇聚层设备完成路由转发，用户能够访问外部网络
D.接入网对用户信息进行控制，对加策略过滤后的用户信息转发给上层设备

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单项选择题

What does the writer dislike most about dinner parties in New York?
A There isa strange mix of people.
B．The restaurants are expensive.
C．The bill is not fairly shared.
D．People have to pay cash

A.
B．The
B.
C．The
C.
D．People

多项选择题

工程咨询公司可以为国际金融机构或国际援助机构提供（）服务。

A.合同咨询和技术咨询
B.对申请贷款的项目进行评估
C.协助进行工程和设备招标
D.对已接受贷款项目的执行情况进行检查和监督
E.对已完成项目进行后评估

终端用户接入Internet的流程，以下说法正确的是（）。

你可能感兴趣的试题

What does the writer dislike most about dinner parties in New York?A There isa strange mix of people.B．The restaurants are expensive.C．The bill is not fairly shared.D．People have to pay cash

工程咨询公司可以为国际金融机构或国际援助机构提供（）服务。

What does the writer dislike most about dinner parties in New York?
A There isa strange mix of people.
B．The restaurants are expensive.
C．The bill is not fairly shared.
D．People have to pay cash