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问题 选择题

2011年中央电视台“开门办春晚”，让普通老百姓登上舞台。“旭日阳刚”等草根明星的出现，拉近了与亿万电视观众的距离，给“春晚”注入了新的活力。这说明发展大众文化[ ]

A、要面向广大人民，让群众喜闻乐见

B、就是要发展娱乐性强的流行文化

C、有了好的社会效益就有经济效益

D、要改造落后文化、抵制腐朽文化

答案

答案：A

单项选择题

在TCP/IP的网路体系结构中，各个层次提供不同可靠性的网络服务，其中，IP协议提供主机之间的 (312) 分组传输服务。TCP协议提供端口之间的 (313) 报文传输服务；为了实现可靠的服务，采用超时重传、确认捎带技术。传输中的协议规定，在确认信息中捎带 (314) 的序号以减少通信量。TCP使用三次握手协议来建立连接，设甲乙双方发送报文的初始序号分别为X和Y，甲方发送 (315) 的报文给乙方，乙方接收报文后发送 (316) 的报文给甲方，然后甲方发送一个确认报文给乙方便建立了连接。

（312）处填（）

A.可靠的面向连接的

B.不可靠的面向连接的

C.可靠的无连接的

D.不可靠的无连接的
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填空题



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