A transport layer protocol has several res

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问题:

A transport layer protocol has several responsibilities. One is to create a process-to-process (program-to-program) communication, TCP uses port (1) to accomplish this. Another responsibility of a transport layer protocolis to create a  (2) and error-control mechanism at the transport level. TCP uses a sliding(3) protocol to achieve flow control. It uses the acknowledgment packet, time-out, and retransmission to achieve(4) control. The transport layer is also responsible for providing a connection mechanism for the application program. The application program sends  (5) of data to the transport layer. It is the responsibility of the transport layer at the sending station to make a connection with the receiver.

空白(3)处应选择()

A.path

B.window

C.frame

D.diagram

考点:计算机软件水平考试初级网络管理员2010下半年初级网络管理员上午真题
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颅内压增高引起最严重的后果是()。

A.血管源性水肿

B.胃肠功能紊乱

C.Cushing反应

D.脑疝

E.细胞毒性脑水肿

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下图所示巨著的作者是

[ ]

A.孔子

B.华佗

C.张仲景

D.李时珍

题型:单项选择题

16—18世纪海上霸权转移的顺序,正确的有  [ ]

A、西——法——英

B、葡——西——英

C、荷——法——英

D、西——荷——英

题型:单项选择题

红外线动态检测车的轴距项目合格的考核标准是()。

A.取两个真轴和模拟轴大轴距的最大误差评判,最大相对误差≤10%

B.取模拟轴大轴距的最大误差评判,最大相对误差≤10%

C.取两个真轴和模拟轴大轴距的最大误差评判,最大相对误差≤12%

D.取模拟轴大轴距的最大误差评判,最大相对误差≤12%

题型:单项选择题

按照《五金交电家电化工商品的购销合同实施办法》规定,供方错发到站、中转单位、收货单位及接货人,与需方同城的,由需方就近解决。供方应承担()。

A、违约金

B、货物损失

C、由此造成的损失和费用

D、中国人民银行规定的罚金

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