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IT基础课互动答疑-3

Authored by Min-Hua Li

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IT基础课互动答疑-3
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8 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在ASTM的每个帧结构中,“帧主体”部分的内容最大可容纳多少字节?

240

247

250

256

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

在ASTM协议数据传输中,接收方在收到有问题的数据的时候会回复什么内容?

ACK

NAK

ENQ

EOT

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

HL7协议中,用来分隔字段Field的分隔符是?

【CR】

|

^

\

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

在HL7协议中,消息类型OUL^R22代表什么含义?

请求消息

检测项目消息

检测结果消息

仪器状态消息

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

以下有两个错误的说法是?

ASTM协议数据只能通过串口传输

ASTM协议可以通过串口或网口传输

HL7协议只能通过网口传输

HL7协议可以通过串口或网口传输

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

以下说法正确的是?

HL7为应用层协议,通过TCP/IP(网口)方式传输

ASTM协议中“帧主体”的最大容量为247Bytes,超过此大小的数据需要做分包处理

HL7协议消息不受字符位数限制

ASTM协议传输消息的过程中仪器会发送ENQ请求Host建立连接,并在通讯完成时向Host发送EOT

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

如图所示的网络示意图中,至少存在多少个不同的子网络?

1

2

3

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