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2010年下半年(上午)《网络管理员》真题

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发布时间: 2021-12-31 08:46

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1 单选题 1分

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

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正确答案:B

本题解析:

传输层协议有多种作用。其一是产生进程(或程序)之间的通信,TCP使用端口号来实现这个功能。传输层协议的另一个作用是形成传输层的流量和差错控制机制,TCP使用滑动窗口协议来进行流量控制,并且使用应答分组、超时机制和重传技术来实现差错控制功能。传输层还要为应用程序建立连接,应用程序向传输层发送数据流,发送方的传输层就与接收方的传输层建立对应的连接。

2 单选题 1分

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

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正确答案:C

本题解析:

传输层协议有多种作用。其一是产生进程(或程序)之间的通信,TCP使用端口号来实现这个功能。传输层协议的另一个作用是形成传输层的流量和差错控制机制,TCP使用滑动窗口协议来进行流量控制,并且使用应答分组、超时机制和重传技术来实现差错控制功能。传输层还要为应用程序建立连接,应用程序向传输层发送数据流,发送方的传输层就与接收方的传输层建立对应的连接。

3 单选题 1分

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

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正确答案:B

本题解析:

传输层协议有多种作用。其一是产生进程(或程序)之间的通信,TCP使用端口号来实现这个功能。传输层协议的另一个作用是形成传输层的流量和差错控制机制,TCP使用滑动窗口协议来进行流量控制,并且使用应答分组、超时机制和重传技术来实现差错控制功能。传输层还要为应用程序建立连接,应用程序向传输层发送数据流,发送方的传输层就与接收方的传输层建立对应的连接。

4 单选题 1分

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

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正确答案:D

本题解析:

传输层协议有多种作用。其一是产生进程(或程序)之间的通信,TCP使用端口号来实现这个功能。传输层协议的另一个作用是形成传输层的流量和差错控制机制,TCP使用滑动窗口协议来进行流量控制,并且使用应答分组、超时机制和重传技术来实现差错控制功能。传输层还要为应用程序建立连接,应用程序向传输层发送数据流,发送方的传输层就与接收方的传输层建立对应的连接。

5 单选题 1分

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

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正确答案:A

本题解析:

传输层协议有多种作用。其一是产生进程(或程序)之间的通信,TCP使用端口号来实现这个功能。传输层协议的另一个作用是形成传输层的流量和差错控制机制,TCP使用滑动窗口协议来进行流量控制,并且使用应答分组、超时机制和重传技术来实现差错控制功能。传输层还要为应用程序建立连接,应用程序向传输层发送数据流,发送方的传输层就与接收方的传输层建立对应的连接。

6 单选题 1分

PC1接入Internet的拓扑如下图所示,其中Server1为Web服务器,则PC1的Internet协议属性参数的配置中,IP地址可能为( ),默认网关为( )。

初级网络管理员,历年真题,2010年下半年(上午)《网络管理员》真题

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正确答案:C

本题解析:

本试题考查考生Internet协议属性参数的配置情况。

Internet协议属性参数中,默认网关应设置为当PC接入Internet时,与PC相连的路由器端接口IP地址,故为61.248.12.34。再由网关的IP及子网掩码,只有61.248.12.62/27在该网段。

7 单选题 1分

Web站点除了主目录以外还可以采用( )作为发布目录。

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正确答案:C

本题解析:

本试题考查考生对Web服务器的配置掌握程度。Web站点除了主目录以外还可以采用虚拟目录作为发布目录。

8 单选题 1分

在某PC上运行ipconfig /all命令得到如下结果,本机IP地址的租约期为( )小时,该PC访问Web网站时最先查询的DNS服务器为( )。

初级网络管理员,历年真题,2010年下半年(上午)《网络管理员》真题

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正确答案:B

本题解析:

从首选DNS服务器地址为8.8.8.8,该PC访问Web网站时最先查询的DNS服务器为8.8.8.8

9 单选题 1分

在某PC上运行ipconfig /all命令得到如下结果,本机IP地址的租约期为( )小时,该PC访问Web网站时最先查询的DNS服务器为( )。

初级网络管理员,历年真题,2010年下半年(上午)《网络管理员》真题

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正确答案:A

本题解析:

本试题考查考生对DHCP服务器配置完成后,相关知识的掌握程度。

从IP地址的发放时间为2010-8-9 1:19:55,释放时间为2010-8-9 1:19:55,故该PC机IP地址的租约期为8小时,

10 单选题 1分

某Web服务器的URL为https://www.test.com,在test.com区域中为其添加DNS记录时,主机名称为( )

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正确答案:B

本题解析:

本试题考查考生对DNS服务器配置操作的掌握程度。在DNS服务器配置过程中,主机名应为WWW。

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