DHCP协议的功能是(58)。在Linux中提供DHCP服务的程序是(59)；DHCP服务将主机的MAC地址和IP地址绑定在一起的方法是在(60)文件中添加：“host主机名{hardware Ethernet xx.xx.xx.xx.xx.xx fixed-address 192.168.0.9}”配置项；创建DHCP租用文件的命令是(61)；通过运行(62)命令可以设置在操作系统启动时自动运行 DHCP服务。

(82)

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(71) In the strength of the carrier signal is varied to represent binary 1 or 0.

  (72) is a system that can map a name to an address and conversely an address to an name.

  (73) is a three-way handshaking authentication protocol that it's packets are encapsulated in the point-to-point protocol

  (74) is an approach that enables an ATM Switch to behave like a LAN switch.

  (75) is an guided media which is made of glass or plastic and transmits signals in the form. of light.

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(74)

(75)

(72)