题目内容
（请给出正确答案）
某种中继设备提供运输层及运输层以上各层之间的协议转换，这种中继设备是(61)。从OSI协议层次来看，用以实现不同网络间的地址翻译、协议转换和数据格式转换等功能的路由器属于(62)范畴。当采用数据报服务时，负责端到端的流量控制的是(63)。路由器的主要功能是(64)。下列接人方式中，(65)不属于ISP的接入方式。
A．转发器
B．网桥
C．网关
D．路由器
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更多“某种中继设备提供运输层及运输层以上各层之间的协议转换，这种中继设备是（61)。从OSI协议层次来看，”相关的问题
A、封装网络通信数据
B、选择将流量转发到目的网络时使用的路径
C、将 URL 名称转换为 IP 地址
D、提供安全 Internet 文件传输
E、根据 MAC 地址转发流量
Ink-jet printer belongs to nonimpact printers in which the characters are formed by projecting particles or droplets of ink on to paper.(71)printer is also a n0nimpact printer in which the characters are produced by applying hot elements to heat-sensitive paper directly or by melting ink from a(72)on to plain paper. Electrostatic printer creates an electrostatic latent image, which is then made visible by a toner and transferred and fixed on paper. An electrostatic printer may be used in some instances as a(73). Laser printer creates, by means of a laser beam directed on a(74)surface, a latent image which is then made visible by a toner and transferred and fixed on paper. Magnetographic printer creates, by means of magnetic heads operating on a metallic drum, a latent image which is then made visible by a toner and transferred and fixed on paper. Computer-output-microfilm (COM) printer produces on a photographic film a(75)of each page.
A．Hot
B．Warm
C．Heat
D．Thermal
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