在TCP/IP协议分层结构中，SNMP是在(36)协议之上的(37)请求/响应协议。SNMP协议管理操作中，管理代理主动向管理进程报告事件的操作是(38)。在ISO OSI/RM基础上的公共管理信息服务/公共管理信息协议(CMIS/CMIP)是一个完整的网络管理协议族，网络管理应用进程使用OSI参考模型的(39)。CMOT是要在(40)实现公共管理信息服务协议(CMIS)的服务，它是一个过渡性的解决方案，希望过渡到OSI网络管理协议被广泛采用。

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Multipurpose Internet Mail Extension(MIME)is a(71)document messaging standard in the Internet enviroment, with MIME, users can send(72)Email messages that include audio, video, graphices, and text to any other user of a TCP/IP network. Richtext information can also be(73)into messages. It defines the fonts, formats, and(74)features of a document so the document can be easily(75)on many different types of systems.

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For each blank, choose the best answer from the four choices and write down on the answer sheet.

(66)is a six bytes OSI layer 2 address which is burned into every networking device that provides its unique identity for point to point communication.

(67)is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols.

(68)functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands.

(69)is the popular LAN developed under the direction of the IEEE 802.5.

(70)is the popular backbone technology for transmitting information at high speed with a high level of fault tolerance which is developed under the direction of ANSI.

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