2. 计算机
  3. 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

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

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问题 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.
选项 A、The hub
B、The bridge
C、The router
D、The proxy
答案B
解析
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