题型:判断题 --I made some mistakes at the dinner table last night. --_____________. I’ll tell you some table manners later. A. Never mind B. Of course C. You’re welcome 查看答案
题型:判断题 For each blank, choose the best answer from the four choices and write down on the answer sheet. (21) 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. (22) is a professional organization of individuals in multiple professions which focuses on effort on lower-layer protocols. (23) functions with two layers of protocols. It can connect networks of different speeds and can be adapted to an environment as it expands. (24) is the popular LAN developed under the direction of the IEEE802.5. (25) 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.A.The MAC addressB.The IP addressC.The subnet addressD.The virtual address 查看答案