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【单选题】
TCP/IP参考模型中的主机—网络层对应于OSI参考模型的()。Ⅰ.物理层Ⅱ.数据链路层Ⅲ.网络层
【简答题】
综合 OSI 和 TCP/IP 参考模型的优点,五层协议的体系结构,分别包含物理层、数据链路层、网络层、运输层和[填空]
【单选题】
在OSI参考模型的物理层、数据链路层、网络层传送的数据单位分别为()。
【简答题】
综合OSI和TCP/IP参考模型的优点,五层协议的体系结构,分别包含物理层、数据链路层、[填空]、运输层和应用层
【单选题】
( )是OSI参考模型的第3层,介于数据链路层和传输层之间。
【判断题】
传输控制协议TCP属于运输层协议,而用户数据报协议UDP属于网络层协议。
【单选题】
从数据链路层看,物理层提供的信道可以分为点对点信道和哪种信道。(100分)
【简答题】
求矩阵<img src="https://huaweicloudobs.ahjxjy.cn/77206C0A65A41B390822C76210657845.png" title="5.png" alt="5.png"/>的秩。
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/35641BFCA3DBBA8CCE856FF5CC4C8881.png" title="8.png" alt="8.png"/>,<img src="https://huaweicloudobs.ahjxjy.cn/1D6222711D94B38D3AFFDDF9E442517A.png" title="9.png" alt="9.png"/>[填空1],<img src="https://huaweicloudobs.ahjxjy.cn/4E3462BBF429168A498AD987547D7D32.png" title="10.png" alt="10.png"/>[填空2]。
【简答题】
<img src="https://huaweicloudobs.ahjxjy.cn/0B58517CA24006A5B0B05CE00A386782.png" title="5.png" alt="5.png"/><img src="https://huaweicloudobs.ahjxjy.cn/F46D2A2ADF5A2F30279E2B17345E9A5D.png" title="6.png" alt="6.png"/>[填空1]
【简答题】
Translate the sentence by using “subject clause”or“find oneself+prep./V-ing/V-ed”.1. ___________________ is a good-sized canvas bag. (你需要的)
【简答题】
Translate the following sentence into English.我刚到家电话就响了。
【简答题】
Translate the following sentence into Chinese.3. He came first in the race.
【简答题】
Direction: Fill in the blanks with thephrases given below. Change the form if necessary.[set off; after all; attach to; burst into laughter; lean against; teach...a lesson; take off; come to sense; give in to]5. Her humorous story made me[填空1]sometimes.
【简答题】
Direction: Fill in the blanks with thephrases given below. Change the form if necessary.[sell out; in other words; consist of; stand for; rely on; demand for; engage in; at hand; yield to; confront with]5. He came to realize that he had nobody to[填空1]but himself.
【简答题】
Directions: Fill in the blanks with the phrases given below. Change the form if necessary.[comprise of; vote for; access to; wake up; be hooked to; in the long run; work at; to ones joy; pay off; be associated with]2. The assignments for the course[填空1]computer-aided design problems.
【简答题】
Direction: Fill in the blanks with the phrases given below. Change the form if necessary.[have access to; go off; desperate for; put up with; always the case; give advice; concentrate on; arrive at; make an effort; come in handy]9. But in reality this is not[填空1].