题目内容

9. Why are ast retransmit and ast recovery added toTCP? What major change does New Reno make?

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10. How is the socket implemented in Linux? (Brief ydescribe the processing f ow o socket unctions andthe data structures o sockets.)

11. What are the available kernel-space and the user-space programs o Linux to  lter and capture packets?

12. What extra support can be done over RTP and RTCPthat cannot be done over UDP?

葱兰与韭兰在形态特征上主要区别是()。

A. 葱兰鳞茎卵形,韭兰鳞茎卵球形
B. 葱兰叶肥厚线形,韭兰扁平线形
C. 葱兰花白色,韭兰花粉红
D. 葱兰是宿根花卉,就韭兰是球根花卉

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