400-101 求教题库

noodle0814 · 发表于 2016-7-19 20:27:30

317. Which two statements about out-of-order packet transmission are true? (Choose two.)
A．It occurs only over TCP connections
B．It can occur when packets are dropped and resent
C．It can occur when packets take the same path to arrive at the same destination
D．It can occur when packets use different paths to arrive at the same destination.
这题是选BD，还是bc？谢谢~~

conan509 · 发表于 2016-7-19 20:53:16

It occurs only over TCP connections

conan509 · 发表于 2016-7-19 20:53:23

It can occur when packets use different paths to arrive at the same destination.

shenka · 发表于 2016-7-19 21:06:31

选AD

猪也有梦想 · 发表于 2016-7-19 22:29:28

我选BD啊，有问题吗

猪也有梦想 · 发表于 2016-7-20 16:30:35

shenka 发表于 2016-7-19 21:06
# i6 L8 k$ [$ G9 h( I; \0 W) t- j6 z选AD

谢谢了

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