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【单选题】
STP下游设备用来通知上游设备网络拓扑结构发生变化的报文是?A.
配置BPDU
B.
TCN BPDU
C.
发现BPDU
D.
反向BPDU
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举一反三
【简答题】Beneficiary是指（ ）。
【简答题】A beneficiary usually refers to（ ）．
【简答题】Prior to transfer of the credit, the first beneficiary must instruct the transferring bank that (1)( ) he will transmit all the amendments hereafter to the second beneficiary. (2)( ) whether or not ...
【简答题】A credit can be transferred (1)( ) from the first beneficiary to the second beneficiary. (2)( ) from the second beneficiary to the third beneficiary. (3)( ) from the third beneficiary to the fourth...
【单选题】有三个土样,测得液性指数 均为 0.25 ,其天然含水率 和塑限 分别如下,试问哪个土样属于黏土?
A.
=30% ， =26.5%
B.
=25% ， =22%
C.
=25% ， =23%
D.
w =35% ， =30%
【简答题】The first beneficiary may request that payment or negotiation be effected to the second beneficiaries at the place to which the credit has been transferred up to and including the expiry date of the c...
【简答题】There are three kinds of advising amendment to the transferee: (1) ______ of beneficiary's rights on amendments. (2) ______ of beneficiary's rights on amendments. (3) ______ of beneficiary's rights on...
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