Which three flow-control port states lead to enabled link flow control？ （） A:  Receive port： Enabled， Transmit port： Enabled B:  Receive port： Enabled， Transmit port： Desired C:  Receive port： Enabled， Transmit port： Disabled D:  Receive port： Disabled， Transmit port： Desired E:  Receive port： Desired， Transmit port： Desired

在OpenFlow协议中，下列哪个消息类型不属于Asynchronous消息？? OFPT_PACKET_IN|OFPT_PORT_STATUS|OFPT_FLOW_REMOVED|OFPT_PORT_MOD

The port in which crew or passengers go on board the ship is called（）. A: port of call B: port of embarkation C: port of destination D: port of disembarkatio

CIF should be followed by( )． A: port of transshipment B: port of destination C: port of call D: port of shipment

In CIF the risk passes at _______ while the costs are transferred at _________. A: port of shipment, place of destination B: port of shipment, port of destination C: port of destination, place of shipment D: port of destination, port of shipment

The term FOB should be followed by _________ A: port of importing B: port of shipment C: port of discharge D: port of origin

下列MOD函数计算结果为1的有（） A: MOD（5，2） B: MOD（10，2） C: MOD（10，3） D: MOD（5，3）

mod(7,2),mod(7,-2),mod(-7,-2),mod(-7,2)函数的值分别是（），（），（），（）

计算下列各式的结果值, 要求给出0~模数区间内的解. (注意答案中只有数字不要出现空格)a) (123 mod 19 + 342 mod 19) mod 19 =______ .b) (123 mod 19 · 342 mod 19) mod 19 = ______ .c) (122 mod 17)3 mod 11 = ______ . d) (54 mod 7) 3 mod 13 = ______ .

Hie price term FOB should be followed by the name of_______. A: port of destination B: port of shipment C: port of destination D: port of consignee