In low - speed network ,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high - speed networks, this approach often works poorly, because in the(71)between sending the notification and notification arriving at the source, thousands of additional(72)may arrive. In ATM network , a major tool for preventing(73)is(74)control. When a host wants a new virtual(75),it must describe the traffic to be offered and the service expected.A．intervalB．timeC．slotD．delay
In low - speed network ,it is usually adequate to wait for congestion to occur and then react to it by telling the source of packets to slow down. In high - speed networks, this approach often works poorly, because in the(71)between sending the notification and notification arriving at the source, thousands of additional(72)may arrive. In ATM network , a major tool for preventing(73)is(74)control. When a host wants a new virtual(75),it must describe the traffic to be offered and the service expected.
A．interval
B．time
C．slot
D．delay
相关考题：
ENUM类型的字段level定义为(LOW、MIDDLE、HIGH),ORDERBYlevelasc的顺序是() A、HIGH、LOW、MIDDLEB、LOW、MIDDLE、HIGHC、MIDDLE、LOW、HIGHD、HIGH、MIDDLE、LOW
——How did you like Nick’s performance last night ?—— To be honest ,his singing didn’t ________to be much?A. appealB. belongC. referD. occur
The closing of the exhaust valves used on a modern, large, low-speed, main propulsion diesel engine may be directly provided by_______.A.large conical springsB.compressed air pressureC.hydraulic pressureD.exhaust gas pressure
Whichofthefollowingcommandswillsettheduplexofanetworkadapter?() A.no-amedia_speed=100_Full_Duplexen0B.ifconfig-amedia_speed=100_Full_Duplexent0C.chdev-lent0-amedia_speed=100_Full_DuplexD.chinet-len0-amedia_speed=100_Full_Duplexen0
That sound doesn’t _____ in his language so it’s difficult for him to pronounce.[A] happen[B] take place[C] occur[D] run
Our public transportation is not sufficient for the need of the people in our major cities.A:additional B:efficient C:excessive D:adequate
—How did you like Nick′s performance last night?—To be honest,his singing didn′t__________to me much.A.appealB.belongC.referD.occur
（20分) 一个好题目需要符合的三要素，分别是：A．InterestingB．ManageableC．ImportantD．Adequate