Leave All状态机只是负责当Leave All定时器超时以后,产生Leave All消息。任何实体接收到Leave All消息后,都重新启动定时器,并且产生新的Leave All消息。() 此题为判断题(对，错)。
Leave All状态机只是负责当Leave All定时器超时以后,产生Leave All消息。任何实体接收到Leave All消息后,都重新启动定时器,并且产生新的Leave All消息。()
此题为判断题(对，错)。
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I will call you before I go. Well, I've got to run.－ ____________________________ A.I'm pleased to meet you.B.Yes, you can leave if you like.C.Oh, no, you can't.D.All right. Hope to see you soon.
Since she is angry, we (). A.had better leaving her aloneB.should leave her aloneC.might as well leave her aloneD.had rather leave her alone
I'm going to do all I can to ______ the unpleasant impressions you have of me. A. removeB. moveC. getD. leave
The ship is to leave at eight o’clock. The captain should order at seven “________”.A.Make fastB.Single upC.Stand byD.All clear
Because you don’t want to stay _____ all night packing and wear yourself out before you even leave for the trip.
It's not good for you to ________ so many important things. A.leave forB.leave awayC.leave outD.leave with
Don't forget to _________ the key _________ me when you go out. A.leave...outB.leave...onC.leave...forD.leave...with
Why do you want to leave your previous job?().A. I'm hoping to have a better position.B. I don't want to work at all.C. You won't understand it.
Which behavior. of fans can improve team spirit? A、Fans choose to leave whenever they want.B、Fans come in large number to cheer for their favorite team.C、Fans show up in small number to watch the game.D、Fans stand all the way through the game.
Leaving the court, the families all tried to () a brave face. A、put onB、show upC、call upD、leave alone
Registar有三个状态:IN(已经注册了该属性)、MT(属性的注册被撤销)、LV(已经注册了该属性,但是现在正取消该属性,如果在leave timer超时之前没有接收到该属性的声明,将进入MT状态)。根据接收到的消息不同,Registar进入不同的状态。下面哪些说法是正确的()。 A.接收到Join消息后进入IN状态B.在IN状态时，接收到Leave或者LeaveAll后，立即进入MT状态C.处于其他状态时，接收到Leave或者LeaveAll后，没有变化D.Empty消息对状态没有影响
How could lashing gear used aboard Ro-Ro vessels be stowed when not in use?A.Drape along bracketsB.Leave in place while back loading cargo to save timeC.Hang vertically in the paint lockerD.All of the above
If the life raft capsizes, all personnel should leave the raft and ______.A.climb onto the bottomB.swim away from the raftC.right the raft using the righting strapD.inflate the righting bag
当IGMPV2主机离开某组播组时，会发送LeaveGroup报文，如下表述正确的是（）。A、査询路由器收到Leave报文后立即发送特定组査询报文B、Leave报文的目的地址与报文中的GroupAddress地址相同C、Leave报文的目的地址为224.0.0.2D、査询路由器收到Leave报文后立即删除相关Group的组播组表项
配置为fast leave的ONU在用户端口收到IGMP Leave消息后采取的动作为？A、立刻停止向该用户端口转发该组播组的业务流，并删除其组播转发表中的相应表项；B、发送Last Member Query；C、不作为；D、端口锁定。
Which of the following statements concerning IGMP are correct？（Choose all that apply.）（）A、With IGMPvl， queries are sent to a specific groupB、Hosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibilityC、An IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are presentD、With IGMFV2， a leave message is supportedE、An IGMPv2 host will send an IGMFVl report on an IGMFVl routerF、An IGMPv2 router can only allow IGMPv2 hosts to execute a join request
It is a company’s policy to shut down all workstations at the end of the day. However, the majority of employees are leaving disks in their workstations and upon start up the next morning they are receiving a ‘NTLDR is missing’ error. Which of the following is a possible solution?（）A、Make a daily announcement to remove all disks before departing for the day.B、Change the Boot order in the BIOS.C、Make it a part of the evening checks to ensure all disks are removed.D、Make a company policy that states that it is unlawful to leave disks in the machines.
Mike, a technician, is working on a computer and the air is dry. Which of the following choices is the BEST option for Mike to use?（）A、Use a portable anti-static pad and wrist strap, ensuring all components remain on the mat, and the wrist strap is connected to the mat.B、Leave the computer plugged in and running, to stabilize the power, and keep one hand on the case at all times while working on the unit.C、Use a wrist strap, connecting it to the computer case. Leave the computer plugged into the outlet for grounding.D、Advise the customer it is best if the computer is taken back to the shop for repair, so it will be in a controlled temperature environment.
单选题If the life raft capsizes,all personnel should leave the raft and（）.Aclimb onto the bottomBswim away from the raftCright the raft using the righting strapDinflate the righting bag
单选题Water is a very effective fire extinguishing agent because it（）Awill remove all the toxic fumes from the airBhas the greatest cooling abilityCwill leave no harmful residueDcompletely removes combustible vapors from the air
多选题IGMPV2路由器如何维持网段组成员关系？（）A路由器为每个组员维护一个超时定时器，如果收到接收者主机就刷新定时器，如果定时器超时就删除该组成员关系B路由器周期性发送Query消息，接收者主机收到Query消息后，上报Report消息C路由器会对特定组进行查询D除非收到相应的leave消息，否则，路由器不会删除一个组成员关系
单选题起锚，留一节在水里。（）AHeave up the cable and leave one shackle in water.BWeigh anchor and leave one shackle in water.CLower the cable and leave one shackle in water.DDrop anchor and leave one shackle in water.
单选题Large volumes of carbon dioxide are safe and effective for fighting fires in enclosed space, such as in the pumproom, provided that the（）.Apersons in the space wear gas masksBpersons in the space wear damp cloths over their mouths and nostrilsCventilation system is secured and all persons leave the spaceDventilation system is kept operating
多选题Which of the following statements concerning IGMP are correct？（Choose all that apply.）（）AWith IGMPvl， queries are sent to a specific groupBHosts issuing IGMPvl requests will be correctly interpreted by IGMPv2 hosts due to backwardcompatibilityCAn IGMPv2 router will ignore IGMPv2 leave messages when IGMFVl hosts are presentDWith IGMFV2， a leave message is supportedEAn IGMPv2 host will send an IGMFVl report on an IGMFVl routerFAn IGMPv2 router can only allow IGMPv2 hosts to execute a join request
单选题Aluminum lifeboats are subject to damage by electrolytic corrosion (the aluminum being eaten away). In working around boats of aluminum you must be very careful（）.Ato keep the boats covered at all timesBnot to leave steel or iron tools lying in or near these boatsCto keep an electric charge on the hull at all timesDto rinse these boats regularly with salt water