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【多选题】
在邻居发现完成之后,路由器会根据网段类型进行DR选举。在广播和NBMA网络上,路由器会选举出DR和BDR,下列关于DR选举说法正确的是?
A.
路由器会根据参与选举的每个接口的优先级进行DR选举。优先级取值范围为0-255,值越高越优先。缺省情况下,接口优先级为1。如果一个接口优先级为0,那么该接口将不会参与DR或者BDR的选举。如果优先级相同时,则比较Router ID,值越大越优先被选举为DR。
B.
为了给DR做备份,每个广播和NBMA网络上还要选举一个BDR。BDR也会与网络上所有的路由器建立邻接关系。
C.
为了维护网络上邻接关系的稳定性,如果网络中已经存在DR和BDR,则新添加进该网络的路由器不会成为DR和BDR,不管该路由器的Router Priority是否最大。
D.
如果当前DR发生故障,则当前BDR自动成为新的DR,网络中重新选举BDR;如果当前BDR发生故障,则DR不变,重新选举BDR。这种选举机制的目的是为了保持邻接关系的稳定,使拓扑结构的改变对邻接关系的影响尽量小。
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【简答题】简述不同绩效管理阶段绩效沟通的目的和侧重点,绩效沟通有那些技巧。
【单选题】What can you infer about some phone carders from the passage?
A.
They want to get additional download profit from teenagers.
B.
They are faced with intense competition in the market now.
C.
They try to expand the sales of phones among adult users.
D.
They provide some free minutes for the young people.
【简答题】反射原稿的质量要求包括哪些?
【简答题】简述护患沟通时有效倾听应注意的技巧。
【单选题】The big question that faces Doppelganger is
A.
whether they Can get additional venture capital from investment banks.
B.
whether they Can increase revenue from selling music downloads and band.related goods.
C.
whether they carl find suppliers to sell physical things in the Lounge.
D.
whether they Can develop a critical mass of users and attract mass.market advertisers.
【判断题】横波只能在固体内传播。
A.
正确
B.
错误
【单选题】需用大型设备配套进行上部结构安装的施工方法是( )
A.
就地浇筑法
B.
顶推法
C.
悬臂浇筑法
D.
装配式施工法
【单选题】Where can listeners get additional information?
A.
At a project office.
B.
At a website.
C.
On 25th Street.
D.
At the Town Hall.
【简答题】简述有效沟通的四个技巧。
【单选题】49
A.
Lindbergh used this additional training to get a job as an airmail pilot, flying out of St. Louis, Missouri
B.
Working with an aviation company from San Diego, California,and with financial help from the city of St. Louis, Lindbergh got a customized(定制的)airplane that could make the journey
C.
He also received a Medal of Honor,the highest United States military decoration
D.
Eighty years ago,radio and movies were just beginning to have that kind of effect on Ameri- cans
E.
His childhood was not full of fond memories
F.
He quit school and moved to Nebraska where he learned to be a pilot
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