【单选题】下面关于OSPF报文描述不正确的是
A.
hello报文用于发现和维护邻居关系,在广播网络和NBMA网络上的Hello报文也用来选举DR和BDR
B.
DD报文通过携带LSA头部信息描述链路状态摘要信息
C.
两台路由器之间发送HELLO报文的间隔必须一致,否则邻居无法建立连接
D.
DD报文包含全部的LSA信息,可以用于邻居间定期同步链路状态数据库信息
【多选题】关于LSA,下列描述中正确的是?( )
A.
一个OSPF Hello报文中至少携带了一条完整的LSA
C.
在一个OSPF网络中,如果两个链路状态数据库彼此之间实现了同步,那么这两个链路状态数据库中所包含的Type-1 LSA的条数一定是相同的
D.
在一个多区域OSPF网络中,Router LSA的泛洪是可以跨区域的
E.
在一个多区域OSPF网络中,Network LSA的泛洪是可以跨区域的
F.
在一个多区域OSPF网络中,Network Summary LSA的泛洪是可以跨区域的
G.
Network Summary LSA是由ASBR产生的
【单选题】What happened to Gulliver's company on the ship?
【单选题】According to the text, McKinsey is favored by American MBA students in that the company_____________.
A.
[A] has a worldwide reputation for high salary
B.
[B] is famous for its consulting business
C.
[C] makes very attractive job offer to MBA holders
D.
[D] successfully survived the burst of dotcom bubble
【单选题】FCL进出堆场,如发现箱体外表有些损坏,堆场应在哪一张单证上作批注。()
【单选题】According to the text, McKinsey is favored by American MBA students in that the company ______.
A.
has a world wide reputation for high salary
B.
is famous for its consulting business
C.
makes very attractive job offers to MBA holders
D.
successfully survived the burst of dotcom bubble
【单选题】__________ of the first group of colonists survived when the London Company sent the second of men with supplies.
【单选题】FCL进出堆场,如发现箱体外表有些损坏,堆场应在哪一张单证上做批注。()
【单选题】The company survived in cr.
【单选题】The company managed to the cr last year.