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相对于OSPF的stub area, OSPF的totally stubby area有何不同（）
A . 不接收类型5的LSAs.
B . 是一个思科专有的特性
C . 不接收汇聚的链路状态广播
D . 应用了路由重注入
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Wide Area Network (WAN) is a computer network that covers a broad areA. Which statement is correct for wide-area network (WAN)?（）
A . Limited in a single building, a group of buildings, or even a single room
B . Crosses metropolitan, regional, or national boundaries
C . Encompasses an entire city or metropolitan area and connects multiple local-area networks (LANs)
D . Connects client devices wireless protocol
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流域面积（watershed area；catchment area）
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Into which two types of areas would an area border router (ABR) inject a default route?（）
A . stub
B . the autonomous system of an exte rior gateway protocol (EGP)
C . NSSA
D . totally stubby
E . the autonomous system of a different interior gateway protocol (IGP)
F . area 0
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在OSPF网络中，Area1有两个ABR连接到骨干区域，以下关于配置Area1路由汇聚的描述正确的是（）。
A . 路由汇聚命令必须在两个ABR上同时配置，如果只在一个ABR上配置，则明细路由和和汇聚路由都会发布到骨干区域。
B . 路由汇聚命令必须在两个ABR上同时配置，如果只在一个ABR上配置，则汇聚路由不能被发布到骨干区域。
C . 路由汇聚命令必须在两个ABR上同时配置，如果只在一个ABR上配置，则可能引起路由环路。
D . 路由汇聚命令必须在两个ABR上同时配置，如果只在一个ABR上配置，则汇聚路由条目会被发布到Area1中。
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在OSPF 中，Stub area 与Total Stub area 的区别在于对哪类LSA 的处理不同（）
A . LSA type 1
B . LSA type 2
C . LSA type 3
D . LSA type 5
E . LSA type 7
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Which two statements are true about Shared SQL Area and Private SQL Areas（）
A . Shared SQL Area will be allocated in the shared pool.
B . Shared SQL Area will be allocated when a session starts.
C . Shared SQL Area will be allocated in the large pool always.
D . The whole of Private SQL Area will be allocated in the Program Global Area （PGA） always.
E . Shared SQL Area and Private SQL Area will be allocated in the PGA or large pool.
F . The number of Private SQL Area allocations is dependent on the OPEN_CURSORS parameter.
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Which area is designated a special area by Annex V to MARPOL 73/78? （）
A . Gulf of Mexico
B . Sargasso Sea
C . Red Sea
D . Great Lake
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OSPF routing uses the concept of areas. What are the characteristics of OSPF areas?（）
A . Each OSPF area requires a loopback interface to be configured.
B . Areas may be assigned any number from 0 to 65535.
C . Area 0 is called the backbone area.
D . Hierarchical OSPF networks do not require multiple areas.
E . Multiple OSPF areas must connect to area 0.
F . Single area OSPF networks must be configured in area 1.
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（）is the largest free trade area in the area.
A . The SAFTA
B . The NAFTA
C . The EFTA
D . The APEC
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TDC3000系统中，AREA是对装置操作进行的划分，每条LCN最多（）个AREA。
A . 6
B . 8
C . 10
D . 12
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一个AS包含三个OSPF区域，分别是骨干区域，Area1和Area2，Area1有两个网段20.1.1.0/24、20.1.2.0/24，以下关于区域间路由聚合描述正确的是？（）
A . 缺省情况下，区域1的ABR会对路由进行聚合
B . 为了使Area2的ABR向Area2中通告聚合路由，需要在Area2的ABR上对路由进行聚合
C . 可以在骨干区域上任意一个路由器对路由进行聚合
D . 为了使Area2的ABR向Area2中通告聚合路由，需要在Area1的ABR上对路由进行聚合
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Goods may be dangerous not merely by reason of the fact that they may endanger the safety of the vessel，but also because they are liable to cause the vessel to be（）.
A . despatched
B . detained
C . detected
D . delivered
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Which two statements are true about Shared SQL Area and Private SQL Area（）
A . Shared SQL Area will be allocated in the shared pool.
B . Shared SQL Area will be allocated when a session starts.
C . Shared SQL Area will be allocated in the large pool always.
D . Private SQL Area will be allocated in the Program Global Area （PGA） always.
E . Shared SQL Area and Private SQL Area will be allocated in the PGA or large pool.
F . The number of Private SQL Area allocations is dependent on the OPEN_CURSORS parameter.
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Area Border Router （ABR） is a router located on the border of one or more OSPF areas that connect those areas to the backbone network. An ABR will inject a default route into which two types of areas？（）
A . Area 0
B . NSSA
C . Totally stubby
D . Stu
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若有 # define S(a,b) a*b 则语句 area=S(3,2); area 的值为 6 。
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True or False: It is home to a large population of endangered Macaque monkeys. （ ）
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下列程序输出结果？#define PI 3.14#define S(r) PI*r*rmain(){float a,area;a=2; area=S(a); printf(“r=%f,area=%f”,a,area); }
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The following have been significant in the area's prosperity EXCEPT ______ .
A．the motorways
B．the Roman road
C．the canals
D．the railways
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Which area or areas of the Northern Hemisphere experience a generally east movement of weather system？
Arctic only
Arctic and subtropical
Subtropical only
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在OSPF中，Stub area与Total Stub area的区别在于对哪类LSA的处理不同（)。
A.LSA type 1
B.LSA type 2
C.LSA type 3
D.LSA type 5
E.LSA type 7
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若有 define S（a,b) a*b则语句area=S（3,2);area的值为6。（)
是
否
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In PTN network, any area Border Router （ABR) in Area0 domain can carry （)non-Area0 at
A．A.2
B．B.3
C．C.4
D．D.6
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大熊猫被称为"中国国宝（） be accustomed to 生育率 birth rate 意识到 realize 濒危物种 endangered species
