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GB0 Exam Constructing Enterprise level Answer Enterprise level route level route network HCSE
GB0-283 HCSE Braindump 
ExamSoon GB0-283 Exams
H3C Constructing Enterprise-level Routing Networks
 
O rder : GB0-283 Exam
Practice Exam: GB0-283
Exam Number/Code: GB0-283
Exam Name: Constructing Enterprise-level Routing Networks
Questions and Answers: 300 Q&As 
Free GB0-283 Braindumps
  
  
Exam : HuaWei GB0-283
Title : Constructing Enterprise-level Routing Networks
1. BGP Speaker在向IBGP邻居通告引入的IGP路由时，AS-Path属性的值为本地自治系统号。 
T. True
F. False
Answer: F
2. 如图，区域1是NSSA区域，RouterD是其区域中的ABR，在RouterD上做如下配置 
ospf 1
area 0.0.0.1
network 10.45.0.0 0.0.0.255
nssa default-route-advertise
#
area 0.0.0.0
network 4.4.4.4 0.0.0.0
network 10.34.0.0 0.0.0.255
关于以上组网、配置，下列说法正确的是（ ） 
A. RouterD在area1中发布一条7类缺省LSA，RouterE、RouterF都能收到这条LSA。 
B. RouterD在area1中发布一条5类缺省LSA，RouterE、RouterF都能收到这条LSA。 
C. RouterC能收到RouterD发布的5类缺省LSA。 
D. 以上说法均不正确。 
Answer: A
3. OSPF协议中的一个普通区域通过ASBR注入192.168.0.0/24~192.168.0/24共4条路由，在ABR中配置聚合为一条聚合
路由192.168.0.0/22，此时ABR会向其他区域发布哪几条路由（ ） 
A. 一条聚合路由 
B. 四条明细路由 
C. 一条聚合路由和四条明细路由 
D. 一条都不发布 
Answer: B
4. CAR在IP层实现，因而只能对到达IP层的报文进行限速；相比CAR来说，LR能够限制在物理接口上通过的所有的报
文。 
 
 

 
   
 
          
 
       
  
 
 
 
T. True
F. False
Answer: T
5. OSPF协议是基于（ ）算法的。 
A. DV
B. SPF
C. HASH
D. 3DES
Answer: B
6. 关于配置OSPF协议中的stub区域，下列说法错误的是（ ） 
A. 骨干区域不能配置成stub区域，虚连接不能穿过stub区域。 
B. 区域内的所有路由器不是必须配置该属性 
C. stub区域中不能存在ASBR。 
D. 一个区域配置成stub区域后，其他区域的type3 LSA可以在该区域中传播。 
Answer: B
7. BGP的必遵属性有（ ） 
A. Origin属性 
B. AS-Path属性 
C. Next-hop属性 
D. MED属性 
E. Local-preference属性 
F. Community属性 
Answer: ABC
8. 关于OSPF协议中的路由聚合，论述错误的有（ ） 
A. ABR会自动聚合路由，无需手工配置 
B. 只能在ABR上做聚合 
C. 一台路由器同时做ABR和ASBR，它就不能聚合路由 
D. ASBR上能聚合任意的外部路由 
Answer: ABCD
9. 在BGP路由协议中，命令aggregate 10.110.0.0 255.255.0.0 suppress-policy test 的含义是（ ） 
A. 当通告路由时只通告聚合路由 
B. 当通告路由时通告聚合路由和全部的参与聚合的具体路由 
C. 当通告路由时通告聚合路由和部分符合过滤条件的参与聚合的具体路由 
D. 只通告具体路由，不通告聚合路由 
Answer: C
10. 相对于IPv4，IPv6地址有了很大的扩展，达到了（ ） 
A. 128位 
B. 164位 
C. 64位 
D. 256位 
Answer: A
11. OSPF协议使用的组播地址是（ ） 
A. 224.0.0.5
B. 224.0.0.6
C. 224.0.0.9
D. 224.0.0.10
Answer: AB
 
  
 
  
  
  
  
  
  
 
 
 
 
 

 
12. 当BGP路由器从EBGP邻居收到一条新路由时，下列说法正确的是（ ） 
A. 立即发送给BGP邻居 
B. 查看路由表中有无该路由的记录，如果没有，则向BGP邻居发送该路由 
C. 与保存的已发送的路由信息比较，如果未发送过，则向BGP邻居发送 
D. 与保存的已发送的路由信息比较，如果已发送过，则不发送 
Answer: C
13. 下面关于OSPF协议的叙述哪些是正确的（ ） 
A. 数据都是以组播方式发送的 
B. 一台路由器如果有路由更新，立刻将自己的路由表向邻居传递 
C. 通过毒性逆?确椒ㄒ种孤酚苫仿返牟 
D. 可以支持多条等值路由 
Answer: D
14. 关于BGP路由聚合，下列说法正确的是（ ） 
A. 路由聚合就是把各段路由综合到一个或多个聚合路由或CIDR块中，以便减小路由表的大小 
B. 在BGP聚合命令中如果加入关键字detail-suppressed，则只通告聚合后的路由 
C. BGP的路由聚合只对通过network命令引入到BGP中的路由有效 
D. BGP的路由聚合只对通过import命令引入到BGP中的路由有效 
Answer: AB
15. OSPF协议中规定在运行OSPF的网络中必须有区域0。 
T. True
F. False
Answer: F
16. 下面关于路由引入描述正确的是（ ） 
A. 路由协议可以引入其它路由协议发现的路由来丰富自己的路由知识 
B. 在引入其它协议路由信息时，可以通过Route-policy来进行路由信息的过滤，实现有选择的引入 
C. 进行引入操作的目标路由协议如果不能直接引用原路由协议的路由权值，需要为引入的路由指定一个路由权以满足本
协议的要求 
D. 路由协议间相互引入对方的路由信息称为双向引入，双向引入可能产生路由环路 
Answer: ABCD
17. 下列关于QoS在接入，汇聚，核心层的描述正确的是（ ） 
A. QoS在接入，汇聚，核心层的实现机制都是相同的。 
B. 通常在接入层进行报文的分类和标记。 
C. 通常在接入层一般不配置QoS机制。 
D. 通常在汇聚层一般配置适当的队列机制（如CBQ）和拥塞避免机制（如WRED）。 
Answer: BD
18. 在Quidway路由器中OSPF协议的路由优先级缺省为（ ） 
A. 5
B. 10
C. 15
D. 20
Answer: B
19. 下列关于队列调度的几种说法中，正确的是（ ） 
A. WFQ在每个队列上和CQ的丢弃机制一样，都是采用Tail Drop； 
B. WFQ对流的分类可以通过ACL来实现； 
C. CBWFQ是对WFQ的一种改进，和WFQ的基本调度方式一样； 
D. LLQ在调度时首先检查低时延队列，从该队列取报文，如果该队列没有报文时才转向其它非低时延队列；但又采用了
其他机制，防止有队列饿死。 
 

 
     
       
  
 
  
 
         
  
    
 
    
 
Answer: D
20. 关于IPSec安全联盟（Security Association）的说法正确的是（ ） 
A. IPSec对数据流提供的安全服务通过安全联盟SA来实现 
B. 一个安全联盟SA就是两个IPSec系统之间的一个单向逻辑连接 
C. 输入数据流和输出数据流由输入安全联盟与输出安全联盟分别处理 
D. 安全联盟可通过手工配置和自动协商两种方式建立 
Answer: ABCD
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