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GB0-283 exam training materials

admin — Thu, 03 Jun 2010 09:26:56 +0000

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GB0-363 practice exam

admin — Thu, 03 Jun 2010 09:23:01 +0000

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H3C GB0-190 exam training tools

admin — Mon, 28 Dec 2009 06:42:33 +0000

GB0-190 is the most important certification from the H3C. H3C GB0-190 describe you the ways, strategies to manage, monitor and implement the H3C Windows server infrastructure. H3C GB0-190 is recommended for the people who want to make the Network administrator in their future.

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GB0-183 practice exams and questions

admin — Sat, 19 Dec 2009 06:10:41 +0000

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Real GB0-183English exam answers

admin — Fri, 06 Nov 2009 08:42:22 +0000

New GB0-183English trainning materials

Exam Number/Code: GB0-183English
Questions and Answers:526 Q&As

Updated Time: 2009-11-06
Register for Exam: Prometric/Pearson VUE
Exam Name:HuaWei-3Com Certificated Network Engineer

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Exam : HuaWei GB0-183English
Title : HuaWei-3Com Certificated Network Engineer

1. A network protocol is a set of rules and conventions that prescribe how network devices inter-communicate. The communication parties shall understand and abide the protocol. ( )
A. True
B. False
Answer: A

2. Two routers are in back-to-back connection with the following configuration. Can they communicate with each other? ( )
[Router1] display current-configuration
#
sysname Router1
#
FTP server enable
#
l2tp domain suffix-separator @
#
radius scheme system
#
domain system
#
local-user admin
password cipher .]@USE=B,53Q=^Q`MAF4<<"TX$_S#6.NM(0=0)*5WWQ=^Q`MAF4<<"TX$_S#6.N
service-type telnet terminal
level 3
service-type ftp
local-user h3c
password simple h3c
service-type ppp
#
interface Aux0
async mode flow
#
interface Serial0/0
link-protocol ppp
ppp authentication-mode chap
ppp chap user h3c
ip address 10.0.0.1 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode none
user privilege level 3
#
return
[Router2] display current-configuration
#
sysname Router2
#
FTP server enable
#
l2tp domain suffix-separator @
#
radius scheme system
#
domain system
#
local-user admin
password cipher .]@USE=B,53Q=^Q`MAF4<<"TX$_S#6.NM(0=0)*5WWQ=^Q`MAF4<<"TX$_S#6.N
service-type telnet terminal
level 3
service-type ftp
local-user h3c
password simple 3com
service-type ppp
#
interface Aux0
async mode flow
#
interface Serial0/0
clock DTECLK1
link-protocol ppp
ppp authentication-mode chap
ppp chap user h3c
ip address 10.0.0.2 255.255.255.0
#
interface NULL0
#
user-interface con 0
user-interface aux 0
user-interface vty 0 4
authentication-mode none
user privilege level 3
#
return
A. Yes
B. No
C. No decision can be made, for there is not enough information.
Answer: B

3. Which layer of the OSI reference model implements encryption. ( )
A. Physical layer
B. Transport layer
C. Session layer
D. Presentation layer
Answer: D

4. Common routing protocols are ( ).
A. IPX
B. OSPF
C. RIP
D. IP
Answer: BC

5. What algorithm is adopted in PPP CHAP authentication? ( )
A. MD5
B. DES
C. RSA
D. SHA
Answer: A

6. Frame Relay adopts ( ) as the switching method.
A. Routing
B. Circuit switching
C. Fast switching
D. Packet switching
Answer: D

7. Both the transport layer and the data link layer perform error check. ( )
A. True
B. False
Answer: A

8. To test the gateways that a packet will pass through from the source host to the destination, use the command ( ) in the H3C COMWARE command line.
A. ping
B. tracert
C. show path
D. display path
Answer: B

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Real GB0-183Chinese exam answers

admin — Fri, 06 Nov 2009 08:40:42 +0000

New GB0-183Chinese trainning materials

Exam Number/Code: GB0-183Chinese
Questions and Answers:526 Q&As

Updated Time: 2009-11-06
Register for Exam: Prometric/Pearson VUE
Exam Name:HuaWei-3Com Certificated Network Engineer

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Exam : HuaWei GB0-183Chinese
Title : HuaWei-3Com Certificated Network Engineer

1. 网络协议是为了使计算机网络中的不同设备能进行数据通信而预先制定的一套通信双方互相了解和共同遵守的格式和约定。
A. True
B. False
Answer: A

2. 帧中继采用（）作为交换方式。
A. 路由
B. 电路交换
C. 快速交换
D. 分组交换
Answer: D

3. 在 Quidway VRP 命令行中用哪个命令可以测试数据包从发送主机到目的地所经过的网关（）
A. ping
B. tracert
C. show path
D. display path
Answer: B

4. 常见的路由协议有（）
A. IPX
B. OSPF
C. RIP
D. IP
Answer: BC

5. 传输层和数据链路层都会负责差错校检（）
A. True
B. False
Answer: A

6. PPP 的 CHAP 认证采用了什么加密算法（）
A. MD5
B. DES
C. RSA
D. SHA
Answer: A

7. 在 OSI 七层参考模型中，可以完成加密功能的是（）
A. 物理层
B. 传输层
C. 会话层
D. 表示层
Answer: D

8. 两台路由器背靠背直连，配置如下，路由器之间是否能够通讯（）
A. 能
B. 不能
C. 信息不足，无法判断
Answer: B

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Real H3CTE exam answers

admin — Sun, 11 Oct 2009 08:40:28 +0000

New H3CTE trainning materials

Exam Number/Code: H3CTE
Questions and Answers:742 Q&As

Updated Time: 2009-10-11
Register for Exam: Prometric/Pearson VUE
Exam Name:H3C Certified Troubleshooting Expert

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Exam : H3C H3CTE
Title : H3C Certified Troubleshooting Expert
一、实验题

1.
要求
1 、总部运行ospf，总部和两个分部之间运行BGP，RT1和RT2运行IBGP使用loopback端口为接口地址。由于分部的的网络比较简单要求分部的路由发布到BGP中。
2、分部B到总部通过ipsec+tunnel的模式。IPsec 采用野蛮模式，只对业务流进行加密。
3、总部的ospf和BGP互相发布后会形成路由环路，RT1 和RT2通过 BGP协议
4、总部和分部A，正常情况下业务通过FR链路到分部A，OA流通过PPP线路到分部A
5、当FR链路不能用的时，业务流通过ppp链路到分部A，此时业务流和OA流都在 PPP链路。要在RT2和RT4上做QOS保证业务流1M 的带宽。通过CBQ,对进来的业务打dscp afc4的标记，在以太网进口上对业务流打标记，在出口上进行带宽保证
6、要求两个分部之间进行隔离，通过AS-path-acl进行网络隔离
7、分部A 通过vrrp实现，当fr链路断掉时候业务流，自动切换到ppp的链路上。总部通过bgp动态路由实现路由切换
8、通过 local-preference和MED两个参数实现业务流走FR，OA 流走PPP
9、RT2和RT4之间的ppp链路采用chap认证
10、总部和分部的bgp要求验证
11、为了保证总部路由不产生环路，要求在RT1＆RT2上通过BGP的preference
进行调整。
答案：
RT1: 1、RT1 与RT3 通过专线连接，两端设备均为DTE，无法建立连接，将RT1 设置为DCE 设备，在接口3/0 配置fr interface-type dce 。
2、RT1 加密访问控制列表3001 定义数据流量不准确，本段业务网段地址为160.0.0.0/24，分部B 业务网段为160.2.0.0/24，。具体参数如下：acl number 3001 rule 0 permit ip source 160.0.0.0 0.0.255.255 destination 160.2.0.0 0.0.255.255
　　rule 1 deny ip
3、RT1 IKE 采用野蛮方式，数据需要进行双向访问，RT1 没有配置远端接入地址，须配置RT5 的接入端地址作为局段地址
4、RT1 IKE 采用野蛮方式，使用网关名字进行协商，RT1 没有配置本段的网关名字，需要配置。
ike local-name rt
5、RT1 没有在接口上应用安全策略组，在GRE 通道应用安全策略。interface Tunnel0 ipsec policy rt5
6、RT1 OSPF 进程1 中，区域0 宣告的网段，子网掩码配置不正确，导致无法建立正确的邻居关系。调整10.0.0.0 子网掩码为0.0.255.255
7、RT1 与RT2 之间使用LOOOPBACK 地址接口来建立IBGP 关系，使用LOOPBACK 地址作为接口地址以后存在1.1.1.1 与2.2.2.2 网络层上不通的问题，无法正常的建立邻居关系，可以通过OSPF 将LOOOPBACK 地址宣告出去，保证连通性。RT1： Ospf 1 Area 0 Network 1.1.1.1 0.0.0.0 RT2： Ospf 1 Area 0 Network 2.2.2.2 0.0.0.0
8、RT1 路由器没有配置EBGP 的认证，不能保证连接的安全性，需在TCP 连接时配置MD5 认证，修改如下：
Bgp 65000
peer 10.1.13.2 password simple h3c
peer 10.2.15.2 password simple h3c
路由器RT2 、RT3 、RT4 、RT5 需要做同样的验证配置。
9、策略路由配置错误，R1、R2 的业务网段本地优先级与开销相同，R2OA 网段没有进行流量匹配，不符合业务流通过FR 传输，OA 通过ppp 链路进行传输的要求。修改后策略如下：R1：
route-policy YEWU permit node 10
if-match acl 2001
apply local-preference 200
apply cost 50
route-policy YEWU permit node 20
if-match acl 2002
apply local-preference 100
apply cost 200
R2：
route-policy YEWU-OA permit node 10
if-match acl 2001
apply local-preference 100
apply cost 100
route-policy YEWU-OA permit node 20
if-match acl 2002
apply local-preference 200
apply cost 100
10、RT1 、RT2 的路径访问控制列表配置不正确，无法实现分部只有总部进行通信的要求，而且路径访问控制列表在BGP 协议中中没有应用。配置如下：
RT1： ip as-path-acl 1 permit ^$
bgp 65000
peer as65002 as-path-acl 1 export
RT2：
ip as-path-acl 1 permit ^$
bgp 65000
peer as65001 as-path-acl 1 export
11、RT5IKE 需要采用野蛮方式，使用网关名字进行协商，需要配置本端的网关名字。
12、RT5 加密访问控制列表定义数据流量不准确，而且与RT1 不是互为镜像关系，
acl number 3001 rule 0 permit ip source 160.2.0.0 0.0.255.255 destination 160.0.0.0 0.0.255.255 rule 1 deny ip
13、RT5 没有在接口上应用安全策略组，在GRE 通道应用安全策略。interface Tunnel0 ipsec policy rt1
14、RT2 与RT4 进行PPP 连接，配置本地用户名，服务类型为ppp，命令为local-user h3c service-type ppp RT3 上的错误：
1、配置e0/0.11 上的vrrp 优先级为120，vrrp vrid 11 priority 120
Switch2 错误： 1、创建vlan 11 、12
2、将trunk 口改为permit vlan all

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Real GB0-540 exam answers

admin — Tue, 04 Aug 2009 10:25:47 +0000

New GB0-540 trainning materials

Exam Number/Code: GB0-540
Questions and Answers:177 Q&As

Updated Time: 2009-09-14
Register for Exam: Prometric/Pearson VUE
Exam Name:Advanced Intrusion Prevention System Configuration

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Exam : H3C GB0-540
Title : H3C Certified Senior Engineer for Security – IPS

1. TippingPoint IPS对应用保护的过滤器分为哪几类？
A. Attack Pretection, Reconnaissance, Security Policy, Informational
B. Attack Pretection, Scan, Security Policy, Informational
C. Attack Pretection, Reconnaissance, Misuser&Abuse, Informational
D. Attack Pretectio, Scan, Security Policy, Misuser&Abuse
Answer: A

2. TippingPoint对BT下载进行限流，依靠的是TippingPoint的哪种保护功能？
A. 应用层保护
B. 基础设施保护
C. 性能保护
Answer: C

3. TippingPoint支持单设备管理LSM和企业级集中管理SMS两种管理架构。
A. True
B. False
Answer: A

4. Notification Contacts包括的组合有（）。
A. SMS + Remote system log + LSM
B. Remote System Log + Management Console
C. Management Console + SMS
D. LSM + Management Console + SMS
Answer: AB

5. 在SMS操作中，当TippingPoint检测到接入客户端的非法活动时，SMS进行基于策略的门限控制，SMS发送Trap到NMS或者根据配置执行相应的动作。
A. True
B. False
Answer: A

6. TippingPoint设备支持的网管设备只有SMS，其它网管设备不支持。
A. True
B. False
Answer: B

7. 客户想下载最新的数字疫苗，可以从下列哪个网站获取？
A. www.huawei-3com.com
B. www.3com.com
C. www.huawei.com
D. www.tippingpoint.com
Answer: D

8. 使用Web方式登陆TippingPoint，每次最多只能同时登录一个用户。
A. True
B. False
Answer: B

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Real GB0-520 exam answers

admin — Tue, 04 Aug 2009 10:24:52 +0000

New GB0-520 trainning materials

Exam Number/Code: GB0-520
Questions and Answers:319 Q&As

Updated Time: 2009-09-17
Register for Exam: Prometric/Pearson VUE
Exam Name:Building Secure Virtual Private Networks

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Exam : H3C GB0-520
Title : Building Secure Virtual Private Networks

1. SecPath防火墙产品的 HT 加密卡不可以热插拔。
T. True
F. False
Answer: T

2. 只有将报文加密才能保证不被篡改，除此之外其他办法均无效。
T. True
F. False
Answer: F

3. AH 和 ESP 均可以穿越 NAT 。
T. True
F. False
Answer: F

4. SecPath系列安全网关支持多种 VPN 业务，其中能提供数据机密性的是（）。
A. L2TP VPN
B. IPSec VPN
C. SSL VPN
D. GRE VPN
Answer: BC

5. 若L2TP VPN接入方式形如"移动员工-PSTN-LAC-Internet-LNS-总部内网"，对这种接入方式，正确的说法有（）。
A. LAC 设备多由 ISP 提供； LNS 设备多由总部提供
B. 用户接入的 AAA 服务由 LAC 设备完成
C. 用户的最终授权和验证工作由 LNS 完成
D. L2TP 隧道由 LAC 发起，由 LNS 终结
E. PPP 通道最终建立在移动员工和 LAC 之间
Answer: ABCD

6. 网络通信对安全性的要求包括（）。
A. 一致性
B. 私密性
C. 完整性
D. 身份验证
Answer: BCD

7. 密钥长一倍，安全强度就提高一倍。
T. True
F. False
Answer: F

8. L2TP 隧道的建立是一个三次握手的过程，而 L2TP 会话的建立是一个四次握手的过程。
T. True
F. False
Answer: F

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Real GB0-500 exam answers

admin — Tue, 04 Aug 2009 10:22:32 +0000

New GB0-500 trainning materials

Exam Number/Code: GB0-500
Questions and Answers:224 Q&As

Updated Time: 2009-09-16
Register for Exam: Prometric/Pearson VUE
Exam Name:Implementing Secure Firewalls

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Exam : H3C GB0-500
Title : Implementing Secure Firewalls

1. TACL主要用于匹配一个会话中的所有返回的报文，可以为某一应用返回的报文在防火墙的外部接口上建立一个临时的返回通道。
T. True
F. False
Answer: T

2. 利用HWTACACS协议认证与授权分离的特性，可以使用RADIUS进行认证，而使用HWTACACS进行授权。
T. True
F. False
Answer: T

3. 下列哪些功能是无法通过Web网管进行配置的？
A. GRE 相关配置
B. L2TP相关配置
C. PPPoE相关配置
D. 网页过滤相关配置
Answer: AC

4. ACL可以应用于整机或指定接口上，过滤数据包。除此之外，ACL还可以用于（）。
A. QoS中，对数据流量进行分类；
B. DCC中，用来规定触发拨号的条件；
C. NAT中；
D. 报文转发，提高转发速度。
Answer: ABC

5. SecPath系列防火墙可以工作在多种模式下, 在（）下, 防火墙通过二层对外连接，所有接口无IP地址。
A. 路由模式
B. 透明模式
C. 混合模式
D. 攻击防范模式
Answer: B

6. SecPath防火墙的ASPF作为改进的状态检测安全技术，支持以下哪些应用协议检测？
A. PPTP
B. HTTP
C. TFTP
D. FTP
Answer: ABD

7. 以下关于安全区域描述不正确的是（）。
A. 不同安全区域的安全级别可以相同
B. 一个接口可以添加到多个安全区域中
C. 一个安全区域中可以添加无限个接口
D. Inloopback0接口可以添加到任何安全区域中
Answer: ABCD

8. SecPath500F防火墙可以实现（）个MIM接口扩展。
A. 0
B. 1
C. 2
D. 3
Answer: C

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Real GB0-323English exam answers

admin — Mon, 03 Aug 2009 11:32:21 +0000

New GB0-323English trainning materials

Exam Number/Code: GB0-323English
Questions and Answers:300 Q&As

Updated Time: 2009-08-06
Register for Exam: Prometric/Pearson VUE
Exam Name:Constructing Enterprise-level Switching Networks

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Exam : HuaWei GB0-323English
Title : Constructing Enterprise-level Switching Networks

1. The reason why RSTP can implement fast restoration of the network is that ( ).
A. RSTP reduces the delay from the Blocking state to the Forwarding state.
B. The port will enter the Forwarding state immediately if the old Root port turn in the Blocking state and the remote end of the new Root port is in the Forwarding state.
C. A non-edge Designated port needs only one handshake with the downstream bridge to transfer from the Blocking state to the Forwarding state quickly.
D. Soon after the bridge is started, the edge port enters the Forwarding state without delay.
Answer: ABCD

2. On the H3C S middle-end/low-end switches, STP is enabled by default. ( )
A. True
B. False
Answer: B

3. In STP, it is suggested to modify the value of Max Age indirectly through setting the network diameter. ( )
A. True
B. False
Answer: A

4. STP is a routing protocol.
A. True
B. False
Answer: B

5. Which of the following statements is correct? ( )
A. igmp timer query seconds is used to set the interval of the query packet sending on the switch.
B. igmp timer query seconds is used to set the maximum response time in the query packet.
C. igmp max-response-time seconds is used to set the maximum response time in the query packet.
D. igmp timer other-querier-present seconds is used to set the timeout time of the snooping querier on the switch.
Answer: ACD

6. IGMP is a signaling protocol between hosts and the router, which defines the mechanism to establish and maintain the multicast membership between hosts and the router. ( )
A. True
B. False
Answer: A

7. Multicast protocols fall into group member management protocols and multicast routing protocols. Which of the following is a group member management protocol? ( )
A. GVRP
B. GMRP
C. IGMP
D. PIM
Answer: C

8. 801D defines the Disabled state of STP. Which of the following is correct about the port in the Disabled state? ( )
A. It does not receive/send any packet.
B. It does not receive/forward data. It receives but does not send BPDUs, and does not learn addresses.
C. It does not receive/forward data. It receives and forwards BPDUs, and does not learn addresses.
D. It does not receive/forward data. It receives and forwards BPDUs. It begins to learn addresses.
E. It receives or forwards data. It receives and forwards BPDUs. It begins to learn addresses.
Answer: A

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Real GB0-363English exam answers

admin — Mon, 03 Aug 2009 11:32:21 +0000

New GB0-363English trainning materials

Exam Number/Code: GB0-363English
Questions and Answers:317 Q&As

Updated Time: 2009-08-06
Register for Exam: Prometric/Pearson VUE
Exam Name:Designing Enterprise-level Networks

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Exam : HuaWei GB0-363English
Title : Designing Enterprise-level Networks

1. The common security equipment includes the Firewall, Intrusion Detection System (IDS) and Intrusion Prevention System (IPS). The IDS serves as the gateway and is deployed on the path of main service traffic, while the Firewall and IPS are deployed on the bypass.
A. True
B. False
Answer: B

2. In a Layer 2 switching network, if only IGMP Snooping is enabled on the switch, what will happen? ( )
A. Multicast fails.
B. Multicast works properly, but IGMP Snooping cannot correctly record the member port information.
C. Multicast works properly, and IGMP Snooping can correctly record the member port information.
D. IGMP Snooping will work properly if IGMP Spoofing is enabled.
Answer: A

3. To prevent route spoofing, it is preferred to set the OSPF enabled interface that is connected to the users intranet to the Silent state and enable MD5 authentication.
A. True
B. False
Answer: B

4. Which of the following descriptions about dynamic routing protocol is correct? ( )
A. The fundamentals of RIPng are the same as those of RIP, but RIPng speeds up convergence compared with RIP.
B. The packet format of OSPFv3 is the same as that of OSPF, but OSPFv3 can support IPv6.
C. MBGP is the unique EGP routing protocol in the IPv6 network.
D. IS-IS supports multiple protocols so that it can support IPv6 without any modification.
Answer: C

5. The security services in the Open System Interconnection security architecture include ( ) and anti-DoS.
1) Authentication
2) Access control
3) Data privacy service
4) Data integrity service
A. 1) and 2)
B. 1), 2) and 3)
C. 2) and 4)
D. 1), 2), 3) and 4)
Answer: D

6. To transit a SOHO network to IPv6, we should ( ).
A. Choose an appropriate tunnel technology to access the IPv6 Internet according to the access mode provided by the ISP
B. Use the dual-stack technology to enable all the hosts to access IPv6 and IPv4 network concurrently
C. Use 6to4 technology to access the IPv6 Internet if the ISP does not provide any IPv6 access
D. Use the 6PE technology to access the IPv6 Internet if the ISP provides 6PE access
Answer: AC

7. Which of the following port states is/are defined in both STP and RSTP? ( )
A. Disabled
B. Blocking
C. Listening
D. Learning
E. Forwarding
Answer: DE

8. PIM-SM may not need RP.
A. True
B. False
Answer: B

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Real GB0-283English exam answers

admin — Mon, 03 Aug 2009 11:32:20 +0000

New GB0-283English trainning materials

Exam Number/Code: GB0-283English
Questions and Answers:300 Q&As

Updated Time: 2009-08-06
Register for Exam: Prometric/Pearson VUE
Exam Name:Constructing Enterprise-level Routing Networks

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Exam : HuaWei GB0-283English
Title : Constructing Enterprise-level Routing Networks

1. Which of the following descriptions about the IPSec Security Association (SA) is/are correct? ( )
A. The data security service provided by IPSec is realized through SAs.
B. One SA is a unidirectional logical connection between two IPSec peers.
C. The inbound data flow and outbound data flow are respectively processed by the inbound SA and outbound SA.
D. SAs can be set up by the means of manual configuration or automatic negotiation.
Answer: ABCD

2. The ASBR imports four external routes, 192.168.0.0/24, 192.168.1.0/24, 192.168.2.0/24 and 192.168.0/24. These routes are aggregated to one route 192.168.0.0/22 by the ABR. Which routes will the ABR redistribute to the other areas? ( )
A. One aggregation route
B. The four original routes
C. One aggregation route and the four original routes
D. None
Answer: B

3. Which of the following descriptions about route aggregation in OSPF is/are wrong? ( )
A. The ABR can automatically summarize routes without manual configuration.
B. Aggregation can be made only on the ABR.
C. The router serving as the ABR and the ASBR concurrently cannot summarize routes.
D. The ASBR can summarize all external routes.
Answer: ABCD

4. CAR is realized at the IP layer so that it can only limit the traffic of IP packets. Compared with CAR, LR can limit all the traffic passing through the physical interface.
A. True
B. False
Answer: A

5. Compared with IPv4, the IPv6 address is extended to ( ).
A. 128 bits
B. 164 bits
C. 64 bits
D. 256 bits
Answer: A

6. Which of the following descriptions about queue is correct? ( )
A. WFQ discarding mechanism is Tail Drop on each queue, the same as CQ.
B. WFQ classifies data flow by using ACL.
C. CBWFQ is an improvement of WFQ using the same basic scheduling as WFQ.
D. LLQ will first check the low-latency queue and take packets from the queue. Only when there is no packet in the low-delay queue, it will take the packets from other queues. In addition, it uses other mechanisms to avoid starving to death of the queues.
Answer: D

7. The multicast address used by OSPF is ( ).
A. 224.0.0.5
B. 224.0.0.6
C. 224.0.0.9
D. 224.0.0.10
Answer: AB

8. Which of the following descriptions about QoS at the access, convergence and core layers is/are correct? ( )
A. QoS is implemented identically in the access, convergence and core layers.
B. Packets are classified and marked in the access layer.
C. No QoS mechanism should be configured in the access layer.
D. Usually, the queuing mechanism (such as CBQ) and the congestion avoidance mechanism (such as WRED) should be used in the convergence layer.
Answer: BD

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Real GB0-190 exam answers

admin — Mon, 03 Aug 2009 11:32:10 +0000

New GB0-190 trainning materials

Exam Number/Code: GB0-190
Questions and Answers:198 Q&As

Updated Time: 2009-08-22
Register for Exam: Prometric/Pearson VUE
Exam Name:Construction Small-and Medium-Sized Enterprise Network

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Real GB0-190Chinese exam answers

admin — Mon, 03 Aug 2009 11:32:10 +0000

New GB0-190Chinese trainning materials

Exam Number/Code: GB0-190Chinese
Questions and Answers:446 Q&As

Updated Time: 2009-08-25
Register for Exam: Prometric/Pearson VUE
Exam Name:Construction Small-and Medium-Sized Enterprise Network

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Exam : H3C GB0-190Chinese
Title : Construction Small-and Medium-Sized Enterprise Network

1. 通常情况下，路由器会对长度大于接口MTU的报文分片。为了检测线路MTU，可以带______参数ping目的地址。
A. -a
B. -d
C. -f
D. -c
Answer: C

2. 以下工作于OSI参考模型数据链路层的设备是______。（选择一项或多项）
A. 广域网交换机
B. 路由器
C. 中继器
D. 集线器
Answer: A

3. 在如图所示的TCP连接的建立过程中，SYN中的Z部分应该填入________。
A. a
B. b
C. a+1
D. b+1
Answer: D

4. IP地址202.135.111.77对应的自然分类网段的广播地址为________________。
Answer: 202.135.111.255

5. 用______命令可指定下次启动使用的操作系统软件。
A. startup
B. boot-loader
C. bootfile
D. boot startup
Answer: B

6. 如果以太网交换机中某个运行STP的端口不接收或转发数据，接收并发送BPDU，不进行地址学习，那么该端口应该处于______状态。
A. Blocking
B. Listening
C. Learning
D. Forwarding
E. Waiting
F. Disable
Answer: B

7. FTP默认使用的控制协议端口是______。
A. 20
B. 21
C. 23
D. 22
Answer: B

8. 下列有关光纤的说法中哪些是错误的？
A. 多模光纤可传输不同波长不同入射角度的光
B. 多模光纤的纤芯较细
C. 采用多模光纤时，信号的最大传输距离比单模光纤长
D. 多模光纤的成本比单模光纤低
Answer: BC

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Real GB0-800 exam answers

admin — Mon, 03 Aug 2009 11:16:55 +0000

New GB0-800 trainning materials

Exam Number/Code: GB0-800
Questions and Answers:866 Q&As

Updated Time: 2009-09-07
Register for Exam: Prometric/Pearson VUE
Exam Name:Huawei-3Com Certified internet Expert:Routing and Switching

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Exam : HuaWei GB0-800
Title : Huawei-3Com Certified internet Expert:Routing and Switching

1. 在L2TP组网中，假设LAC与LNS都已在公共网上，并实现正确连通的情况下，如果Tunnel建立失败，那么可能的原因有（）
A. 在LAC端，LNS的地址设置不正确
B. LAC端设置的用户名与密码有误
C. Tunnel验证不通过
D. LNS（通常为路由器）端没有设置可以接收该隧道对端的L2TP组
Answer: ACD

2. 下列关于HOPE的说法正确的是（）
A. HOPE解决了作为下层PE的BGP连接数量大的问题
B. HOPE解决了作为下层PE的VPN路由数量大的问题
C. SPE可以同时作为UPE
D. HOPE支持嵌套
Answer: ABCD

3. STP发送配置消息的目的地址是（）
A. 01-80-C1-00-00-00
B. 01-80-C2-00-00-00
C. 01-80-C3-00-00-00
D. 01-80-C4-00-00-00
Answer: B

4. 在标签转发过程中，MPLS报文头中的TTL减一，IP报文头中的TTL同时也会减一。
T. True
F. False
Answer: F

5. 在OSI七层模型中，两台主机之间进行通信时，其中一台主机的会话层通常只和对端的（）进行通信。
A. 物理层
B. 网络层
C. 传输层
D. 表示层
E. 会话层
F. 数据链路层
Answer: E

6. 下列关于多链路帧中继说法错误的有（）
A. 多链路帧中继（Multilink Frame Relay，简写为MFR）基于帧中继论坛的FRF.16协议
B.多链路帧中继特性提供一种逻辑接口：MFR接口，由多个帧中继物理链路捆绑而成，从而可以在帧中继网络上提供高速率、大带宽的链路
C. 对同一个MFR接口必须捆绑速率一致的物理接口，否则将无法绑定成功
D. 一个MFR接口对应一个捆绑，一个捆绑中可以包含多个捆绑链路，一个捆绑链路对应着一个物理接口或者子接口
Answer: CD

7. 以太网报头中的以太网帧类型字段为0 x 8035时，表示后面数据的类型可能为：（）
A. ARP请求
B. ARP应答
C. RARP请求
D. RARP应答
Answer: CD

8. FTP的常用端口号为：（）
A. 20，21
B. 21，22
C. 20，22
D. 21，23
Answer: A

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admin — Mon, 03 Aug 2009 11:16:54 +0000

New GB0-323 trainning materials

Exam Number/Code: GB0-323
Questions and Answers:300 Q&As

Updated Time: 2009-09-26
Register for Exam: Prometric/Pearson VUE
Exam Name:Constructing Enterprise-level Switching Networks

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Exam : HuaWei GB0-323
Title : Constructing Enterprise-level Switching Networks

1. 在STP中，Max Age的值一般推荐通过配置网络直径来间接改变这个参数。
T. True
F. False
Answer: T

2. 在Quidway S系列中低端交换机上，生成树功能缺省是打开的。
T. True
F. False
Answer: F

3. 因特网组管理协议（IGMP）是主机与路由器之间的信令协议，它定义了主机与路由器之间组播成员关系的建立和维护机制，是整个IP组播的基础。
T. True
F. False
Answer: T

4. 下面关于配置IGMP时间参数配置命令的解释正确的有（）
A. igmp timer query seconds命令用于设置交换机发送查询报文的时间间隔；
B. igmp timer query seconds命令用于设置交换机发送查询报文中的最大响应时间；
C. igmp max-response-time seconds命令用于设置交换机发送查询报文中的最大响应时间；
D. igmp timer other-querier-present seconds命令用于设置交换机监听查询器存在的超时时间。
Answer: ACD

5. STP是一种路由协议。
T. True
F. False
Answer: F

6. 组播协议分为组成员管理协议和组播路由协议，下列协议属于组成员管理协议的是（）
A. GVRP
B. GMRP
C. IGMP
D. PIM
Answer: C

7. 801D中规定了Disabled端口状态，此状态的端口具有的功能是（）
A. 不收发任何报文
B. 不接收或转发数据，接收但不发送BPDU，不进行地址学习
C. 不接收或转发数据，接收并发送BPDU，不进行地址学习
D. 不接收或转发数据，接收并发送BPDU，开始地址学习
E. 接收或转发数据，接收并发送BPDU，开始地址学习
Answer: A

8. RSTP之所以能实现网络的快速恢复，在于（）
A. RSTP减少了端口从阻塞到转发的时延
B. RSTP中，如果旧根端口进入阻塞状态，且新根端口对端处于转发状态，则立刻进入转发状态
C. 一个非边缘指定端口只需同下游进行一次握手即可快速从阻塞转入转发状态
D. 网桥启动后边缘端口无延时的快速进入转发状态
Answer: ABCD

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Real GB0-363 exam answers

admin — Mon, 03 Aug 2009 11:16:54 +0000

New GB0-363 trainning materials

Exam Number/Code: GB0-363
Questions and Answers:317 Q&As

Updated Time: 2009-09-04
Register for Exam: Prometric/Pearson VUE
Exam Name:Designing Enterprise-level Networks

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Exam : H3C GB0-363
Title : Designing Enterprise-level Networks

1. 在一个只有二层交换机构成的局域网中，如果在交换机上只启用IGMP Snooping，那么（）
A. 组播不通
B. 组播正常，但IGMP Snooping无法正确记录成员端口信息
C. 组播正常，IGMP Snooping也可以正确记录组播成员端口信息
D. 如果同时启用IGMP Spoofing，可以使IGMP Snooping正常工作
Answer: A

2. 在规划小型办公或家用网络过渡到IPv6时，应该（）
A. 根据ISP提供的接入方式, 选择合适的隧道技术接入IPv6 Internet
B. 先使用双栈技术，使所有主机能够同时访问IPv6与IPv4
C. 如果ISP不提供任何IPv6接入, 使用6to4连接至IPv6 Internet
D. 如果ISP提供6PE接入，使用6PE技术连接至IPv6 Internet
Answer: AC

3. 开放系统互连安全体系结构中的安全服务有（）和防否认服务。
1)验证；
2)访问控制；
3)数据保密服务；
4)数据完整性服务；
A. 1)和2)
B. 1)、2)和3)
C. 2) 和 4)
D. 1)、2)、3)、4)
Answer: D

4. STP和RSTP对端口状态定义相同的是（）
A. disabled
B. blocking
C. listening
D. learning
E. forwarding
Answer: DE

5. 网络中常见的安全设备包括防火墙Firewall；入侵检测系统（IDS：Intrusion Detection System）；深度抵御防火墙IPS等。其中IDS通常作为网关设备部署，处于主要业务流量的路径之上。而Firewall和IPS则通常作为旁路设备部署。
A. True
B. False
Answer: B

6. 关于动态路由协议的描述，下列哪些是正确的（）
A. RIPng的原理与RIP一样，但改进了RIP收敛速度慢的缺点
B. OSPFv3协议的报文格式与OSPF报文一样，但做了改进以能够支持IPv6
C. MBGP是IPv6网络中唯一的EGP路由协议
D. 因为IS-IS原本就支持多协议，所以不用做任何改动就可以支持IPv6
Answer: C

7. 路由欺骗防止：推荐在同用户内网相连运行OSPF协议的接口指定为Silent状态，并配置MD5验证。
A. True
B. False
Answer: B

8. PIM-SM中可以没有RP。
A. True
B. False
Answer: B

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Real GB0-280 exam answers

admin — Mon, 03 Aug 2009 11:16:40 +0000

New GB0-280 trainning materials

Exam Number/Code: GB0-280
Questions and Answers:400 Q&As

Updated Time: 2009-09-18
Register for Exam: Prometric/Pearson VUE
Exam Name:Constructing Enterprise-level Routing Networks

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Real GB0-283 exam answers

admin — Mon, 03 Aug 2009 11:16:36 +0000

New GB0-283 trainning materials

Exam Number/Code: GB0-283
Questions and Answers:300 Q&As

Updated Time: 2009-09-15
Register for Exam: Prometric/Pearson VUE
Exam Name:Constructing Enterprise-level Routing Networks

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Exam : HuaWei GB0-283
Title : Constructing Enterprise-level Routing Networks

1. 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

2. 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

3. 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

4. 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

5. 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

6. 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

7. 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

8. 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

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