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H3C GB0-392 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: IPv6 Transition and Optimization | 10% - 15% | - IPv6 network security and performance - Transition technologies
|
| Topic 2: High Availability and Reliability Technologies | 10% - 15% | - Network redundancy design
|
| Topic 3: Quality of Service Optimization | 15% - 20% | - Traffic classification, marking and policing - QoS models and mechanisms
|
| Topic 4: Network Service Optimization | 15% - 20% | - Performance monitoring and analysis
|
| Topic 5: Network Security Architecture and Optimization | 20% - 25% | - Security deployment and optimization
|
| Topic 6: Secure Optimized WAN Overview | 10% - 15% | - Enterprise network architecture models
|
H3CSE-RS-NSO Sample Questions:
Question 1
在 BGP MPLS VPN 组网中,下列关于标签的关系说法正确的是。
A. 私网标签这所有的 PE 和 P 设备上都不能被识别
B. MPLS 使能倒数第二跳以后,倒数第二跳和最后一跳公网设备之间的报文只有一层 MPLS 标签,是私网标签
C. PE 和 CE 设备之间,私网报文只有一层 MPLS 标签,是私网标签
D. 公网设备之间,私网报文通常有两层 MPLS 标签,其中外层是公网标签
Question 2
在一个典型的 PPPoE 组网中, PPPoE Server 和 PPPoE Client 均为 MSR 路由器,如果希望 PPPoE 会话
空闲 3 分钟后自动断线,需要进行以下哪些配置（选则一项或多项)。
A. PPPoE Client 上配置: [HG-Ethernet0/0] pppoe-client dial-bundle-number l idle-timeout 180
B. PPPoE Client 上配置: [HG-Dialerl] pppoe-client dial-bundle-number l idle-timeout 3
C. PPPoE Server 上配置: [RTA-Ethernet0/0] pppoe-client dial-bundle-number l idle-timeout 180
D. PPPoE-Client 上配置: [HG-Dialerl] pppoe-client dial-bundle-number l idle-timeout 3
E. PPPoE Server 上配置: [RTA-Virtual--Template1] pppoe-client dial-bundle-number l idle-timeout 180
F. PPPoE-Server 上配置: [RTA-Virttual-Template1] pppoe-client dial-bundle-number l idle-timeout 3
Question 3
在 S3610 交换机上配置了如下命令
Qos map-table dotlp-lp
Import l export4
Import2 export 5
Interface Ethernetl/0/8
Port link-mode bridge
Port link-tpe trunk
Port trunk permit vlan 1 4
Qos trust dotlp
Interface Ethernetl/0/9
Port link-mode bridge
Port link-tpe trunk
Port trunk permit vlan 1 4
Qos gts an cir 65000 cbs 2000000
则当流量为 40Mbps 的 vlan id 为 4 且 802.1p 优先级为 1 的报文,以及流量为 40Mbps 的 vlan id 为 4 且 802.1p 优先级为 2 的报文同时从端口 E 1/0/8 进入,从端口 E1/0/9 转发时,以下说法中正确的是。（选择一项或多项)
A. 部分配置有误
B. 80Mbps 的报文正常转发
C. 报文流量整形为 65Mbps 进行转发
D. 802.1p 优先级为 1 的报文在出端口 E1/0/9 有丢包
E. 802.1p 优先级为 1 的报文存出端口 E1/0/9 全部转发
F. 802.1p 优先级为 2 的报文在出端口 E1/0/9 全部转发
G. 802.1p 优先级为 2 的报文在出端口 E1/0/9 有丢包
Question 4
VoIP 网络中传送的语音数据的封装格式为
A. IP I TCP I RTP I 语音数据
B. IP I RTP I 语音数据
C. IP I UDP I RTP I 语音数据
D. IP I UDP I RTCP I RTP I 语音数据
Question 5
在 Router1 和 RouLer3 之间创建 GRE 隧道,三台路由器配置命令分别为:
Router1 :
[Router1] interface Serial 0/2/0
[Router1-Serial0/2/0] ip address 10.1.1.1 24
ERouter1] interface loopback 0
[Router1-LoopBackO] ip address 1.1.1.1 32
[Router1] interface Tunnel 0
[Router1-Tunnel0] source 10.1.1.1
[Router1-Tunnel0] destination 20.1.1.2
[Router1-TunnelO] ip address 100.1.1.1 24
[Router1] ospf
[Router1-ospf-1] area 0
[Router1-ospf-1-area-0.0.0.0] network 10.1.1.1 0.0.0.255
[Router1] ip route-static 3.3.3.3 32 100.1.1.2
Router2 :
[Router2] interface Serial 0/2/0
[Router2-Serial0/2/0] ip address 10.1.1.2 24
[Router2] interface Serial 0/2/1
[Router2-Serial0/2/0] ip address 20.1.1.1 24
[Router2] ospf
IRouter1-ospf-1] area 0
[Router1-ospf-1-area-0.0.0.0] network 10.1.1.2 0.0.0.255
[Router1-ospf-1-area-0.0.0.0] network 20.1.1.1 0.0.0.255
Router3 :
[Router3] interface Serial 0/2/0
[Router3-Serial0/2/O] ip address 20.1.1.2 24
[Router3] interface loopback 0
[Router3-LoopBackO] ip address 3.3.3.3 32
[Router3] interface Tunnel 0
[Router3-TunnelO] source 20.1.1.2
[Router3-TunnelO] destination 1 0.1.1.1
[Router3-TunnelO] ip address 100.1.1.2
[Router3] ospf
[Router3-ospf-l] area 0
[Router3-ospf-l-area-0.0.0.0] network 20.1.1.2 0.0.0.255
[Router3] ip route-static l.1.1.1 32 100.1.1.1
在 Router1 上使用命令 ping-a 1.1.1.1 3.3.3.3 ,检查连通性, 100% 收到 ICMP 回包。
上述过程中,以下对各路由器对数据包的处理过程的描述,正确的是。（选择一项或多项)
A. Router3 进行 ICMP Echo Reply 报文 GRE 封装
B. Router2 进行 IP 数据包转发
C. Router1 进行 ICMP Echo Request 报文 GRE 封装
D. Router2 进行 ICMP Echo Request 报文 GRE 解封装
Solutions:
| Question 1 Answer: B,D | Question 2 Answer: A | Question 3 Answer: C,D,F | Question 4 Answer: C | Question 5 Answer: A,B,C |
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