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H3C GB0-191 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| WAN Access and Interconnection | 10% | - HDLC and PPP protocols - NAT/PAT configuration - Common WAN technologies |
| Network Security and Management | 10% | - Access control list (ACL) fundamentals - Basic security policies - Device management and troubleshooting |
| LAN Switching Technologies | 25% | - VLAN configuration and trunking - Ethernet switching principles - STP/RSTP/MSTP protocols - Link aggregation and port security |
| IP Routing Technologies | 20% | - Routing table principles - RIP protocol basics and configuration - Static routing configuration - Introduction to OSPF |
| Getting Started with H3C Network Devices | 10% | - H3C Comware operating system - Device file management and system maintenance - Command-line interface basics |
| Advanced TCP/IP and IP Addressing | 15% | - IPv4 addressing and subnetting - ARP, ICMP, DNS and DHCP - IPv6 basics and address format |
| Computer Network Fundamentals | 10% | - TCP/UDP principles and application - OSI & TCP/IP reference models - LAN & WAN basic concepts |
H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:
1. 通过控制台( Console )端口配置刚出厂未经配置的 MSR 路由器,终端的串口波特率应设置为 _____ 。
A) 115200
B) 9600
C) 2400
D) 38400
2. 客户路由器 MSR-1 的以太网口 Ethernet1/0 配置如下:
interface Ethernet0/0
ip address 192.168.0.1 255.255.255.0
该接口连接了一台三层交换机,而此三层交换机为客户办公网络的网段 192.168.7.0/24~192.168.83.0/24 的默认网关所在。
现在客户要求在 MSR-1 上配置 ACL 来禁止办公网络所有用户向 MSR-1 的地址 192.168.0.1 发起 Telnet ,那么下面哪项配置是正确的 ?
A) acl number 3000 rule 0 deny 0.0.0.0 255.255.255.255 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 outbound
B) acl number 3000 rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 outbound
C) acl number 3000 rule 0 deny 0.0.0.0 255.255.255.255 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 inbound
D) acl number 3000 rule 0 deny 255.255.255.255 0 destination 192.168.0.1 0 destination-port eq telnet interface Ethernet0/0 ip address 192.168.0.1 255.255.255.0 firewall packet-filter 3000 inbound
3. 某网络连接形如:
HostA----GE0/0--MSR-1--S1/0------S1/0--MSR-2--GE0/0----HostB
其中,两台空配置的 MSR 路由器 MSR-1 和 MSR-2 通过各自的 S1/0 接口背靠背互连,各自的 GE0/0 接口分别连接客户端主机 HostA 和 HostB 。所有物理连接都正常。
现在在 MSR-2 的 S1/0 接口下增加如下配置:
interface Serial1/0
link-protocol ppp
ppp pap local-user 123 password simple 456
ip address 6.6.6.1 255.255.255.0
那么 ______ 。(多选)
A) 在进行 PAP 验证时, MSR-2 会先把密码 456 以明文的方式发送给 MSR-1
B) 在进行 PAP 验证时, MSR-2 会先把用户名 123 和密码 456 发给 MSR-1
C) 在 MSR-1 的 S1/0 接口上如果只配置 PPP 封装以及 IP 地址 6.6.6.2/24 则不可互通
D) 在 MSR-1 的 S1/0 接口上只需配置 PPP 封装以及 IP 地址 6.6.6.2/24 即可互通
4. 在配置完 NAPT 后,发现有些内网地址始终可以 ping 通外网,有些则始终不能,可能的原因有 ______ 。
A) NAT 配置没有生效
B) NAT 的地址池只有一个地址
C) NAT 设备性能不足
D) ACL 设置不正确
5. 在 MSR 路由器上,如果想查看 NAT 转换的报文数量,应该使用 ______ 命令。
A) display nat session
B) display nat
C) display nat counter
D) display acl
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: B,D | Question # 4 Answer: D | Question # 5 Answer: D |






