H3C GB0-191 : Constructing Small - and Medium - Sized Enterprise Network

GB0-191 real exams

Exam Code: GB0-191

Exam Name: Constructing Small - and Medium - Sized Enterprise Network

Updated: Aug 01, 2026

Q & A: 434 Questions and Answers

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H3C GB0-191 Exam Syllabus Topics:

SectionWeightObjectives
WAN Access and Interconnection10%- HDLC and PPP protocols
- NAT/PAT configuration
- Common WAN technologies
Network Security and Management10%- Access control list (ACL) fundamentals
- Basic security policies
- Device management and troubleshooting
LAN Switching Technologies25%- VLAN configuration and trunking
- Ethernet switching principles
- STP/RSTP/MSTP protocols
- Link aggregation and port security
IP Routing Technologies20%- Routing table principles
- RIP protocol basics and configuration
- Static routing configuration
- Introduction to OSPF
Getting Started with H3C Network Devices10%- H3C Comware operating system
- Device file management and system maintenance
- Command-line interface basics
Advanced TCP/IP and IP Addressing15%- IPv4 addressing and subnetting
- ARP, ICMP, DNS and DHCP
- IPv6 basics and address format
Computer Network Fundamentals10%- 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

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