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H3C GB0-191 Exam Syllabus Topics:

Section	Objectives
Topic 1: Advanced TCP/IP	- IPv6 fundamentals 1. Address types, ND, auto-configuration - IP addressing and subnetting 1. VLSM, CIDR, subnet calculation - Core network services 1. DNS, DHCP, FTP/TFTP
Topic 2: LAN Switching	- Spanning Tree Protocol 1. STP/RSTP/MSTP roles, BPDU, loop prevention - Link aggregation and port security 1. LACP, port isolation, 802.1X basics - VLAN technology 1. 802.1Q, trunk/access ports, VLAN segmentation - Switching fundamentals 1. MAC learning, forwarding, filtering
Topic 3: H3C Network Device Basics	- File system and debugging 1. Boot process, file management, ping/tracert - Device architecture and OS 1. Comware OS basics and device types - CLI operation and management 1. Basic commands and configuration access
Topic 4: Computer Network Fundamentals	- OSI and TCP/IP models 1. Layer functions and protocol mapping - Basic networking concepts and classifications 1. Network types, topology, switching methods, performance indicators - LAN fundamentals 1. Ethernet, MAC address, CSMA/CD, media types

H3C Constructing Small - and Medium - Sized Enterprise Network Sample Questions:

Question #1

在交换机上启动生成树协议的命令是 ____ 。

Reveal Solution Discussion 0

Correct Answer:

stp enable

Question #2

交换机 SWA 的端口 Ethernet1/0/24 已经配置成为 Trunk 端口类型。
如果要使此端口允许 VLAN2 和 VLAN3 通过,则需要使用下列哪个命令 ?

A. [SWA]undo port trunk permit vlan 1
B. [SWA-Ethernet1/0/24]undo port trunk permit vlan 2
C. [SWA]port trunk permit vlan 2 3
D. [SWA-Ethernet1/0/24]port trunk permit vlan 2 3

Reveal Solution Discussion 0

Correct Answer: D 🗳️

Question #3

下列哪些是正确的 IPv6 地址 ? （多选)

A. 2001:410:0:1::45FF
B. 2001:410:0:1:45FF
C. 2001:410:0:1:0:0:0:0:45FF
D. 2001:410::1:0:0:0:45FF
E. 2001:410:0:1:0:0:0:45FF

Reveal Solution Discussion 0

Correct Answer: A,D,E 🗳️

Question #4

客户网络中仅有的两台路由器 MSR-1 、 MSR-2 之间的广域网链路采用 PPP 协议,两端通过配置 RIP 互相学习到彼此的路由,目前路由学习正常,现在在 MSR-1 的 RIP 配置中增加如下命令:
[MSR-1-rip-1] silent-interface all
那么 ______ 。（多选)

A. 配置此命令 10 分钟后, MSR-2 路由表中的 RIP 路由消失
B. 此命令使 MSR-1 的所有接口只接收路由更新而不发送路由更新
C. 配置此命令 10 分钟后, MSR-1 路由表中的 RIP 路由消失
D. 此命令使 MSR-1 的所有接口只发送路由更新而不接受路由更新

Reveal Solution Discussion 0

Correct Answer: A,B 🗳️

Question #5

网络环境如图所示。在路由器 RTA 上做如下 NAT 配置:

[RTA]acl number 2000
[RTA-acl-basic-2000]rule 0 permit source 100.0.0.0 0.0.0.255
[RTA]nat address-group 1 200.76.28.11 200.76.28.20
[RTA]interface Ethernet0/1
[RTA-Ethernet0/1]nat outbound 2000 address-group 1 no-pat
配置后, Client_A 和 Client_B 同时访问 Server ,则此时 RTA 的 NAT 表内容可能为 ______ 。

A. Protocol GlobalAddr Port InsideAddr Port DestAddr Port - 200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 512 100.0.0.2 512 200.76.29.4 512 VPN: 0, status:NOPAT, TTL: 00:01:00, Left: 00:01:00
B. Protocol GlobalAddr Port InsideAddr Port DestAddr Port - 200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.21 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 512 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
C. Protocol GlobalAddr Port InsideAddr Port DestAddr Port - 200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1023 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 511 100.0.0.2 511 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00
D. Protocol GlobalAddr Port InsideAddr Port DestAddr Port - 200.76.28.11 --- 100.0.0.2 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:04:00 - 200.76.28.12 --- 100.0.0.1 --- --- --- VPN: 0, status: NOPAT, TTL: 00:04:00, Left: 00:03:59 1 200.76.28.12 1024 100.0.0.1 1024 200.76.29.4 1024 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:00:59 1 200.76.28.11 511 100.0.0.2 512 200.76.29.4 512 VPN: 0, status: NOPAT, TTL: 00:01:00, Left: 00:01:00

Reveal Solution Discussion 0

Correct Answer: A 🗳️

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