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H3C GB0-372 Exam Syllabus Topics:

H3CSE-RS-SW Sample Questions:

1. 主机 PCA 、 PCB 和 PCC 分别连接接在交换机 SWA 的 Ethernet1/0/1 Ethernet1/0/2 和 Ethernet1/0/3 端口上,并且其地址处于同 - 网段,在 SWA 上查看 VLAN 有如下显示:
[SWA] display vlan 10
VLAN ID:10
VLAN Type: static
Route Interface: not configured Description: VLAN 0010Name: VLAN 0010
Tagged Ports: none Untagged Ports: Ethernet1/0/1 Ethernet1/0/24 [SWA] display vlan 20VLAN ID: 20
VLAN Type: static
Route Interface: not configured Description: VLAN 0020Name: VLAN 0020
Tagged Ports: none Untagged Ports :
Ethernet1/0/2Ethernet1/0/24 [SWA] display vlan 30VLAN ID: 30
VLAN Type: static
Route Interface: not configured Description: VLAN 0030Name: VLAN 0030
Tagged Ports: none Untagged Ports :
Ethernetl/0/1 Ethernetl/0/2 Ethernet1/0/24 从以上输出信息可以判断

A) PCA 、 PCB 和 PCC 之间两两不能互通
B) PCA 可以和 PCB 互通
C) PCA 可以和 PCC 互通
D) PCB 可以和 PCC 互通

2. 以下关于广域网的说法,错误的是 _______

A) HDLC 协议只支持点到点链路,不支持点到多点链路。
B) 当 CE1/PRI 接口使用 CE1/PRl 工作方式时,它在物理上分为 32 个时队,对应编号为 0~31 ,其中 0 时隙用于传输同步信息。
C) 当 CE1/PRI 接口使用 E1 工作方式时,它相当于一个不分时隙、数据带宽为 2Mbps 的接口,其特性与同步串口相同,支持 PPP 、帧中继、 LAPB 和 X.25 等数据链路层协议,支持 IP 和 IPX 等网络协议。
D) HDLC 协议可以封装在同步链路上,也可以封装在异步链路上。

3. 主机 PCA 的 IP 地址为 40.1.1.1 , MAC 地址为 0011.1111.11 ,接在交换机的 GigabitEthernet1/0/1 口,在交换机上配置了如下命令:
[H3C] vlan 10 [H3C-vlan10] quit
[H3C] vlan 20
[H3C-vlan20] protocol-vlan ipv4
[H3C-vlan20] quit
[H3C] vlan 30 [H3C-vlan30] quit
[H3C] mac-vlan mac-address 0022-2222-2222 vlan 30
[H3C] vlan 40
[H3C-vlan40] ip-subnet-vlan ip 40.1.1.0 255.255.255.0
[H3C-vlan40] quit
[H3C] interface GigabitEthernet 1/0/1
[H3C-GigabitEthernet1/0/1] port link-type hybrid
[H3C-GigabitEthernet1/0/1] port hybrid pvid vlan 10
[H3C-GigabitEthernet1/0/1] port hybrid vlan 10 20 30 40 untagged
[H3C-GigabitEthernet1/0/1] port hybrid protocol-vlan vlan 20 0
[H3C-GigabitEthernet1/0/1] port hybrid ip-subnet-vlan vlan 40
[H3C-GigabitEthernet1/0/1] mac-vlan enable
配置完成后,可以判断 PCA 会加入

A) VLAN 20
B) VLAN 40
C) VLAN 10
D) VLAN 30

4. 下面关于三层交换机的说法正确的是

A) 三层交换机中包含二层 VLAN 转发引擎和三层转发引擎两个部分
B) 三层交换机的三层转发引擎就相当于传统组网中的路由器的功能,使用硬件 ASIC 技术实现跨网段的三层路由转发
C) 三层交换机上实际上结合了二层交换机和路由器的部分功能,提高了网络集成度,增强了转发性能
D) 三层交换机在功能上实现了 VLAN 的划分、 VLAN 内部的二层交换和 VLAN 间路由的功能

5. 在如图所示的交换网络中,交换机 SWA 上设置 VLAN10 为 Private VLAN , VLAN2 和 VLAN3 为 VLAN10 的 Secondary VLAN ；交换机 SWB 上创建 VLAN2-VLAN20 ,并且设置 VLAN20 为 Private VLAN , VLAN4 为 VLAN20 的 Secondary VLAN 。按照如图所示设置好各设备的 IP 地址后,如果在 SWA 和 SWB 上都开启了本地 ARP 代理功能,并且 SWA 和 SWB 都允许发送 ICMP 报文则在 PCA 上执行命令 tracert 10.1.1.2 , PCA 上显示第一跳到达的目的 IP 地址为（)

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