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H3C GB0-191 Exam Syllabus Topics:

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

1. MSTP 的特点有 ______ 。（多选)

A) MSTP 将环路网络修剪成为一个无环的树型网络,避免报文在环路网络中的增生和无限循环,同时还可以提供数据转发的冗余路径,在数据转发过程中实现 VLAN 数据的负载均衡。
B) MSTP 兼容 STP 和 RSTP 。
C) MSTP 把一个交换网络划分成多个域,每个域内形成多棵生成树,生成树间彼此独立。
D) 以上说法均不正确

2. 三台 MSR 路由器通过图示的方式连接, 192.168.1.0/30 为 RTA 和 RTB 之间的互连网段, 10.10.10.0/30 是 RTB 和 RTC 之间的互连网段。

在三台路由器的互连接口上都运行了 OSPF 而且都属于 Area 0 ,同时在 Area 0 里都只发布了三台路由器互连接口网段。
假设 OSPF 运行正常, OSPF 邻居建立成功,那么 ______ 。（多选)

A) 如果三台路由器之间的链路都是以太网,那么网络中可能只有一个 DR
B) RTB 的路由表中没有 OSPF 路由
C) 如果三台路由器之间的链路都是以太网,那么网络中至少有两个 DR
D) 三台路由器的 OSPF 邻居状态稳定后,三台路由器有同样的 LSDB

3. 配置交换机 SWA 工作在 RSTP 工作模式下的命令为 ______ 。

A) [SWA-Ethernet1/0/4] stp mode rstp
B) [SWA] undo stp mode stp
C) [SWA-Ethernet1/0/4] undo stp mode stp
D) [SWA]stp mode rstp

4. 在 MSR 路由器上,如果想查看回收站里的文件,可以使用 ______ 命令。

A) dir recycle-bin
B) dir /all
C) dir trash
D) dir all-file

5. 在交换机 SWA 上执行 display stp 命令后,交换机输出如下: [
SWA]display stp
-------[CIST Global Info][Mode MSTP]-------
CIST Bridge :32768.000f-e23e-f9b0
Bridge Times :Hello 2s MaxAge 20s FwDly 15s MaxHop 20
从以上输出可以判断 ______ 。

A) 当前交换机工作在 MSTP 模式下
B) 当前交换机的桥优先级是 32768
C) 当前交换机工作在 RSTP 模式下
D) 当前交换机是根桥

Solutions: