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

1. IP 地址 172.15.1.1 对应的自然分类网段包含的可用主机地址数为 ___________ 。（请填写阿拉伯数字)

2. IP 地址 132.119.100.200 的子网掩码是 255.255.255.240 ,哪么它所在的 IP 子网地址是 ______ 。

A) 132.119.100.192
B) 132.119.100.0
C) 132.119.100.128
D) 132.119.100.193

3. 客户的网络连接形如:
HostA----GE0/0--MSR-1--S1/0-----WAN----S1/0--MSR-2--GE0/0----HostB
在两台路由器 MSR-1 和 MSR-2 的广域网接口 S1/0 上都只封装了 PPP 协议并配置 IP 地址。目前 HostA 与 HostB 可以互相 ping 通。在 MSR-1 接口 S1/0 下增加命令 ppp authentication-mode chap ,然后对 MSR-1 的 S1/0 执行 shutdown 和 undo shutdown 操作。
那么 ______ 。（多选)

A) MSR-1 会发送 Challenge ,同时附带本端的用户名一起发送给 MSR-2 开始 CHAP 验证
B) MSR-2 会发送 Challenge ,同时附带本端的用户名一起发送给 MSR-1 开始 CHAP 验证
C) 此时 HostA 与 HostB 之间无法互相 ping 通
D) 此时 HostA 与 HostB 依然可以互相 ping 通

4. 802.11b 协议在 2.4GHz 频段定义了 14 个信道,相邻的信道之间在频谱上存在交叠。
为了最大程度地利用频段资源,可以使用如下哪组信道来进行无线覆盖 ?

A) 3 、 6 、 9
B) 2 、 6 、 10
C) 1 、 5 、 9
D) 1 、 6 、 11

5. 在 MSR 路由器上可以为 Telnet 用户配置不同的优先级,关于此优先级的说法错误的是 ______ 。（多选)

A) 数值越小,用户的优先级越低
B) 3 为管理级
C) 0 为访问级
D) 1 为监控级
E) 2 为设备级
F) 数值越小,用户的优先级越高

Solutions: