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

1. 下面关于 IP 地址的说法错误的是 ______ 。（多选)

A) IP 地址由两部分组成:网络号和主机号。
B) A 类 IP 地址的网络号有 8 位,实际的可变位数为 7 位。
C) 地址转换（ NAT )技术通常用于解决 A 类地址到 C 类地址的转换。
D) C 类 IP 地址的第一个八位段以 100 起始。

2. A 类地址的默认子网掩码是 ______ 。

A) 255.0.0.0
B) 255.255.255.0
C) 以上都不正确
D) 255.255.0.0

3. DNS 采用的传输层协议知名端口号是 ______ 。

A) 55
B) 51
C) 50
D) 53

4. 三台 MSR 路由器连接在同一个 LAN 网络中,如图所示。在三台路由器的 LAN 互连网段运行 OSPF , RTA 、 RTB 、 RTC 的 DR 优先级分别为 2 、 2 、 3 。

由于 RTC 的 LAN 链路故障,目前只有 RTA 和 RTB 在正常工作,且 RTA 与 RTB 之间的 OSPF 邻居状态稳定。那么 _____ 。（多选)

A) RTC 的链路恢复后,网络中将建立 2 个 OSPF 邻接关系
B) RTC 的链路恢复后,网络中将建立 3 个 OSPF 邻接关系
C) RTC 的链路恢复后, RTC 和 RTB 的 OSPF 邻接状态是 FULL
D) RTC 的链路恢复后,网络中将重新选择 DR , RTC 将会成为新的 DR

5. IP 地址 202.135.111.77 对应的自然分类网段的广播地址为 _____________ 。

Solutions: