H3C GB0-191

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

1. 链路聚合的作用是 ______ 。

A) 可以实现数据的负载均衡。
B) 增加了交换机间的链路可靠性。
C) 可以避免交换网环路。
D) 增加链路带宽。

2. 路由器 S0/0 接口通过帧中继接入网络,在此路由器上看到如下接口信息:
[MSR]display interface Serial 0/0
Serial0/0 current state: UP
Line protocol current state: UP
Internet Address is 3.3.3.1/24 Primary
Link layer protocol is FR IETF
LMI DLCI is 0, LMI type is Q.933a, frame relay DTE
LMI status enquiry sent 91, LMI status received 69
LMI status timeout 22, LMI message discarded 1
那么可知 ______ 。（多选)

A) 本接口已经发送了 91 个状态查询报文来查询接口的 PVC 状态
B) 接口的 PVC 状态已经是 UP
C) 接口使用虚电路号是 DLCI 0
D) 接口封装的 LMI 类型是 Q.933a

3. 如图,三台 MSR 路由器之间分别运行 OSPF 以及 RIP 。

如今 RTA 与 RTB 之间的 OSPF 邻居状态稳定, RTB 与 RTC 之间的 RIPv2 也工作正常,那么此刻起 40 分钟之内, ______ 。（多选)

A) 网络中一定有组播地址为 224.0.0.13 的报文
B) RTB 向 RTA 发送了至少 1 次自己的 LSA 摘要信息
C) RTB 向 RTC 发送了至少 10 次自己的全部路由表信息
D) 网络中一定有组播地址为 224.0.0.5 的报文

4. 下面关于帧中继地址映射的说法,正确的是 ______ 。（多选)

A) 帧中继地址映射是把本端设备的 DLCI 与对端设备的 DLCI 关联起来。
B) 帧中继地址映射可以使用 Inverse ARP 动态维护。
C) 帧中继地址映射可以手工配置。
D) 在承载 IP 协议时,帧中继地址映射用来把下一跳 IP 地址和本地 DLCI 联系起来。

5. 客户的网络连接形如:
N1-----MSR-1-----MSR-2----MSR-3-----N2
在 MSR-1 上配置了如下的静态路由:
ip route-static 192.168.100.0 255.255.0.0 null0
那么关于此路由的解释正确的是 ______ 。（多选)

A) 如果匹配了这条静态路由,那么数据包会被丢弃而且不向源地址返回任何信息
B) 在该路由器上,所有目的地址属于 192.168.100.0/16 的数据包都会被丢弃匹配了这条路由才会丢弃
C) 在某些情况下,该路由可以避免环路
D) 该静态路由永远存在于路由表中

Solutions: