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H3C GB0-191 Exam Syllabus Topics:

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

1. 某网络连接形如:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
两台 MSR 路由器 MSR-1 、 MSR-2 通过各自的 S1/0 接口背靠背互连,各自的 GE0/0 接口分别连接客户端主机 HostA 和 HostB 。其中 HostA 的 IP 地址为 192.168.0.2/24 , MSR-2 的 S0/0 接口地址为 1.1.1.2/30 ,通过配置其他相关的 IP 地址和路由目前网络中 HostA 可以和 HostB 实现互通。
如今客户要求不允许 HostA 通过地址 1.1.1.2 Telnet 登录到 MSR-2 。
那么如下哪些配置可以满足此需求 ? （多选)

A) 在 MSR-1 上配置如下 ACL 并将其应用在 MSR-1 的 GE0/0 的 outbound 方向: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl-adv-3000]rule 0 deny tcp source 192.168.0.2 0 destination 1.1.1.2 0 destination-port eq telnet
B) 在 MSR-1 配置如下 ACL 并将其应用在 MSR-1 的 GE0/0 的 inbound 方向: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl-adv-3000]rule 0 deny tcp source 192.168.0.1 0.0.0.255 destination 1.1.1.2 0.0.0.3 destination-port eq telnet
C) 在 MSR-1 上配置如下 ACL 并将其应用在 MSR-1 的 S1/0 的 outbound 方向: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl-adv-3000]rule 0 deny tcp source 192.168.0.2 0 destination 1.1.1.2 0.0.0.3 destination-port eq telnet
D) 在 MSR-1 上配置如下 ACL 并将其应用在 MSR-1 的 S1/0 的 inbound 方向: [MSR-1]firewall enable [MSR-1]acl number 3000 [MSR-1-acl-adv-3000]rule 0 deny tcp source 192.168.0.1 0.0.0.255 destination 1.1.1.2 0 destination-port eq telnet

2. 在路由器的路由表中有一条目的网段为 10.168.100.0/24 的路由,其 Cost 为 20 , Preference 为 255 ,那么关于该路由的说法,如下哪些是正确的 ?

A) 这条路由的优先级是最高值,表示任何来自不可信源端的路由
B) 这条路由一定是通过动态路由学习到的
C) Cost 20 表示该路由的跳数是 20
D) 这是一条有效的动态路由

3. DNS 工作于 OSI 参考模型的 ______ 。

A) 网络层
B) 会话层
C) 传输层
D) 应用层

4. 在 display interface 命令的显示中,下列哪项的 LCP 和 NCP 的状态表示 PPP 链路已经建立完成 ?

A) LCP Opened , IPCP Opened
B) LCP Closed , IPCP Opened
C) LCP Initial , IPCP Closed
D) LCP Closed , IPCP Closed

5. 下列选项中,哪些是基于 MAC 地址的 802.1x 验证的特点 ? （多选)

A) 当某个用户下线时,只有该用户无法使用网络
B) 只要端口下的第一个用户验证成功后,其他接入用户无须验证就可使用网络资源
C) 当端口下的第一个用户下线后,其他用户也会被拒绝使用网络
D) 端口下的所有接入用户需要单独验证

Solutions: