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H3C GB0-191 Exam Syllabus Topics:

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

1. 客户的两台 MSR30 路由之间通过广域网接口 S0/0 互连,同时运行了 PPP 以及 RIP 协议。出于安全性的考虑,要分别配置 PPP PAP 验证和 RIP 明文验证。那么这两种验证方式的相同点是 ______ 。

A) 用户名和密码都以明文的形式在网络上传播
B) 都是两次握手验证方式
C) 都是在网络上传递明文关键字
D) 都采用 128bit 密钥长度

2. 使用 ______ 命令查看 NAT 表项。

A) display nat session
B) display nat
C) display nat entry
D) display nat table

3. 在系统启动过程中,根据提示键入 ______ ,系统将中断引导,进入 BootROM 模式。

A) <Ctrl+c>
B) <Ctrl+a>
C) <Ctrl+z>
D) <Ctrl+b>

4. 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 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
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 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
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

5. TCP 协议通过 ______ 来区分不同的连接。

A) 端口号和 IP 地址
B) IP 地址和 MAC 地址
C) 端口号
D) 端口号和 MAC 地址

Solutions: