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H3C GB0-191 Exam Syllabus Topics:

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

1. 某网络连接如下所示:
HostA----GE0/0--MSR-1--S1/0---------S1/0--MSR-2--GE0/0----HostB
客户要求仅仅限制 HostA 与 HostB 之间的 ICMP 报文,如下哪些做法是可行的 ? （多选)

A) 在 MSR-1 上配置 ACL 禁止源主机 HostB 到目的主机 HostA 的 ICMP 报文,并将此 ACL 应用在 MSR-1 的 GE0/0 的 outbound 方向
B) 在 MSR-1 上配置 ACL 禁止源主机 HostA 到目的主机 HostB 的 ICMP 报文,并将此 ACL 应用在 MSR-1 的 S1/0 的 outbound 方向
C) 在 MSR-1 上配置 ACL 禁止源主机 HostA 到目的主机 HostB 的 ICMP 报文,并将此 ACL 应用在 MSR-1 的 GE0/0 的 outbound 方向
D) 在 MSR-1 上配置 ACL 禁止源主机 HostB 到目的主机 HostA 的 ICMP 报文,并将此 ACL 应用在 MSR-1 的 S1/0 的 outbound 方向

2. 路由器 MSR-1 的 GE0/0 接口地址为 192.168.100.1/24 ,该接口连接了一台三层交换机,而此三层交换机为客户办公网络的多个网段的默认网关所在。 MSR-1 通过串口 S1/0 连接到 Internet 。全网已经正常互通,办公网用户可以访问 Internet 。
出于安全性考虑,需要禁止客户主机 ping MSR-1 的 GE0/0 接口,于是在该路由器上配置了如下 ACL :
acl number 3008
rule 0 deny icmp source 192.168.1.0 0.0.0.255
同时该 ACL 被应用在 GE0/0 的 inbound 方向。发现局域网内 192.168.0.0/24 网段的用户依然可以 ping 通 GE0/0 接口地址。根据如上信息可以推测 _______ 。

A) 该 ACL 应用的方向错误
B) 对接口 GE0/0 执行 shutdown 和 undo shutdown 命令后,才会实现 192.168.0.0/24 网段 ping 不通 MSR-1 以太网接口地址
C) 该 ACL 没有生效
D) 防火墙默认规则是允许

3. 119.100.1100 1000
132.119.100.1100 1111 .... 广播地址
13.TFTP 采用的传输层知名端口号为 ______ 。

A) 69
B) 67
C) 53
D) 68

4. 下列域名表示方式正确的是 ______ 。（多选)

A) www.China_Finance.com
B) KK114.com.cn
C) 111.222.333.cn
D) www.95588.com

5. 配置交换机 SWA 的桥优先级为 0 的命令为 ______ 。

A) [SWA] stp priority 0
B) [SWA-Ethernet1/0/1] stp priority 0
C) [SWA] stp root priority 0
D) [SWA-Ethernet1/0/1] stp root priority 0

Solutions: