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H3C GB0-191 Exam Syllabus Topics:

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

1. 在如图所示的交换网络中,所有交换机都启用了 STP 协议。

SWA 被选为了根桥。根据图中的信息来看, ______ 端口应该被置为 Blocking 状态

A) 信息不足,无法判断
B) SWB 的 P1
C) SWC 的 P1
D) SWB 的 P2
E) SWC 的 P2

2. 在网络层上实现网络互连的设备是 ______ 。

A) 交换机
B) 集线器
C) 中继器
D) 路由器

3. 在一台 MSR 30 路由器的路由表中发现其中去往目的网段 61.232.200.253/22 的路由的 Cost 值为 16 ,那么关于此路由条目的描述正确的是 ______ 。（多选)

A) 如果该路由是通过 RIP 协议学习到的,那么有可能网络 61.232.200.253/22 发生了故障
B) 该路由只能是一条动态路由
C) 该路由可能是一条静态路由
D) 如果该路由是通过 RIP 协议学习到的,那么该路由可能处于抑制状态

4. 在如图所示的 TCP 连接的建立过程中, SYN 中的 Z 部分应该填入 ________ 。

A) a
B) b
C) a+1
D) b+1

5. 客户路由器的接口 GigabitEthernet0/0 下连接了局域网主机 HostA ,其 IP 地址为 192.168.0.2/24 ；
接口 Serial6/0 接口连接远端,目前运行正常。现增加 ACL 配置如下:
firewall enable
firewall default permit
acl number 3003
rule 0 permit tcp
rule 5 permit icmp
acl number 2003
rule 0 deny source 192.168.0.0 0.0.0.255
interface GigabitEthernet0/0
firewall packet-filter 3003 inbound
firewall packet-filter 2003 outbound
ip address 192.168.0.1 255.255.255.0
interface Serial6/0
link-protocol ppp
ip address 6.6.6.2 255.255.255.0
假设其他相关配置都正确,那么 ______ 。（多选)

A) HostA 可以 Telnet 到该路由器上
B) HostA 不能 ping 通 192.168.0.1 ,但是可以 ping 通 6.6.6.2
C) HostA 不能 ping 通 6.6.6.2 ,但是可以 ping 通 192.168.0.1
D) HostA 不能 ping 通该路由器上的两个接口地址

Solutions: