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Huawei HCIE-Security (Huawei Certified Internetwork Expert-Security) (H12-731中文版) Sample Questions:

1. 如下配置,当接口 G0/0/1 物理状态 down 后,交换机 switch 将发生什么变化
PC ----------------- (G0/0/1) FW (G0/0/2) ---------------- Switch
#
interface GigabitEthernet0/0/1
link-group 1
interface GigabitEthernet0/0/2
link-group 1
#

A) Switch 接口地址的 ARP 表项将老化失效。
B) Switch 接口地址的 ARP 表项被立即删除。
C) 防火墙发免费 ARP 给上行设备 Switch 更新 MAC 地址。
D) 没有变化。

2. 内部网络安全,关于规划部署建议优先考虑项有以下哪些选项 ?

A) 防火墙和交换机虚拟化实现业务隔离
B) 计算网络和存储网络物理隔离
C) 开启 DDoS 功能
D) 开启 NAT 功能
E) 应用三层架构平面隔离

3. 某企业网络中存在多个真实服务器对外提供 FTP 服务,配置负载均衡功能,保证流经 USG 的流量负载均衡。
管理员希望通过检测真实服务器状态,实现每台服务器的负载比例与权值比例相同,下列合适的配置是:

A) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric srchash [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
B) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric least-connection [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
C) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric weightrr [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
D) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric roundrobin [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit

4. 对于 - 些大的 IP 数据包,为了满足链路层的 MTU （ Maximum Transmission Unit )的要求,需要传送过程中对其进行分片,分成几个 IP 包。在每个 IP 报头中有一个偏移字段和一个拆分标志（ MF ),其中偏移字段指出了这个片段在整个 IP 包中的位置。如果攻击者截取 IP 数据包后,把偏移字段设置成不正确的值,接收端在收到这些分拆的数据包后,就不能按数据包中的偏移字段值正确组合出被拆分的数据包,这样,接收端会不停的尝试,以至操作系统因资源耗尽而崩溃。
此种攻击方法是什么 ?

A) TCP 报文标志位攻击
B) Teardrop 攻击
C) WinNuke 攻击
D) Ip 分片报文攻击

5. VGMP 统一管理 VRRP 备份组状态, VGMP 管理组 Active 的优先级为 65001 , Standby 优先级为 65000 。当 VGMP 管理组通过 VRRP 备份组或直接监测到接口 Down 时,会重新计算 VGMP 管理组优先级,每个接口 Down 时, VGMP 管理组优先级降低 2 。

A) TRUE
B) FALSE

Solutions: