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Huawei H12-731 中文 Exam Syllabus Topics:

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

1. 防火墙诊断转发类故障的手段有哪些 ?

A) 详细丢包分类的统计
B) 报文失踪
C) 查看会话表
D) Debug IP Packet
E) 基于 5 元组的丢包统计

2. 使用 UTM 以下哪些功能时,需要保证设备连接到安全服务中心 ?

A) 加载 IPS 引擎
B) 在线升级 IPS 签名库
C) 在线升级病毒库
D) 远程 URL 过滤
E) 对传输的文件进行病毒扫描

3. 通过 TCP 反向源探测和 TCP 代理技术可以防范 SYN Flood 攻击,比较两种防范技术说法正确的是:

A) 反向源探测机制和 TCP 代理方式的防范技术必须开启状态检测机制。
B) SYN 报文速率达到告警阐值 alert-rate-number 时,设备才可以对 SYN 报文进亏 TCP 代理检查。
C) SYN 报文速率达到告警阐值 alert-rate-number 时,设备才可以对 SYN 报文进行源认证检查。
D) 使用 TCP 代理方式可以应用在来回路径不一致的场景。

4. 攻击者以被攻击者的 IP 地址向网络中的广播地址发送 TCMP 请求报文,使得网络中的所有主机向被攻击者回应 ICMP 应答报文,造成受害者系统繁忙,链路拥塞。
此种攻击为何攻击 ?

A) Land 攻击
B) IP 欺骗攻击
C) Smurf 攻击
D) Fraggle 攻击

5. 某客户使用多个分支设备和总部 USG_A 设备做 IPsec 对接,采用点到多点 IPsec ,子策略方式建立 VPN 。多个分支都是固定 IP 地址,大多数分支到总部 IPsec 链路都可以正常通信,并且内网（分支到总部)之间可以互相通信,唯独其中一个分支的内网 PC 和总部内网之间不能正常通信,但是 IPsec VPN 道已经协商成功。
可能有哪些原因 ?

A) 总部没有到达故障分支的回程路由。
B) ACL 范围配置错误。
C) 两端的 IPsec 提议算法不一致,导致报文无法解密。
D) 可能一端使用 IKEv2 协商,一端使用 IKEv1 协商。

Solutions: