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Only need to practice for 20 to 30 hours

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

1. 关于 UDP Flood 和 TCP Flood 攻击防范说法正确的是:

A) UDP 报文的指纹学习功能通过学习报文数据段全部字段。
B) UDP 协议是无连接的,因此无法通过源探测实现。
C) 防范 UDP Flood 通过分析某个主机发送 UDP 报文的规律和特征,这个规律和特征被称为指纹学习。
D) UDP 和 TCP 协议可以通过代理技术实现。

2. 某网络期望使用 URPF 技术提高网络安全性,如下组网场景使用了 URPF 的哪种模式:

A) 严格模式或者松散模式
B) 根据题干信息,无法判断相应的模式
C) 严格模式
D) 松散模式

3. 移动办公员工通过 L2TP over IPsec 隧道接入总部,关于规划部署说法正确的是:

A) 由于 IKE V1 无法分配地址给远程用户,因此必须通过 L2TP 实现地址分配。
B) 总部 USG 网关 Security ACL 应该是 [USG] acl 3000 [USG-acl-adv-3000] rule permit udp source-port eq 1701
C) L2TP 一般使用 NAS-Initialized 模式。
D) 不能使用 NAT 穿越功能。

4. 根据以下组网,某客户使用了 BGP 引流策略路由回注的方式,在清洗设备上,以下哪个配置是必须配置的 ?

A) ip route-static 0.0.0.0 0 10.1.3.1
B) interface GigabitEthernet2/0/2 anti-ddos flow-statistic enable
C) firewall ddos bgp-next-hop fib-filter
D) firewall ddos bgp-next-hop 10.1.3.1

5. 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) 使用 TCP 代理方式可以应用在来回路径不一致的场景。
B) SYN 报文速率达到告警阐值 alert-rate-number 时,设备才可以对 SYN 报文进行源认证检查。
C) 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。
D) 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。

Solutions: