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

1. 在 USG 防火墙链路状态检测功能开启的情况下,当 TCP 会话的首个分片报文和第二个分片报文发送间隔时间大于会话表老化时间时,会话表将会删除,其后续报文将会重新创建会话表。

A) FALSE
B) TRUE

2. 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) L2TP 一般使用 NAS-Initialized 模式。
B) 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。
C) 不能使用 NAT 穿越功能。
D) 总部 USG 网关 Security ACL 应该是 [USG] acl 3000 [USG-acl-adv-3000] rule permit udp source-port eq 1701

3. 以下哪几项是关于状态检测防火墙转发原理的正确描述:

A) ICMP 报文不会进行状态检测。
B) 处理 UDP 协议包时为该 UDP 数据流建立连接。
C) 防火墙在作为二层设备部署时不支持状态检测机制。
D) 非首包转发基于会话表,匹配会话表才能转发。
E) 基于 TCP 连接三次握手进行会话状态检测。

4. 针对 USG 状态检测防火墙的基本转发处理流程描述正确的是:

A) 针对首包先进行基于单包的攻击防范检测再进行包过滤处理。
B) 需要源地址网络地址翻译时,先进行 NAT 再进行域间策略匹配检测。
C) 需要目的地址 NAT 时,先进行 NAT 再进行域间策略匹配检测。
D) 数据包进入防火墙首先进行黑名单匹配,然后进行会话表匹配。

5. Anti-DDoS 异常流量清洗解决方案中,关于规划部署建议正确的是:

A) 建议在流量较大的场景,建议直路部署。
B) 清洗设备直路部署在企业入口处,同时 - 股清洗设备内置 Bypass 卡,增强方案的可靠性。
C) 通过基线学习周期学习防护对象中各服务类型的流量基线值,并按照学习任务的设置生成学习结果。
D) 优先部署防御模式为自动,待运行一段时间后, Anti-DDoS 工作正常再部署防御模式为手动。

Solutions: