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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. 在双机热备的组网下,业务接口工作在三层,上下行连接交换机:

A) USG1 整机发生故障或者重启时, USG2 连续 5 次收不到 USG1 发送的 VGMP Hello 报文,则认为 USG1 已经发生故障,立即切换为主用设备。
B) VGMP 管理组状态为 Active ,优先级为 65001 , VGMP 管理组状态为 Standby ,优先级为 65000 。
C) 当发生主备状态切换时候, Active 设备对外发布 VRRP 备份组虚拟 IP 地址的免 VARP , Standby 设备也会发布免费 ARP 。
D) 当 USG1 和 Switch3 的链路中断的时候, VGMP 管理组优先级降低 2 。

2. 在 NGFW 中,若要使用 RBL 黑名单,网络管理员需要配置以下哪些关键选项 ?

A) SMTP 服务器 IP 地址
B) 应答码
C) RBL 服务器 IP 地址
D) DNS 服务器

3. 在防火墙上使用 NAT 地址池时, NAT 地址池地址与外网出接口 IP 不在同一个网段时,需要在下一跳路由器上配置到地址池的路由。

A) FALSE
B) TRUE

4. 总部和分支机构之间使用 IPsec 隧道通信,为了确保数据在 Internet 上传输时的安全性。管理员使用双机热备功能提高总部和分支机构通信的可靠性,避免总部的一台 USG 出现故障造成分支机构无法访问总部。
根据以下组网图,下列说法正确的是 ?

A) 只能使用主备备份方式下的 IPsec 双机热备。
B) USG A , USG_B 必须开启 NAT 穿越。
C) 只能采取 ESP 和 Tunnel 模式封装。
D) USG A , USG_B 和 USG_C 只需要配置 Internet 的路由,无需在 USG_A , USG_B 和 USG_C 配置分支内网到总部内网间的路由。

5. 对于如图所示组网,建立 IPsec 隧道的一端使用两台设备进行双机热备,当发生主备切换时,以下描述正确的是 ?

A) Keepalive 机制相对 DPD 机制,消耗更少的 CPU 资源。
B) 在 USG_A 、 USG_B 、 USG_C 上配置 dpd 机制,能够增加 IPsec 双机热备的可靠性。
C) IPsec 隧道不需要重新协商。
D) 从 USG_C 往 HQ 方向的报文会触发重新协商,业务不会受影响。

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