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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:

Question 1

防火墙使用 IPsec 功能,需要开放哪些协议和端口 ?

A. 目的端口为 500 和 4500 的 UDP 报文。
B. 协议为 AH 和 ESP 的 IP 报文。
C. 源端口为 500 和 4500 的 UDP 报文。
D. 目的端口为 1701 的 UDP 报文。

Question 2

在网络出口防火墙上查看会话表信息如下:
[USG] display firewall session table verbose
15:11:25 2013/12/18
Current Total
Sessions: 40
http VPN: public --> public
Zone: trust --> untrust TTL: 00:10:00 Left: 00:08:59
Interface: GigabitEthernet0/0/1 NextHop: 58.251.159.1 MAC: 00-0f-e2-a2-a2-61
<-- packets: 144 bytes: 6340 --> packets: 74 bytes: 3951
192.168.100.28:1036 [58.251.159.112:2048] --> 111.206.79.100:80
以下描述不正确的是:

A. 内网 192.168.100.28 主机与外网 111.206.79.100 建立 http 连接。
B. NAT 转换后的地址为 58.251.159.112 。
C. 防火墙接口 GigabitEthernet0/0/1 属于 untrust 区域。
D. 防火墙出接口 MAC 地址为 00-0f-e2-a2-a2-61 。

Question 3

NGFW_A 与 NGFW_B , NGFW_A 与 NGFW_C 分别配置静态路由。 NGFW_A -> NGFW_B 为主链路, NGFW_A -> NGFW_C 为备份链路。要求主链路出现故障时能够快速将流量切换到备份链路上；主链路恢复后流量能够切换到主铬路上。
以下配置正确的是哪个 ?

A. [USG_A] bfd
[USG_A] bfd ab bind peer-ip 10.1.1.2
[USG_A-bfd-session-ab] discriminator local 10
[USG_A-bfd-session-ab] discriminator remote 20
[USG_A-bfd-session-ab] commit
[USG_A] ip route-static 0.0.0.0 0 10.1.1.2 track bfd-session ab
[USG_A] ip route-static 0.0.0.0 0 20.1.1.2 preference 100
B. [USG_A] bfd
[USG_A] bfd ab bind peer-ip 10.1.1.2
[USG_A-bfd-session-ab] discriminator local 10
[USG_A-bfd-session-ab] discriminator remote 20
[USG_A-bfd-session-ab] commit
[USG_A] ip route-static 0.0.0.0 0 10.1.1.2
[USG_A] ip route-static 0.0.0.0 0 20.1.1.2 preference 100 track bfd-session ab
C. [USG_B] bfd
[BSG_B] bfd ab bind peer-ip 10.1.1.1
[USG_B-bfd-session-ab] discriminator local 10
[USG_B-bfd-session-ab] discriminator remote 20
[USG_B-bfd-session-ab] commit
D. [USG_B] bfd
[BSG_B] bfd ab bind peer-ip 10.1.1.1
[USG_B-bfd-session-ab] discriminator local 20
[USG_B-bfd-session-ab] discriminator remote 10
[USG_B-bfd-session-ab] commit

Question 4

以下哪些报文可以是单播报文

A. VGMP Hello
B. HRP Hello
C. OSPF Hello
D. BFD
E. VRRP Hello

Question 5

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. Smurf 攻击
B. Land 攻击
C. Fraggle 攻击
D. IP 欺骗攻击

Solutions: