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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. 防火墙使用 IPsec 功能,需要开放哪些协议和端口 ?

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

2. NIP5000 设备支持将部分接口设置为 IDS 模式。

A) TRUE
B) FALSE

3. 如下图所示,在某公司采用 USG6600 防火墙作为出口,该公司共有两个出口,运营商 A 和运营商 B 进行出口负载分担,某工程师部署该防火墙时在两个出口同时加入 untrust 域,内网用户则加入了 trust 域,并做了源 NAT 映射。在部署完之后,发现部分用户上网正常,有部分用户则上网速度很慢,甚至有时上不了网。
[USG] display firewall session table verbose
http VPN: public --> public
Zone: trust --> untrust TTL: 00:00:10 Left: 00:00:08
Interface: GigabitEthernet0/0/0 Nexthop: 41.134.5.49 MAC: F0-DE-F1-69-26-91
<--packets: 9 bytes: 364 -->packets: 9 bytes: 364
10.16.1.20:5246 [41.134.5.52:5246] --> 16.8.3.8:80
http VPN: public --> public
Zone: trust --> untrust TTL: 00:10:00 Left: 00:09:59
Interface: GigabitEthernet0/0/1 Nexthop: 41.160.30.65 MAC: 00-21-97-cf-22-38
<--packets: 4 bytes: 238 -->packets: 14 bytes: 1640
10.16.1.122:3745 [41.134.5.52:3745] --> 2.2.2.2:80
[USG] display ip routing-table
20:56:07 2012/09/30
Route Flags: R - relay, D - download to fib
Routing Tables: Public
Destinations: 5 Routes: 5
Destination/Mask Proto Pre Cost Flags NextHop
0.0.0.0/0
Static 60
0
RD 41.134.5.49
0.0.0.0/0
Static
60
0
RD 41.160.30.65
10.16.1.1/24
Direct
0
0
D 127.0.0.1
127.0.0.0/8
Direct
0
0 D 127.0.0.1
127.0.0.1/32
Direct
0
0
D 127.0.0.1
根据以上信息请判断如下哪个描述正确 ?

A) 该问题是有等价路由引起的。
B) 该问题与运营商网络稳定性有关。
C) 该问题是用户 PC 导致的。
D) 可以推断出源 NAT 配置是正确的。

4. 如图所示攻击,相应的防御方法有:

A) 通过 TTL 检查的方法进行防御
B) 通过关联的 TCP 协议对用户进行验证
C) 指纹学习防御
D) 通过源认证的方法防御
E) 载荷检查防御

5. 下面哪些功能属于 SSL VPN 的功能 ?

A) 网络扩展
B) Web 代理
C) 文件代理
D) 端口转发
E) 端口映射

Solutions: