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

1. 关于数据中互联网接入区,规划部署建议正确的是:

A) FW2 主要防范内部的非法流量访问 DMZ 区服务区和非法访问 Internet 网络。
B) DMZ 区域旁路部署 IPS 设备,如果实现防御功能,需要在 DMZ 区域交换机通过策略路由或者静态路由,让数据通过 IPS 设备。
C) DDos 清洗和检测设备必须放置在外网接口区域,保证攻击流量优先检测到。
D) FW1 主要防范外部的非法流量访问 DMZ 区服务区和防范 SSL 隧道内部的攻击流量。

2. 对于 - 些大的 IP 数据包,为了满足链路层的 MTU （ Maximum Transmission Unit )的要求,需要传送过程中对其进行分片,分成几个 IP 包。在每个 IP 报头中有一个偏移字段和一个拆分标志（ MF ),其中偏移字段指出了这个片段在整个 IP 包中的位置。如果攻击者截取 IP 数据包后,把偏移字段设置成不正确的值,接收端在收到这些分拆的数据包后,就不能按数据包中的偏移字段值正确组合出被拆分的数据包,这样,接收端会不停的尝试,以至操作系统因资源耗尽而崩溃。
此种攻击方法是什么 ?

A) Teardrop 攻击
B) Ip 分片报文攻击
C) WinNuke 攻击
D) TCP 报文标志位攻击

3. USG 防火墙日志信息输出如下:
%2014-07-31 11:15:45 USG6600 %%01BLACKLIS/4/BIkListAddOk (I):
A blacklist entry was changed.
(SyslogId=100, IpVemion=IPv4, SrcIp=172.18.9.2, DstIp=any, SrcPort=any, DstPort=any, Protocol=any, Use=any, VfwId=0, Vfw=public, List_Type=blacklist, Reason=Login password incorrect, Action=Add, DstPort=any, Timeout=10 min)
%2014-07-31 11:15:44 USG6600 %%01HTTPD/4/FAIL (I): User admin (IP: 172.18.9.2 ID: 27) login failed
%2014-07-31 11:15:44 USG6600 %%01AAA/4/LOCK (I): The user was locked out. (User Name =admin, Lock Time=10, Lock Reason=password incorrect for 3 times)
以下描述正确的是 :

A) 用户尝试登录三次,均输错密码,用户 IP 地址被锁。
B) 用户尝试登录三次,均输错密码,用户账户被锁。
C) 用户将 IP 地址更换为 172.18.9.3 后可再次尝试登录。
D) 用户只能在 2014-07-31 11:30:45 之后才能再次登录设备。

4. 以下对于双机热备的描述,不正确的是 ?

A) 开启快速备份后,主机的配置也可以备份到备机。
B) 防火墙配置备份方向肯定是从 VGMP 主状态设备备份到备状态设备。
C) VGMP 当前为主状态,属于该 VGMP 的 VRRP 接口 DOWN 后,该 VGMP 的状态肯定会切换为备状态。
D) 开启自动备份后,主机所有会话都将自动备份到备机。

5. 入侵防御实现机制包括哪些 ?

A) 特征匹配
B) 黑名单匹配
C) 协议识别和协议解析
D) 响应处理

Solutions: