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

1. 某企业网络中存在多个真实服务器对外提供 FTP 服务,配置负载均衡功能,保证流经 USG 的流量负载均衡。
管理员希望通过检测真实服务器状态,实现每台服务器的负载比例与权值比例相同,下列合适的配置是:

A) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric srchash [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
B) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric roundrobin [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
C) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric least-connection [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit
D) # 配置真实服务器加入负致均衡组。 [USG-slb] group test [USG-slb-group-test] metric weightrr [USG-slb-group-test] addrserver 1 [USG-slb-group-test] addrserver 2 [USG-slb-group-test] addrserver 3 [USG-slb-group-test] quit

2. 下列哪些选项可以作为 Portal 推送的条件 ?

A) 终端浏览器类型
B) 接入 AC 的 MAC 地址
C) 终端设备类型
D) 接入 AP 的 SSID
E) 终端 IP 地址范围
F) 接入 AP 的 MAC 地址

3. 企业现网一台 FTP 服务器（ DMZ )向外部（ Untrust )提供 FTP 服务,外网口部署了 USG 防火墙。
在 FTP 服务器上抓包获取到如下信息:
序号 源地址 目的地址 协议 报文摘要
1 1.1.1.1 192.168.1.2 TCP 3318>21 [SYN] Seq=0 Len=0 MSS=1460
2 192.168.1.2 1.1.1.1 TCP 21>3318 [SYN, ACK] Seq=0 Ack=1 Win=65535 Len=0 MSS=1460
3 1.1.1.1 192.168.1.2 TCP 3318>21[SYN] Seq=1 Ack=1 Win=65535 Len=0
......
13 1.1.1.1 192.168.1.2 FTP Request: PASV
14 192.168.1.2 1.1.1.1 FTP Response: 227 Entering Passive Mode (192, 168, 1, 2, 4, 162)
15 1.1.1.1 192.168.1.2 TCP 3319>1186 [SYN] Seq=0 Len=0 MSS=1460
16 192.168.1.2 1.1.1.1 TCP 1186>3319 [SYN, ACK] Seq=0 Ack=1 Win=65535 Len=0 MSS=1460
17 1.1.1.1 192.168.1.2 TCP 3319>1186 [SYN] Seq=1 Ack=1 Win=65535 Len=0
.....
以下描述正确的是:

A) 防火墙上须完成 nat-policy 的 NAT 正确配置。
B) 主机 1.1.1.1 与 FFP 服务器 192.168.1.2 之间已经正常建立数据通道。
C) 防火墙上会自动生成 servermap 表项。
D) FTP 服务器 FTP 服务为主动模式。

4. 相比 802.1X 认证, PortaI 认证的优点有哪些 ?

A) Portal 认证更适合网络的临时访问者。
B) Portal 能够用于哑终端接入场景。
C) Portal 认证兼容 MAC 认证。
D) Portal 认证不要求安装客户端软件。

5. 华为防火墙反垃圾邮件功能使用的是 RBL 方法,其对 DNS 服务器有哪些要求 ?

A) 这个 DNS 必须是使用递归算法的服务器。
B) 这个 DNS 必须是不被 DNS 劫持的服务器。
C) 不指定 DNS 服务器时则使用系统模式下配置的 DNS 服务器。
D) 这个 DNS 必须是使用迭代算法的服务器。

Solutions: