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

1. 在双机热备的场景,关于防火墙主设备和备设备描述错误的是 ?

A) 只有主设备才能进行命令配置,备用设备命令不能进行配置。
B) 默认情况下,主用设备的配置会立刻备份到备用设备上。
C) 配置主设备界示 HRP_A ,配置从设备界示 HRP_S ,而且不随优先级变化而变化。
D) 当双机热备工作在主备状态下,主用设备的命令提示符显示 HRPA ,备用设备的命令提示符显示 HRP_S 。

2. 下图为 IKEv1 协商过程,其中 ① 、 ② 消息协商了什么信息 ?

A) 交换临时随机数
B) ID 载荷
C) AUTH 载荷
D) IKE 安全提议

3. 终端用 Agent 进行 802.1x 认证, SC 和 Radius 服务器 IP 地址为 172.18.10.68 ,认证时总是提示网络通信失败；
查看 Radius 认证日志显示 Radius 认证成功,并且授权为 ACL3001 ,交换机配置如下:
dot1x enable
dot1x authentication-method eap
radius-server template lzy
radius-server shared-key simple 123456
radius-server authentication 172.18.10.68 1812
radius-server accounting1 72.1 3.10.63 1813
radius-server authorization 172.18.10.68 shared-key simple 123456
aaa
authentication-scheme default
authentication-scheme auth
authentication-mode radius
accounting-scheme acco
accounting-mode radius
accounting realtime 3
domain default
authentication-scheme auth
accounting-scheme acco
radius-server lzy
interface GigabitEthernet0/0/14
description connect 222
port hybrid pvid vlan 105
port hybrid untagged vlan 105
dot1x enable
acl number 3001
rule 1 permit ip destination 172.18.100.235 0
rule 2 permit ip destination 172.18.100.237 0
rule 10 deny ip
网络通信失败的原因可能是 ?

A) 授权规则 ACL 配置错误
B) GigabitEthernet0/0/14 端口配置错误
C) AAA 配置错误
D) 计费配置可能错误

4. USGA G0/0/2 (30.1.1.2) --------------------------- (30.1.1.1) G0/0/2 USGB
某网络采用如上拓扑,并 USGA 和 USGB 建立 BFD ,但是发现 BFD 会话无法 Up ,下面最有可能的原因是 ?
<USGA> display bfd session all
---------------------------------------------------------------------------------------------------------------
Local Remote Peer IP Address Interface Name State Type
----------------------------------------------------------------------------------------------------------------
60 20 30.1.1.1 GigabitEthernet0/0/2 Down Static
----------------------------------------------------------------------------------------------------------------
<USGB> display bfd session all
---------------------------------------------------------------------------------------------------------------
Local Remote Peer IP Address Interface Name State Type
----------------------------------------------------------------------------------------------------------------
60 20 30.1.1.2 GigabitEthernet0/0/2 Down Static
----------------------------------------------------------------------------------------------------------------

A) BFC 会话配置没有提交
B) 未绑定出接口的 BFD 会话
C) BFC 会话一端配置了 shutdown 命令
D) BFC 会话两端的标识符不对应

5. 关于 UDP Flood 和 TCP Flood 攻击防范说法正确的是:

A) UDP 报文的指纹学习功能通过学习报文数据段全部字段。
B) UDP 协议是无连接的,因此无法通过源探测实现。
C) 防范 UDP Flood 通过分析某个主机发送 UDP 报文的规律和特征,这个规律和特征被称为指纹学习。
D) UDP 和 TCP 协议可以通过代理技术实现。

Solutions: