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1. 本地 License 无法激活的可能原因有哪些 ?
A) 设备无法连接 sec.huawei.com
B) ESN 不匹配
C) 设备没有配置激活密码
D) License 中的功能项已过期
2. 某企业有如下需求:
Trust 区域中内网用户的是 192.160.1.0/24 网段,可以访问 Internet 。
下列配置正确的是 :
traffic-policy
profile trust_tountrust
bandwidth downstream
maximum-bandwidth 400000
bandwidth downstream
guaranteed-bandwidth 50000
bandwidth ip-car downstream
maximum-bandwidth per-ip 2000
rule name trust_to_untrust
source-zone trust
destination-zone untrust
source-address 192.160.1.0 24
action qos profile
trust_to_untrust
#
A) 该配置将实现 Internet 地址主动访问内网网段的进行限速。
B) 该配置将实现 Trust 到 Untrust 的方向上的下载流量,最大的每 IP 带宽为 2M 。
C) 该配置将实现 Trust 内网用户主动访问 Internet 外网限制总的最大下载带宽为 400M 。
D) 该配置将实现内网 192.168.1.0/24 用户的整体上传带宽为 50M 。
3. 虚拟防火墙技术原理说法正确的是:
A) 每个虚拟防火墙系统可以支持 TRUST 、 UNTRUST 、 DMZ 、 LOCAL 等安全区域,接口灵活划分和分配。
B) 不同的虚拟防火墙有相同的路中表,因此在不同的虚拟防火墙上不支持地址重叠。
C) 虚拟防火墙和根防火墙不能访问。
D) 虚系统资源独立分配,安全业务独立提供,支持 VPN 多实例。
4. 华为 USG 防火墙,在双机热备组网下(如图), PC 通过 SSH 无法登陆备防火墙 FW2 的外网口实 IP 地址,查看主备防火墙上对应的会话如下,分析下对于这个故障下列哪些说法是对的 ?
HRP_A <E1000-1> display firewall session table verbose source inside 192.168.22.151
tcp VPN: public ->
public
Zone: trust -> local TTL: 00:00:05 Left: timeout
Interface: G0/0/1 Nexthop: 192.168.22.122 MAC: 00-22-a1-06-b3-cb
<-- packets: 1
bytes: 48 -> packets: 0 bytes: 0
192.168.22.122:22 <-- 192.168.22.151:4354
HRP_S <-E1000-2>display firewall session table verbose source inside 192.168.22.151
tcp VPN: public -> public
Zone: trust -> local TTL: 00:00:05 Left: timeout
Interface: I0 Nexthop: 127.0.0.1 MAC: 00-00-00-00-00-00
<-- packets: 1
bytes: 48 -> packets: 1 bytes: 44
192.168.22.122:22 <-- 192.168.22.151:4354
A) PC 登陆备防火墙 FW2 的时候存在来回路径不一致。
B) 由于关闭了 hrp mirror session enable 可能导致该问题。
C) 由于关闭铬路状态检测功能 indo firewall session link-state check 导致的问题。
D) 由于 SSH 客户端在登陆过程中支持报文重传。
5. 根据《 GB/T 22240-2008 信息安全技术信息系统安全等级保护定级指南》信息系统按照不同级别共分为五级,其中五级的保护能力包括:
A) 未定义
B) 能够在统一安全策略下防护系统免受来自外部有组织的团体、拥有较为丰富资源的威胁源发起的恶意攻击、较为严重的自然灾难、以及其他相当危害程度的威胁所造成的主要资源损害,能够发现安全漏洞和安全事件,在系统遭到损害后,能够较央以复绝大部分功能。
C) 能够防护系统免受来自外部小型组织的、拥有少量资源的威胁源发起的恶意攻击、一般的自然灾难、以及其他相当危害程度的威胁所造成的重要资源损害,能够发现重要的安全漏洞和安全事件,在系统遭到损害后,能够在一段时间内恢复部分功能。
D) 能够在统一安全策略下防护系统免受来自国家级别的、敌对组织的、拥有丰富资源的威胁源发起的恶意攻击、严重的自然灾难、以及其他相当危害程度的威胁所造成的资源损害,能够发现安全漏洞和安全事件,在系统遭到损害后,能够迅速恢复所有功能。
Solutions:
| Question # 1 Answer: B,D | Question # 2 Answer: B,C | Question # 3 Answer: A,D | Question # 4 Answer: A,C | Question # 5 Answer: A |
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