DHCP Snooping是一种DHCP安全特性，可以用于防御一些攻击，下列哪些是DHCP Snooping能够防御的攻击（）。

A、防御改变CHADDR值的饿死攻击

B、防御DHCP仿冒者攻击

C、防御TCP flag攻击

D、防御中间人攻击和IP/MAC Spoofing攻击

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更多“DHCP Snooping是一种DHCP安全特性，可以用于防御一些攻击，下列哪些是DHCP Snooping能够防御的攻击（）。”相关的问题

第1题

[多选题] DHCP Snooping是一种DHCP的安全特性，关于DHCP Snooping的说法，以下正确的是（）。

A、DHCP Snooping绑定表分为动态绑定表和静态绑定表 B、DHCP Snooping区分信任端口和非信任端口，对非信任端口，不处理DHCP Reply报文 C、静态绑定表在报文入端口手工输入，也可以手工设置表项老化时间 D、在二层上应用DHCP Snooping时，不配置Option82功能也可以获得绑定表所需的接口信息

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第2题

[多选题] Which three statements about the DHCP snooping feature on Cisco Nexus switches are true？（）

A、 DHCP snooping commands are not available until the feature is enabled with the feature dhcp- snooping command. B、 When you enable the DHCP snooping feature， the switch begins building and maintaining the DHCP snooping binding database. C、 The switch will not validate DHCP messages received or use the DHCP snooping binding database to validate subsequent requests from untrusted hosts until DHCP snooping is enabled globally and for each specific VLAN. D、 Globally disabling DHCP snooping removes all DHCP snooping configuration on the switch. E、 Globally disabling DHCP snooping does not remove any DHCP snooping configuration or the configuration of other features that are dependent upon the DHCP snooping feature.

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第3题

[多选题] As the network technician at Company， you need to configure DHCP snooping on a new switch. Which three steps are required？（）

A、 Configure the switch to insert and remove DHCP relay information （option-82 field） in forwarded DHCP request messages. B、 Configure DHCP snooping globally. C、 Configure the switch as a DHCP server. D、 Configure DHCP snooping on an interface. E、 Configure all interfaces as DHCP snooping trusted interfaces. F、 Configure DHCP snooping on a VLAN or range of VLANs.