本帖最后由 goodluck 于 2011-5-24 09:57 编辑
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CCNP（642-813）题库V200每日一新题(最新考试真题) $ r; n8 m4 t1 ~: I$ v* k& A
CCNP全称是：Cisco Certified Network Professional——思科认证网络高级工程师。CCNP认证(思科认证网络专业人员)表示通过认证的人员具有丰富的网络知识。获得CCNP认证的专业人员可以为具有100到500多个节点的大型企业网络安装、配置和运行LAN、WAN和拨号访问业务。
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Refer to the exhibit.DHCP snooping is enabled for selected VLANs to provide security on the network.How do the switch ports handle the DHCP messages? A.A DHCP OFFER packet from a DHCP server received on ports Fa2/1 and Fa2/2 is dropped B.A DHCP packet received on ports Fa2/1 and Fa2/2 is dropped if the source MAC address and the DHCP client hardware address dose not match snooping database C.A DHCP packet received on ports Fa2/1 and Fa2/2 is forwarded without being tested. D.A DHCPELEASE message received on ports Fa2/1 and Fa 2/2 has a MAC address in the DHCP snooping binding database,but the interface information in the binding database dose not match the interface on which the message was received and is dropped.
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发表于 2011-5-24 09:56:57
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发表于 2011-5-24 10:03:57
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