After connecting a PC to an available port on a switch, you

【名词&注释】

路由器(router)、优先级(priority)、区域间(inter-area)

[单选题]After connecting a PC to an available port on a switch, you find that the PC can not access any of the resources on the LAN. No other PC's connected to the switch appear to be having any issues. What is the most likely cause for this problem?

A. The router lacks a routing table entry for the new host
B. The host switch port is assigned to the incorrect VLAN
C. The host MAC address is incorrectly configured
D. A STP instance for the new host has not been initialized
E. The switch does not have the MAC address hard coded in the CAM table.

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学习资料：

[单选题]在OSPF的完全存根区域中，使用以下哪种LSAType报文或其它方式与区域间通信：（）

A. LSAType1.2
B. LSAType3
C. LSAType4
D. 默认路由：0.0.0.0

[单选题]当配置一个CISCO的路由器时，缺省的DR和BDR优先级是（）。

B. 1
C. 16
D. 255

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