[单选题]以下特殊区域中哪一个没有自动下发缺省路由()
正确答案 :D
完全NSSA区域
[单选题]OSI七层模型中,网络层的数据封装名称为()
正确答案 :C
包
[多选题]As the Ezonexam network administrator, you are required to have a firm understanding of the OSI model. Why does the data communication industry use the layered OSI reference model? (Choose two)
正确答案 :BC
It encourages industry standardization by defining what functions occur at each layer of the model
It divides the network communication process into smaller and simpler components; thus aiding component development, design and troubleshooting
解析:解析:Explanation:
[单选题]如果网络中的路由器都是cisco路由器,则优先选择哪一个路由协议()
正确答案 :B
EIGRP
[单选题]对交换机的描述,正确的是()
正确答案 :B
单广播域,多冲突域的设备
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