[多选题]What are two characteristics of "store and forward" switching? (Select two answer choices)
正确答案 :BC
The switch receives the complete frame. before beginning to forward it.
Latency through the switch varies with frame. length.
解析:解析:Explanation:
[单选题]介质工作在OSI的哪一层()
正确答案 :A
物理层
[单选题]把访问权限表应用到路由器端口的命令是:()
正确答案 :B
ip access-group 101 out
[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:()
正确答案 :D
默认路由:0.0.0.0
[单选题]在OSI七层模型中,介质工作在哪一层()
正确答案 :C
物理层
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