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1P

交換機和路由器的概念和區別?

交換機用一根網線上網,上網是分別撥號,各自使用自己的寬帶,上網沒有影響。而路由器比交換機多出一個虛擬撥號功能,可以通過同一臺路由器上網的電腦共用一個寬帶賬號,上網會相互影響。交換機工作在中繼層,交換機根據MAC地址尋址。路由器工作在網絡層,根據IP地址尋址,路由器可以處理TCP/IP協議,而交換機不可以...

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接入層交換機和匯聚層交換機有什么區別?

匯聚層交換機是多臺接入層交換機的匯聚點,能夠處理來自接入層設備的所有通信量,并提供到核心層的上行鏈路,因此匯聚層交換機與接入層交換機比較,需要更高的性能,更少的接口和更高的交換速率。接入交換機一般用于直接連接電腦,匯聚交換機一般用于樓宇間。匯聚相當于一個局部或重要的中轉站,接入層目的是允許終端用戶連接到網絡,因此接...

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