A hub operates at Layer 2 of the OSI model.

一个毂在OSI模型的层2操作.

The next page explains Ethernet and the OSI model.

下一页解释乙太网路和OSI模型。

The boundary between two adjacent layers in the OSI model.

在开放系统互连模型中两个相邻层间的边界.

A hub works at a higher OSI model layer than a switch.

一个毂在一个比较高的OSI模型 工作分层堆积胜于一个 开关。

Ethernet bridging occurs in the data-link layer of the OSI model.

以太桥接技术定位于OSI（开放系统互联）模型的数据链路层（第二层）。

Ethernet bridging occurs in the data - link layer of the OSI model.

以太桥接技术定位于OSI( 开放系统互联)模型的数据链路层(第二层).

The most major difficulty with the OSI model is that is does not map well to the real world!

最重要的是，OSI 模型的困难是没有好到现实世界地图！

In other words, they perform processes that can be associated with every layer of the OSI model.

换句话说，它们实施着与OSI 模型的每一层都有关的过程。

Which layer of the OSI model can provide a connection-oriented, reliable data transfer between two hosts?

OSI模型的哪一层能提供一笔连接定向的，可靠的数据在二个主人之间的移动?。

Which layer of the OSI model can provide a connection - oriented, reliable data transfer between two hosts?

OSI模型的哪一层能提供一笔连接定向的, 可靠的数据在二个主人之间的移动?