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

In the OSI, gateway has two kinds: one kind is connection-oriented gateway, a connectionless gateway.

在OSI中, 网关有两种: 一种是面向连接的网关, 一种是无连接的网关.

Level 2 corresponds to the OSI Layer 2 ( Data Link Layer )

第2级对应于OSI第2层 ( 数据链路层 )

It is the architecture for telecommunication network management based on OSI's system management concept.

TMN是由国际电信联盟电信标准化部门基于OSI系统管理的概念所提出的电信网络管理的体系结构.

Which term describes the process of adding headers to data as it moves down OSI layers?

那一种术语在描述增加表头资料时会让OSI阶层下降?

Function in the application layer related to the management of OSI application processes.

与开放系统互连(OSI) 应用进程的管理相关的应用层中的功能(或操作程序).

Refer to the exhibit. Which column shows the correct sequence of OSI model layers?

参考图示. 那一栏显示OSI模型层的正确的顺序?

The numbers are based on the famous ( if not exactly current ) seven-layer OSI model.

这些数字是以出名的七层的OSI模型 为基础 ( 如果不是很严密的讨论 ).

Which of the following are primary duties of the OSI transport layer?

哪一下列各项是OSI传送的主要责任层?

Level 1 corresponds to the OSI Layer 1 ( Physical Layer )

第1级对应于OSI第1层 ( 物理层 )

The Inspector opened the packet of cigarettes.

检查员撕开了那包香烟。

The radio only weighs a few ounces and is smaller than a cigarette packet.

这台收音机重量仅为几盎司，比香烟盒还小。

Someone was seen depositing a packet.

有人看见一个人放下了件小包裹。

It was a packet mix.

这是一小包混合配料。

There's a cigarette packet thrown into the gutter.

阴沟里有个香烟盒.

That car cost me a packet.

那辆小汽车花了我一大笔钱.

The hermetic seal on the packet means that the food lasts longer.

封袋上的密封印表明食物能保存更长的时间.

The government has clapped an extra ten pence on a packet of cigarettes.

政府对每包香烟加价10便士.

He caught a packet from me when he did turn up.

他一露面就被我狠狠训了一顿.

Follow the instructions on the packet carefully.

仔细按照包装上的说明操作。

Someone's making a packet out of it.

有人从中狠赚了一笔。