OSI(Open Systems Interconnection)模型,即开放系统互联模型,是国际标准化组织(ISO)制定的一个网络模型。该模型将网络通信的功能划分为七个层次,每一层负责特定的功能,各层之间相互独立,但又相互依赖。 以下是对于各个答案的详细解析: A. 应用层:应用层是OSI模型的最高层,也是用户直接面对的一层。它主要负责提供网络应用程序之间的通信服务,例如电子邮件、网页浏览、文件 ...
HOHHOT, Oct. 31 (Xinhua) -- A 1,000-kilovolt ultra-high voltage (UHV) alternating current (AC) project was officially put into operation on Thursday, connecting clean energy resources in the north of ...
HONG KONG, Nov. 12, 2024 /PRNewswire/ -- HKBN Enterprise Solutions (HKBNES) has reached a partnership agreement with Information2 Software, becoming its first general distributor in Hong Kong. This br ...