Computer Networking Essentials: All About The OSI Model

These cookies are necessary for the website to function and cannot be switched off. They are usually only set in response to actions made by you which amount to a request for services. This includes setting your privacy preferences, logging in or filling in forms. You can set up your browser to block or alert you about these cookies, however some parts of the website won’t work as a result. These cookies don’t store any personally identifiable information.

These cookies allow us to count visits and traffic sources so that we can measure and improve the performance of our site. They help us know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies, we will not know when you have visited our site.

These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant adverts on other sites. They do not store directly personal information, but are based on uniquely identifying your browser and internet device. If you do not allow these cookies, you will experience less targeted advertising.