Application Layer

Application Layer:

It is a top most layer of OSI Model. it provides services directly to user applications. It enable the user to access the network. It provides the user interfaces and support for services such as email, remote file access and transfer, shared database management and other types of distributed information services.

1. File Transfer: It allows a user to access, retrieve and manage files in a remote computer.
2. Mail Services: It provides the basis for email forwarding and storage facilities.
3. Directory Services: It provides distributes database sources and access for global information about various objects and services.