Question

1 point
5.Which of the following is an
application layer service? *
O A) File transfer and access
O B) Mail service
OC) Remote log-in
OD) All the above​

Answer 1

Answer:

Which of the following is an application layer service? Explanation: The services provided by the application layer are network virtual terminal, file transfer, access and management, mail services, directory services, various file and data

operations

Answer 2

Answer:

Remote login,Mail service and File transfer is a application layer service.

An application layer is an abstraction layer that specifies the shared communications protocols and interface methods used by hosts in a communications network. The application layer abstraction is used in both of the standard models of computer networking: the Internet Protocol Suite (TCP/IP) and the OSI model.

Rlogin (remote login) is a UNIX command that allows an authorized user to login to other UNIX machines (hosts) on a network and to interact as if the user were physically at the host computer.

The Postal Service provider is then able to use electronic means to have the mail piece sorted, routed and physically produced at a site closest to the delivery point. It is a type of mail growing in popularity with some Post Office operations and individual businesses venturing into this market.

File transfer is the movement of one or more files from one location to another. ... On the Internet, the File Transfer Protocol (FTP) is a common way to transfer a single file or a relatively small number of files from one computer to another.