Answer:
Electronic mail is a method of exchanging messages between people using electronic devices. Email entered limited use in the 1960s, but users could only send to users of the same computer, and some early email systems required the author and the recipient to both be online simultaneously, similar to instant messaging.
Answer:
The answer is the point - to -point protocol, which allows user to set a secure VPN connection for client and server connectivity.
Explanation:
A virtual private network is a private-public network because of encryption and tunneling to ensure the integrity of the data. VPN requires a tunnel to work and encryption.
In VPNs, there are different protocols can be used, such as point- to - Point Tunneling Protocol (PPTP), IPSec, and L2TP.
Point to Point Protocol is a Microsoft protocol which allows user to set a connection and secure VPN destination. Point to point protocol is designed for client and server connectivity. It developed a connection between two computers. The data link layer that transmits over IP networks is used for point to point tunneling.
Such as option A is not correct because it is distracter and IPSecis primary tunneling protocol. It supports only IP networks. L2TP is not a VPN but extend VPN over the various network.
Scanner.
<em> </em>A <em>scanner</em> is an input device that scans documents such as photographs and pages of text, when a document is scanned, it is converted into a digital format.
Answer:
B is the correct answer because that's what I do
Column is the correct answer. Hope this helps. :)