<em>A</em><em> </em><em> </em><em>WAn</em><em> </em><em>(</em><em> </em><em>Wide</em><em> </em><em>Area</em><em> </em><em>Network</em><em> </em><em>)</em><em> </em><em>is</em><em> </em><em>made</em><em> </em><em>up</em><em> </em><em>of</em><em> </em><em>LANS</em><em> </em><em>(</em><em> </em><em>Local</em><em> </em><em>Area</em><em> </em><em>Network</em><em>)</em><em>…</em><em>…</em><em>…</em><em>…</em>
Answer:
Quality of service (QOS).
Explanation:
In recent computer networking, the convergence of voice, video and text data packet has been made possible. There is no need for a dedicated network for a particular type of packet.
QOS or quality of set is a service rendered to voice or audio packets in VoIP phones to enhance communication.
The email is a digital mailing system that can be used to send all three packets. It enjoys the QOS as voice packets. It is given high preference for transmission and uses the TCP protocol to transmit data reliably.
Answer:
A camera phone is a mobile phone which is able to capture photographs and often record video using one or more built-in digital cameras. It can also send the resulting image over the telephone function. The first commercial camera phone was the Kyocera Visual Phone VP-210, released in Japan in May 1999.
Explanation:
Hope this kinda helps you :)
The missing word here is social.
Social engineering involves using simple human methods to steal data, such as looking through peoples’ drawers for pieces of paper on which they might have written down passwords, or perhaps sneaking a look at the keys you press while walking past your desk as you are typing your password. Such behaviors designed to steal your personal information are methods of social engineering.
Let me know if you have any questions.
