Encryption. Using a secret key, the data is encrypted. To decrypt it, the same or a different key is needed. Unauthorised entities should not have such a key.
Answer:
WAN(wide area network) is the network that is used for the connection in the geographical areas on large scale.They are used for connecting the areas like cities, countries, states etc.The connection of various LANs(Local area network) and MAN(Metropolitan area network) form the WAN.
There are several components that are used in the wide area network structure. Some of the constituents are as follows:-
- ATM()Asynchronous transfer mode
- Fiber optic communication path
- Modem having cables
- Frame relay
- Dial up internet etc.
Answer:
E)nXML
Explanation:
XML is a short for Extensible Markup Language. It is a markup language like the Hypertext markup language (HTML) and are both used in the development of web applications. However while the HTML describes the content of the Web page that is the graphics, images and videos and how they are displayed, the XML handles the description of data and information formats, their storage and the transportation and sharing over the internet.
Answer:
Most careers or professions need computer science
Explanation:
As humanity is improving technological wise most jobs will be replaced and other jobs would come into play and in order for individuals to become employed in jobs that will be available in the future to come they will have to have a degree in computer science or know how to operate computers.
