Answer:
Vigenère
Explanation:
It is a method of encrypting alphabetic text by using a form of polyalphabetic substitution. A polyalphabetic cipher is any cipher based on substitution, ie using multiple substitution of alphabets. The encryption is done using a Vigenère table.
To encrypt a message using the Vigenère Cipher you choose a keyphrase. Then repeat this keyword over and over until it is the same length as the original text; this is referred to as a keystream.
A computer is made up of different network. The setting that molly must change is network type.
A computer network is known to be a group of computers that are linked to each other so as to help the computer to communicate with another computer and share their resources, data, and applications.
A computer network can be classified based on their sizes. A computer network is of four types. They are:
- PAN(Personal Area Network)
- MAN(Metropolitan Area Network)
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Answer:
Attenuation.
Explanation:
Attenuation means a gradual reduction in the strength of a signal as it moves from station to station which may even cause the receiving station to misinterpret the signal. Any signal can be attenuated - digital or analog.
Attenuation is often caused by weakness, fatigue or passiveness of networking cables and connectors. It could also be caused by noise and long distance.
To get around this, the network device(s) will often resend signals multiple times over just to ensure that at least one of the signals gets there and is interpreted correctly.
The answer is Laser Printer. It is a non impact printer that creates characters and images with dots by using a drum and toner. The main advantages of laser printers are speed, precision and economy. A laser can move very quickly, and because the laser beam has an unvarying diameter, it can draw more precisely, without spilling any excess ink.
