Answer:
The correct answer to the following question will be Option B.
Explanation:
<u>Open System interconnection:</u>
- A practical and conceptual layout that describes network communication that will be used by the systems that are accessible to interconnection as well as other systems, is called the OSI model. This may also be referred to as the OSI model with seven layers.
- The OSI model aims to direct developers and creators so that they would modularize with the wireless communication devices and computer programs they build, and to promote a consistent structure that defines the features of a network or telecom system.
Therefore, Option B is the right answer.
Answer: Wider channel bandwidth has several downside or disadvantages to it. Some of these are as follow:
a) Higher channel bandwidth means lower will be the number of channels being utilized.
b) Wider bandwidth may lead to an increase in the speed but on the other hand, it'll lead to several interference problems.
The answer would be a C class fire extinguisher.