<span>A switch is a central network device that connects network nodes such as workstations and servers in a physical Star topology</span>
<span>C electric power transmisson and electronics</span>
Dynamic Host Configuration Protocol, also known as DHCP.
Answer:
The answer is (a).Presentation Layer
Explanation:
This layer is located at the 6th level of the OSI model, responsible for delivering and formatting the information to the upper layer for further processing. This service is needed because different types of computer uses different data representation. The presentation layer handles issues related to data presentation and transport, including encryption,translation and compression.