COMPUTER NETWORKS AND COMMUNICATIONS
TYPES OF NETWORKS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
Routers
|
|
Switch / Switches
|
|
Hubs
|
|
Central Connecting Devices
|
Detailed explanation-1: -The top layer of an OSI reference model (layer seven) is the application layer that delivers network services or protocols that comply with an end-user’s data to the end-user.
Detailed explanation-2: -Transport The fourth layer of the OSI model ensures complete and reliable delivery of data packets. The transport layer provides mechanisms such as error control, flow control, and congestion control to keep track of the data packets, check for errors and duplication, and resend the information that fails delivery.
Detailed explanation-3: -Switches operate in the second layer of the OSI model, the data link layer.
Detailed explanation-4: -The physical layer, data link layer and the network layer are the network support layers.