COMPUTER FUNDAMENTALS

COMPUTER NETWORKS AND COMMUNICATIONS

TYPES OF NETWORKS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
It may also operate at higher layers of the OSI model, including the network layer and above.
A
Routers
B
Switch / Switches
C
Hubs
D
Central Connecting Devices
Explanation: 

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.

There is 1 question to complete.