COMPUTER NETWORKING

DATA LINK LAYER WIRED NETWORKS

WIRED LANS ETHERNET PROTOCOL

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which Ethernet sublayer is responsible for communicating directly with the physical layer?
A
LLC
B
MAC
C
Network
D
Data Link
Explanation: 

Detailed explanation-1: -Ethernet at the data link layer is divided into two sublayers. LLC sublayer responsible for communicating with the upper layers. the MAC sublayer communicates directly with the physical layer. .

Detailed explanation-2: -IEEE 802.3 defines the physical layer and the medium access control (MAC) sub-layer of the data link layer for wired Ethernet networks. Ethernet is classified into two categories: classic Ethernet and switched Ethernet. Classic Ethernet is the original form of Ethernet that provides data rates between 3 to 10 Mbps.

Detailed explanation-3: -The medium access control (MAC) is a sublayer of the data link layer of the open system interconnections (OSI) reference model for data transmission. It is responsible for flow control and multiplexing for transmission medium. It controls the transmission of data packets via remotely shared channels.

Detailed explanation-4: -The MAC sublayer is responsible for providing the access to the physical layer in case of using ethernet or any other medium. To enable communication between devices, a unique address must be provided to each device. More items

There is 1 question to complete.