INTRODUCTION
PROTOCOL LAYERING
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What is the protocol data unit in layer 1 in the OSI Model?
|
|
Packet
|
|
|
Frame
|
|
|
Segment
|
|
|
bit
|
Explanation:
Detailed explanation-1: -Protocol data units of the OSI model are: The Layer 4: transport layer PDU is the segment or the datagram. The Layer 3: network layer PDU is the packet. The Layer 2: data link layer PDU is the frame. The Layer 1: physical layer PDU is the bit or, more generally, symbol.
Detailed explanation-2: -Layer 1, the Physical Layer It defines the mechanical and electrical standards of interface devices and the types of cables used to transmit digital signals (e.g. optical fiber, coaxial cable, wireless, etc.). The major protocols used by this layer include Bluetooth, PON, OTN, DSL, IEEE.
There is 1 question to complete.