TCP Protocol Data Units

Question 1

is a specific block of information transferred over a network.
It is often used in reference to the OSI model, since it describes the different types of data that are transferred from each layer.

Answer 1

Protocol Data Unit (PDU)

Question 2

Physical layer

Answer 2

raw bits (1s or 0s)

Question 3

Data link layer

Answer 3

frame (or series of bits)

Question 4

Network layer

Answer 4

packet (that contains the source and destination address)

Question 5

Transport layer

Answer 5

segment (that includes a TCP header and data)

Question 6

Session layer

Answer 6

data (passed to the network connection)

Question 7

Presentation layer

Answer 7

data (formatted for presentation)

Question 8

Application layer

Answer 8

data (received or transmitted by a software application)