Network+ N10-009 OSI Model

Information Technology9 CardsCreated 7 months ago

The Physical layer, as the lowest layer of the OSI model, handles the transmission and reception of raw bits (0s and 1s) over a physical medium. It defines the electrical, mechanical, and procedural specifications—such as cabling, signal encoding, voltage levels, and transmission modes—for how those bits actually travel between devices.

Layer 1

Physical (Bits)

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Key Terms

Term
Definition

Layer 1

Physical (Bits)

Layer 3

Network (Packets)

Layer 4

Transport (Segments)

Layer 2

Data Link (Frames)

Layer 5

Session (Data)

Layer 7

Application (Data)

Related Flashcard Decks

TermDefinition

Layer 1

Physical (Bits)

Layer 3

Network (Packets)

Layer 4

Transport (Segments)

Layer 2

Data Link (Frames)

Layer 5

Session (Data)

Layer 7

Application (Data)

Layer 6

Presentation (Data)

Numonic (Memory Aid)

PDNTSPA (Please Do Not Throw Sausage Pizza Away)

Numonic (Memory Aid)

BFPSD (Best Friends Play Some Doom)