TCP/IP MODEL

Question 1

Network Access Layer/Link 1

Answer 1

Physical and data link layer of OSI

Defines hosts connection to network media

Question 2

Internet Layer 2

Answer 2

Addressing and routing
fragment frames from network layer= smaller packets
Uses IP and ARP to deliver packets

Question 3

Transport Layer 3

Answer 3

Establishes connections b/w different apps that source and destination hosts communicating with.
Info -> segments
TCP- connection
UDP- wireless

Question 4

Application Layer 4

Answer 4

TCP/IP services (high level protocols run)

FTP, HTTP, SMTP