Answer Posted / venkatesan.a
# Physical Layer 1: Transmission of bits through a physical
medium.
# Datalink Layer 2: To maintain relabale poin-to-point
connection using the protocols PPP,DHCP,...
# Network Layer 3: Routing and connection controls, using
the protocols IP,ICMP,
# Transport Layer 4: end-to-end transmission of data using
protocols TCP UDP.
# Session Layer 5: For controls of logical flow between the
end point using protocols NFS,SQL,RPC.
# Pressentation Layer 6: For translation and formating of
data using protocols JPEG,MPEG,GIF.
# Application Layer 7: To provide the user with an
aplication service(web browser) using protocols
HTTP,TElNET,SMTP,FTP
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