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Application Layer (Duties)
Provides Interface between software applications and network for interpreting application requests and requirements.
*Note: This layer is not the actual software application.
Presentation Layer (Duties)
Allows hosts and applications to use a common language; performs data formatting, encryption, and compression.
Transport Layer (Duties)
Ensures accurate delivery of data through flow control, segmentation and reassembly, error correction, and acknowledgement.
Network Layer (Duties)
Establishes network connections; translates network addresses into their physical counterparts and determines routing.
Application (Protocols and Standards)
BOOTP, DHCP, DNS, FTP, HTTP, HTTPS, IMAP4,PING, POP3, NSLOOKUP, NTP, SFTP, SMTP, SNMP, Telnet, TFTP
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