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The OSI Model
Flashcard tool for memorizing the ISO's (International Organization for Standardization) OSI (Open Systems Interconnect) model.
Terms in this set (21)
Physical Layer #
Data Link Layer #
Network Layer #
Transport Layer #
Session Layer #
Presentation Layer #
Application Layer #
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.
Session Layer (Duties)
Establishes, maintains, and terminates user connections.
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.
Data Link Layer (Duties)
Packages data in frames appropriate to network transmission method.
Physical Layer (Duties)
Manages signaling to and from physical network connections.
Application (Protocols and Standards)
BOOTP, DHCP, DNS, FTP, HTTP, HTTPS, IMAP4,PING, POP3, NSLOOKUP, NTP, SFTP, SMTP, SNMP, Telnet, TFTP
Presentation (Protocols and Standards)
MIME, SSL, TLS
Session (Protocols and Standards)
RTP & SIP
Transport (Protocols and Standards)
TCP & UDP
Network (Protocols and Standards)
ARP, ICMP, IGMP, IP, IPSec, RARP
Data Link (Protocols and Standards)
L2TP, PPP, PPTP, SLIP
Physical Link (Standards)
IEEE 802.3 (Ethernet), 802.5 (Token Ring), 802.11 (Wi-Fi)
THIS SET IS OFTEN IN FOLDERS WITH...
Commonly used TCP and UDP Ports
Network + OSI model
IEEE 802 Standards
TCP (Transmission Control Protocol)
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