The OSI Model (2022/2023) Already Passed

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The OSI Model (2022/2023) Already Passed Layer 1 ✔✔Physical Layer # Layer 2 ✔✔Data Link Layer # Layer 3 ✔✔Network Layer # Layer 4 ✔✔Transport Layer # Layer 5 ✔✔Session Layer ... # Layer 6 ✔✔Presentation Layer # Layer 7 ✔✔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) [Show More]

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