Camada de apresentação

Vídeo explicativo sobre a Camada de Apresentação
Modelo OSI
Camada Protocolo
7.Aplicação HTTP, RTP, SMTP, FTP, SSH, Telnet, SIP, RDP, IRC, SNMP, NNTP, POP3, IMAP, BitTorrent, DNS ...
6.Apresentação XDR, TLS ...
5.Sessão NetBIOS ...
4.Transporte NetBEUI, TCP, UDP, SCTP, DCCP, RIP ...
3.Rede IP (IPv4, IPv6), IPsec, ICMP, NAT ...
2.Enlace Ethernet, IEEE 802.1Q, HDLC, Token ring, FDDI, PPP, Switch, Frame relay, ATM, ARP, RARP ...
1.Física Modem, , 802.11 Wi-Fi RDIS, RS-232, EIA-422, RS-449, Bluetooth, USB, 10BASE-T, 100BASE-TX, ISDN, SONET, DSL ...


No Modelo OSI de sete camadas de rede de computadores, a camada de apresentação é a camada 6 e serve como o tradutor de dados para a rede. É algumas vezes chamado de camada de sintaxe.[1]

Descrição

A camada de apresentação é responsável pela entrega e formatação da informação para a camada de aplicação para posterior processamento ou apresentação. Ela libera a camada de aplicação de questões relacionadas às diferenças sintáticas na representação de dados dentro dos sistemas do utilizador final. Um exemplo de um serviço de apresentação seria a conversão de um arquivo de computador de texto codificado em EBCDIC para um arquivo codificado em ASCII.[2]

Ela também é responsável pela compressão e criptografia dos dados.

Referências


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