Application & Presentation Layer

🌐 Application & Presentation Layer | Computer Networks In this lecture, we complete our study of the *upper layers of the OSI model* by covering the *Application Layer (Layer 7)* and **Presentation Layer (Layer 6)**. *Topics covered:* *Application Layer* Introduction and functions Application Layer protocols Client–Server Model HTTP, FTP, SMTP, POP3, IMAP DNS and DHCP SNMP, Telnet & SSH Web browsing, email & file transfer Real-world applications *Presentation Layer* Introduction and functions Data representation Data translation and format conversion Character encoding — ASCII & EBCDIC Encryption & Decryption Data Compression MIME Real-world examples Difference between Presentation Layer and Application Layer This lecture is useful for *UGC NET, GATE, university exams, and Computer Science students* preparing for Computer Networks and the OSI model. Hashtags #ApplicationLayer #PresentationLayer #ComputerNetworks #OSIModel #Networking #HTTP #FTP #SMTP #DNS #DHCP #SNMP #SSH #Telnet #DataEncryption #DataCompression #ASCII #EBCDIC #MIME #ComputerNetworking #UGCNET #UGCNETComputerScience #GATECS #ComputerScience #NetworkingTutorial