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What three protocols operate at the presentation layer of the OSI model?
smtp(simple mail transfer protocol,),ftp,(file trasfer protocol),ip(nternet protocol).
Which layer operates snmp smtp ftp and apple talk protocol?
Layer 7, Aplication
The dns protocol is at what layer of the OSI model?
DNS is an application layer protocol. The application layer of the OSI model is the layer closest to the user and provides network services to the applications of the user. Examples of protocols that operate at the application layer are: DNS, FTP, TFTP, SNMP, TELNET, RLOGIN, SMTP, MIME, NFS, FINGER, BOOTP and SMB.
Which is the deafult protocol used in directory services?
NTLM, LDAP, SMTP & RPC protocol
What is an application layer protocol used to retrieve messages from a mail server?
POP
Does SMTP require network physical data link layer for transmission?
Yes, SMTP (Simple Mail Transfer Protocol) relies on the underlying network infrastructure, which includes the physical data link layer, for transmission. While SMTP operates at the application layer of the OSI model, it requires the lower layers, including the physical layer, to facilitate the actual sending and receiving of data packets over a network. Without the physical data link layer, SMTP messages could not be transmitted between servers or clients.
List five nonproprietary Internet applications and the application-layer protocols that they use?
1.application: e-mail application-layer protocol: SMTP [RFC 2821] 2.application: WEB application-layer protocol: HTTP [RFC 2616] 3.application: streaming multimedia application-layer protocol: HTTP (eg Youtobe), RTP [RFC 1889] 4.application:file transfer application-layer protocol: FTP [RFC 959] 5.application: remote terminal access application-layer protocol: Tenet [RFC 854]
HTTP protocol belongs to which layer?
HTTP Belongs to the Application layer. Other transfer protocols like POP,FTP,SMTP etc also belongs to this layer
What is the protocol for specifically sending eMail?
SMTP Protocol
What dos SMTP stand for?
Simple Mail Transfer Protocol (SMTP)
What do the acronyms SMTP stand for?
SMTP = Simple Mail Transfer Protocol
Is smtp a secure protocol?
Yes
