Which protocol is used for web pages?, FTP, HTTP, DNS , SMTP, What does DNS do?, Transfer files, sends e-mails, Maps host names to IP addresses, Provides remote login, Which protocol is better for transferring large files?, FTP, HTTP, DNS, SMTP, Which protocol replaced TELNET because it is more secure?, FTP, POP3, SSH, MIME, Which protocol is used to send e-mails?, DNS , HTTP, SMTP, FTP, Which protocols are used to retrieve e-mails?, HTTP and FTP, DNS and SMTP, POP3 and IMAP, TCP and UDP, What is the default port number for HTTP servers?, 21, 25, 80, 53, Which paradigram allows computer to both provide and receive services?, Client-Server, Peer-to-Peer, HTTP, DNS, Which transport protocol is connection-oriented?, UDP, TCP, DNS, FTP, What dose MIME allow in e-mail systems?, Only text messages, DNS protection, Sending non-ASCII data , Remote login.

Application Layer

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