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How is error-recovery provided to an HTTP connection between a Web Browser (Host) and a Web Server?
By establishing a UDP connection between the Host and the Web Server.
By establishing an ICMP connection between the Host and its default gateway.
By establishing a TCP connection between the Host and the Web Server.
By establishing a TCP connection between the Host and its default gateway.
By establishing a UDP connection between the Host and its default gateway.
By establishing an ICMP connection between the Host and the Web Server.
TCP is a transport layer protocol, which provides services such as: reliable connectivity, error recovery, flow control through windowing, multiplexing using port numbers and ordered data transfer. UDP on the other hand provides a connectionless service, meaning that no reliability is provided. In the scenario the TCP must be established between the Host requesting the Web page and the Web Server. For more information refer to: [Odom W. - Cisco CCENT - CCNA ICND1 100-101 Official Certification Guide, Part 1, Chapter 1, page 87]
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