A network administrator must configure a live video webcast from the company's auditorium to several conference rooms on the same LAN. The application developer says the stream should prioritize minimal latency and can tolerate occasional packet loss, and they want to avoid any handshake or session-establishment overhead. Which protocol should the administrator specify for transporting the video data?
User Datagram Protocol is a connectionless transport that adds no handshake or sequencing overhead. Because it tolerates some loss and supports multicast/broadcast delivery, it is routinely chosen for real-time audio and video streams. DHCP is a network-management service for leasing IP addresses, not media transport. TFTP also uses UDP but is intended for simple, small file transfers such as firmware images. SSH is a secure, connection-oriented protocol over TCP port 22 and would introduce unacceptable latency for continuous media.
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What makes UDP better for real-time audio and video streaming?
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How does UDP differ from TCP when handling data transmission?
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What is the difference between unicast, multicast, and broadcast in UDP?
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CompTIA A+ 220-1101 (V14)
Networking
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