CCNA TCP/UDP

Which transport protocol is connection-oriented?

TCP

Which transport protocol is connectionless?

UDP

Which protocol ensures reliable data delivery?

TCP

Which protocol offers faster but unreliable data transmission?

UDP

Which protocol uses acknowledgments and retransmissions?

TCP

Which protocol does NOT use acknowledgments or retransmissions?

UDP

Which protocol provides sequencing of data?

TCP

Which protocol does NOT guarantee packet order?

UDP

Which protocol uses flow control via windowing?

TCP

Which protocol does NOT use flow control?

UDP

Which protocol is better for streaming applications like video or VoIP?

UDP

Which protocol is best for applications requiring reliability like file transfer or email?

TCP

Which transport layer protocol is used by HTTP, HTTPS, FTP, SMTP?

TCP

Which transport layer protocol is used by DNS (query), TFTP, VoIP, DHCP?

UDP

What is the port number for TCP-based HTTP traffic?

80

What is the port number for UDP-based DNS queries?

53

What mechanism does TCP use to prevent overwhelming a receiver?

Flow control (window size)

Does UDP offer congestion control?

No, UDP does not manage congestion

What is a three-way handshake used for?

To establish a TCP connection

What is a major benefit of using UDP in gaming?

Lower latency and faster transmission