Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

Last Updated on November 2, 2020 by InfraExam

Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

• HTTP
• FTP
• DNS
• SMTP
  

  Answers Explanation & Hints: Some applications may use both TCP and UDP. DNS uses UDP when clients send requests to a DNS server, and TCP when two DNS serves directly communicate.

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