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

Mar 5, 2020 Last Updated: Nov 3, 2020 No Comments
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IT Questions Bank › Category: CCNA › Which protocol or service uses UDP for a client-to-server communication and TCP for server-to-server communication?

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

  • HTTP
  • FTP
  • DNS
  • SMTP

Explanation: 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.

Exam with this question: Modules 14 – 15: Network Application Communications Exam Answers
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