Which of the following protocols use both TCP and UDP?
  1. FTP
  2. HTTP
  3. DNS
  4. SMTP
Explanation
Answer: C - DNS uses both TCP and UDP for its operation.

Key Takeaway: DNS uses TCP for Zone transfer and UDP for name queries. UDP is used to exchange small information and TCP is used to exchange information larger than 512 bytes.
Was this helpful? Upvote!
Login to contribute your own answer or details

Top questions

Related questions

Most popular on PracticeQuiz