What is the complete range of TCP and UDP well-known ports?

• 0 to 255
• 0 to 1023
• 256 – 1023
• 1024 – 49151
  

  Explanation: There are three ranges of TCP and UDP ports. The well-know range of port numbers is from 0 – 1023.

For All Questions: CCNA1 ITN Chapter 9 Exam Answers 2019