GCIA: GIAC Certified Intrusion AnalystDemo

By GIAC · Question Mode

QuestionQ311

Application Protocols

Which of the following ports is the default for a DNS zone transfer?

  • A Port 21
  • B Port 80
  • C Port 23
  • D Port 53
Explanation

DNS zone transfers use port 53, generally over TCP, because DNS is assigned port 53.

Community Discussion

No comments yet. Be the first to start the discussion!