Which protocol must be allowed on the firewall so that NTP services work properly?

By | November 19, 2022

  • A. TCP
  • B. ICMP
  • C. BGP
  • D. UDP
Answer: Option D.
Explanation: 

Reference: https://www.cisco.com/c/en/us/support/docs/ip/network-time-protocol-ntp/108076-ntp-troubleshoot.html

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