Q: What port on a name server is used for User Datagram Protocol (UDP) name request packets?
or
Q: What port does User Datagram Protocol (UDP) name request packets go over on a name server?
- 53
- 80
- 25
- 22
Explanation: User Datagram Protocol (UDP) name request packets are sent over port 53 on a name server. This port is utilized for their transmission. DNS (Domain Name System) requests and replies, which are normally delivered using UDP, are the only ones that may be sent via this port while it is reserved.