A network technician is troubleshooting a connectivity issue with Joe, a user. Joe has reported that when he attempts to RDP to machine1 (192.168.21.21) by name, he is connected to machine3 (192.168.21.23). When the network technician runs the command nslookup machine1, it returns the IP address 192.168.21.23; but when the ping Ca 192.168.21.23command is run, the results return the hostname machine3.
Which of the following DNS records should be updated to allow RDP connections to machine1 by hostname?
A . A
B . SRV
C . PTR
D . TXT
Answer: A