Go back to 642-637 - Securing Networks with Cisco Routers and Switches (SECURE) v1.0

Question :-

You are a network administrator and are moving a web server from inside the company network to a DMZ segment that is located on a Cisco router. The web server was located at IP address 172.16.10.50 on the inside and changed to the IP address 172.20.10.5 on the DMZ. Additionally, you are moving the web port to 8080 but do not want your inside users to be affected. Which NAT statement should you configure on your router to support the change?
hostname(config)# ip nat inside source static 172.16.10.50 172.20.10.5
hostname(config)# ip nat inside source static tcp 172.16.10.50 80 172.20.10.5 8080
hostname(config)# ip nat outside source static tcp 172.16.10.50 80 172.20.10.5 8080
hostname(config)# ip nat static outside source tcp 172.20.10.5 80 172.16.10.50 8080
hostname(config)# ip nat static inside source udp 172.20.10.50 172.20.10.5

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