A Linux server is configured as a router, but the administrator notices that packets are no longer being routed. Which of the following should the administrator run on the server to verify routing functionality?
A. cat /proc/self/status
B. /etc/rc.d/squid status
C. /etc/rc.d/network status
D. cat /proc/sys/net/ipv4/ip_forward
Answer: D
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.