A Linux Administrator Recently Changed the IP Addresses of All

Multiple Choice

A Linux administrator recently changed the IP addresses of all the web servers from 10.10.50.x to 10.10.100.x. The administrator needs to update the serverlist.txt file to reflect the change. The file contains the following: 10:WebSvr01:10.10.50.21:Main 11:WebSvr02:10.10.50.22:Acconting 12:WebSvr03:10.10.50.23:Intranet 20:NFS01:10.10.20.21:FileServer 30:SMTP01:10.10.30.31:Email Which of the following commands will change the IP addresses and update the files in place?

A) sed 's|.50|.100|g' serverlist.txt
B) sed -g 's|.50|.100|a' serverlist.txt
C) sed -i 's|.50|.100|' serverlist.txt
D) sed -i 's|.50|.100|g' serverlist.txt