Question: Please fill the blank below so that grep command(s) will display the lines that contain both pop3 and tcp in /etc/services file as shown below

Please fill the blank below so that grep command(s) will display the lines that contain both pop3 and tcp in /etc/services file as shown below (8 points). (Note: you are allowed to use |) $ grep ________________________________________________________________________

pop3 110/tcp pop-3 # POP version 3

pop3s 995/tcp # POP-3 over SSL $

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