Answer:
Compiler.
Explanation:
Actually there are two things missing in the code first is the header file.There is only # include no filename is there like<iostream>,,bits/stdc++.h> etc.cin ,cout will not work until iostream is included in the program.After including the header properly the missing semicolon will be caught by the compiler.The error will be as following:-
expected ';' before return.
It's how you format your hard drive
Answer:
<em>systemctl restart firewalld</em>
Explanation:
The command that will most likely resolve the communication issue being experienced by Alex ( i.e. his inability to communicate on port 80 ) is
<em>systemctl restart firewalld </em>given that the host-based firewall's configuration has been changed