Creating which of the following is how a hacker can insure his ability to return to the hacked
system at will?
A.
rootsec
B.
checksum
C.
CRC
D.
backdoors
E.
None of the choices.
Explanation:
A backdoor refers to a generally undocumented means of getting into a system,
mostly for programming and maintenance/troubleshooting needs. Most real world programs have
backdoors. Creating backdoors is how a hacker can insure his ability to return to the hacked
system at will.