Question $19(2$ points$)$

$$

Netcat is a computer networking utility for reading from and writing to network

connections using TCP or UDP. It can operate in multiple modes. To set up netcat to

be a persistent listener you should use which of the following command flags?

$-$pl

$-$p

$-$L

$-1$

Question $20(2$ points$)$

$$

What does the following command do$?$

$ nc $-$ I $-$p $[$local port$]>$ outfile

push infile to target IP address on the specified port

listen on local port, prep to push outfile

listen on local port, store the results in outfile

connect on target IP address on designated port and retrieve outfile

Question $21(2$ points$)$

Which of the following commands would conduct a port scan verbosely using netcat

for Windows without resolving names?

$ $nc-n10\mathrm{.}10\mathrm{.}10\mathrm{.}101-150$

$ $nc10\mathrm{.}10\mathrm{.}10\mathrm{.}101-150$

$ $nc-vvv-n10\mathrm{.}10\mathrm{.}10\mathrm{.}101-150$

$$nc-vv-n10\mathrm{.}10\mathrm{.}10\mathrm{.}101-150$

Question $22(2$ points$)$

E

During post$-$exploitation an attacker wants to pilfer information that can be sold or

used to exploit additional systems. Password representations are extremely

important. Where would you find password representations on Linux machines?

$/$etc$/$password

$/$etc$/$shadow

$/$etc$/$passwd

$/$etc$/$hashes