PT0-002 Exam Dumps | A penetration tester developed the following script to be used during an engagement: #!/usr/bin/python

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Question 16/181

A penetration tester developed the following script to be used during an engagement:
#!/usr/bin/python
import socket, sys
ports = [21, 22, 23, 25, 80, 139, 443, 445, 3306, 3389]
if len(sys.argv) > 1:
target = socket.gethostbyname (sys. argv [0])
else:
print ("Few arguments.")
print ("Syntax: python {} <target ip>". format (sys. argv [0]))
sys.exit ()
try:
for port in ports:
s = socket. socket (socket. AF_INET, socket. SOCK_STREAM)
s.settimeout (2)
result = s.connect_ex ((target, port) )
if result == 0:
print ("Port {} is opened". format (port) )
except KeyboardInterrupt:
print ("\nExiting ... ")
sys.exit ()
However, when the penetration tester ran the script, the tester received the following message:
socket.gaierror: [Errno -2] Name or service not known
Which of the following changes should the penetration tester implement to fix the script?

A. From:
target = socket.gethostbyname (sys. argv [0])
To:
target = socket.gethostbyname (sys.argv[1])

B. From:
s = socket. socket (socket. AF_INET, socket. SOCK_STREAM)
To:
s = socket.socket (socket.AF_INET, socket. SOCK_DGRAM)

C. From:
import socket, sys
To:
import socket
import sys

D. From:
result = s.connect_ex ((target, port) )
To:
result = s.connect ( (target, port) )

Question 16/181

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