Answer:
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The default name for an event procedure that will be executed when the user clicks on the control will be btnDisplayListclick.
<h3>What is a default name?</h3>
It should be noted that a default name means a name that's assigned to a folder that's created in a computer.
In this case, the default name for an event procedure that will be executed when the user clicks on the control will be btnDisplayListclick.
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Answer:
from socket import *
hostname = input('Enter the host to be scanned: ')
ip_add = gethostbyname(hostname)
connections = [ ]
for i in range(133, 136):
s = socket(AF_INET, SOCK_STREAM)
conn = s.connect_ex((ip_add, i))
print(conn)
connections.append(conn)
if 0 in connections:
print ('Host is online')
s.close()
else:
print ('system is unreachable')
Explanation:
The python source code above scans for all the available range of ports in the provided hostname, if any port is available, the host is online else the program print the error message "system is unreachable.
