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.
A regular prototype minimizes constraints if compared to a paper one because possible problems in use can be identified easily.
<h3>What is a prototype?</h3>
This refers to the initial model of a product designed to test the features of the model before it is released to the market.
<h3>What are the differences between digital and paper prototypes?</h3>
Online protoypes are often time-saving, however, because some features of the prototype cannot be tested, a regular protoype is much better to identify possible problems in design or use.
Learn more about prototipes in: brainly.com/question/4622383
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Answer:
Retailing.
Explanation:
La venta al por menor o retailing es el suministro de bienes físicos a los consumidores para uso personal, sea en pequeña o grandes cantidades, siempre que esté destinado a consumidores finales. Es un sector que consta de diferentes ramas (como la industria alimentaria, la industria de la moda, la industria del mobiliario para el hogar, etc.). El comercio minorista es el último eslabón de la cadena de suministro que va desde el fabricante hasta el consumidor.
Answer:i do Eri's Quirk allows her to rewind an individual's body to a previous state. She has shown the ability to rewind someone's body to a point before they existed, which she accidentally did to her father.
seatbelt
Explanation:
Seatbelt lowers your momentum so it can take impact to be less dangerous
