Forty computers in a school share a single public IP address to reach the internet. How does the router know which computer each returning packet belongs to?
Quarante ordinateurs d'une école partagent une seule adresse IP publique pour accéder à Internet. Comment le routeur sait-il à quel ordinateur appartient chaque paquet de retour ?
Answers
AIt broadcasts every reply to all forty computers and lets them sort it outIl diffuse chaque réponse aux quarante ordinateurs et les laisse faire le tri
BIt maps each connection to a unique source port and translates replies backIl associe chaque connexion à un port source unique et retraduit les réponses
CIt lends each computer its own public IP address for a few seconds at a timeIl prête à chaque ordinateur sa propre adresse IP publique pendant quelques secondes
DThe internet provider tells the router which computer made each requestLe fournisseur d'accès indique au routeur quel ordinateur a fait chaque demande
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