The Authentication Center (AC) is responsible for authenticating subscribers to the cellular network. Which of the following is NOT a function of the AC?0.5 MarksValidating authentication responses from subscribersGenerating authentication challenges for subscribersStoring subscriber authentication credentials Providing roaming services to subscribersRouting traffic between subscribers and the network
Question
The Authentication Center (AC) is responsible for authenticating subscribers to the cellular network. Which of the following is NOT a function of the AC?0.5 MarksValidating authentication responses from subscribersGenerating authentication challenges for subscribersStoring subscriber authentication credentials Providing roaming services to subscribersRouting traffic between subscribers and the network
Solution
One of the functions of the Authentication Center (AC) is validating authentication responses from subscribers. This means that when a subscriber tries to access the cellular network, the AC checks if the authentication response provided by the subscriber is valid.
Another function of the AC is generating authentication challenges for subscribers. This means that when a subscriber tries to authenticate with the network, the AC generates a challenge that the subscriber needs to respond to in order to prove their identity.
The AC is also responsible for storing subscriber authentication credentials. This means that it keeps a record of the authentication information for each subscriber, such as their unique identifier and authentication key.
Additionally, the AC provides roaming services to subscribers. This means that when a subscriber is outside their home network, the AC helps authenticate them with the visited network so that they can access services.
However, routing traffic between subscribers and the network is not a function of the AC. This task is typically handled by other network components, such as routers and switches, which are responsible for directing data packets between subscribers and the network.
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