A network technician has been asked to design a virtual private network between two branch routers. Which type of cryptographic key should be used in this scenario?

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A network technician has been asked to design a virtual private network between two branch routers. Which type of cryptographic key should be used in this scenario?

hash key
symmetric key
asymmetric key
digital signature

Explanation:
A symmetric key requires that both routers have access to the secret key that is used to encrypt and decrypt exchanged data.

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