What role does the trusted third party serve in public$-$key certificates? Select all that apply.

Signs public$-$key certificates using its private key

Publishes its own public key so others can use it to verify the certificates it issues

Signs public$-$key certificates using its public key

Publishes its own private key so others can use it to verify the certificates it issues

Question $52(1$ point$)$

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Access control protects data on a computer against:

Trojans.

theft.

hostile users.

recycling.