210-260 Question #77: Real Exam Question with Answer & Explanation

The correct answer is A: It provides hardware authentication. A Trusted Platform Module (TPM) is a specialized chip on an endpoint device that stores RSA encryption keys specific to the host system for hardware authentication. Each TPM chip contains an RSA key pair called the Endorsement Key (EK). The pair is maintained inside the chip and

Question

What is an advantage of implementing a Trusted Platform Module for disk encryption?

Options

AIt provides hardware authentication
BIt allows the hard disk to be transferred to another device without requiring re-encryption.dis
Cit supports a more complex encryption algorithm than other disk-encryption technologies.
Dit can protect against single poins of failure.

Explanation

A Trusted Platform Module (TPM) is a specialized chip on an endpoint device that stores RSA encryption keys specific to the host system for hardware authentication. Each TPM chip contains an RSA key pair called the Endorsement Key (EK). The pair is maintained inside the chip and cannot be accessed by software. The Storage Root Key (SRK) is created when a user or administrator takes ownership of the system. This key pair is generated by the TPM based on the Endorsement Key and an owner-specified password.

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