$63\mathrm{.}6\%$ complete

Question

A cyber technician reduces a computer's attack surface by installing a crypto$-$processor on a removable PCIe adaptor card. What type of cryptoprocessor can support this requirement?

A$.$Certificate Revocation Lists $($CRL$)$

B$.$Hardware Security Module $($HSM$)$

C$.$Public Key Infrastructure $($PKI$)$

D$.$Trusted Platform Module $($TPM$)$