Which of the following information types are CMMC $2\mathrm{.}0$ Level $1$ controls designed to protect?

$1.$

Information Type: Controlled Unclassified Information $($CUI$)$

$2.$

Information Type: Federal Contract Information $($FCI$)$

$3.$

Information Type: Classified Information $($CI$)$

$4.$

Information Type: Personally Identifiable Information $($PII$)$