All of the following statements about the Digital Millennium Copyright Act $($DMCA$)$ are true except:

a$.$ the DMCA makes Internet Service Providers $($ISPs$)$ responsible and accountable for hosting websites providing services to infringers regardless of whether the ISP is aware of infringement.

b$.$ the DMCA allows libraries to make digital copies of works for internal use only.

c$.$ the DMCA makes it illegal to circumvent technological measures to protect works.

d$.$ the DMCA requires search engines to block access to infringing sites.