Which type of drivers must always be certified in order to be installed in windows?

Signed drivers is the correct answer to the following question.

Explanation:

Signed driver is also known as digitally-signed driver which referred to that when we install the driver software then its certificate is available digitally we also enable the signed drive and disable the signed driver accord to the use.

The process of the both enabling and disabling are the same but difference in ON or OFF, If you want to enable it then, write -set TESTSIGNING ON after that press the enter key on cmd and if you want to disable it then, write - set TESTSIGNING OFF then, press the enter key on cmd.

answer; i believe its a ( bond );