What purpose does a Message Digest $5($MD$5)/$Secure Hash Algorithm $($SHA$)$ serve?

Verifies the integrity of the data by creating a alpha$-$numeric fingerprint to prove that the image has not been altered during the imaging process

Scans through the data on a computer device to search for specific keywords

Searches the deleted files on the system and regenerates copies for the forensic examiner to look through

Transfers all of the information from the HDD of the system being examined onto the computer of the forensic analyst so it can be studied without being altered