CFP Forensic Image Metadata & Authentication

Question 1

What does EXIF data embedded in a forensic photograph typically contain?

Accepted Answer

Camera make/model, date/time, GPS coordinates, and camera settings

Answer

Only the photographer's name and badge number

Answer

Only the file size and resolution

Answer

Encryption keys and access permissions

Question 2

Which cryptographic function is most commonly used to verify the integrity of forensic digital images?

Accepted Answer

MD5 or SHA-256 hash algorithm

Answer

AES-256 encryption algorithm

Answer

RSA public-key algorithm

Answer

ZIP compression checksum

Question 3

What is the primary purpose of computing a hash value immediately after capturing forensic images?

Accepted Answer

To establish a baseline for detecting any subsequent alterations to the file

Answer

To compress the image for faster transfer to the evidence lab

Answer

To automatically back up the image to cloud storage

Answer

To convert the image to a court-admissible file format

Question 4

Which file format is generally preferred for storing forensic photographs because it preserves all original data without lossy compression?

Accepted Answer

RAW or TIFF, because they use lossless or no compression

Answer

JPEG, because it is universally compatible with court systems

Answer

GIF, because it supports lossless animation frames

Answer

BMP without metadata to reduce file size

Question 5

What term describes the chronological record documenting who possessed forensic photographic evidence and when?

Accepted Answer

Chain of custody

Answer

Evidence manifest

Answer

Forensic audit trail

Answer

Image provenance log

Question 6

When is the optimal time to record the hash value of a forensic photograph?

Accepted Answer

Immediately after capture, before any file transfer or processing

Answer

After all images have been reviewed and selected for submission

Answer

When submitting the evidence package to the court clerk

Answer

After the investigation has been formally closed

Question 7

What is the evidentiary significance of GPS metadata embedded in forensic photographs?

Accepted Answer

It provides verifiable location data that can corroborate crime scene geography

Answer

It determines the correct white balance setting for the scene

Answer

It automatically adjusts exposure compensation for outdoor conditions

Answer

It links the image file to the photographer's professional license number