ACE Evidence Acquisition & Preservation

Question 1

What is the primary objective of evidence acquisition in digital forensics?

Accepted Answer

Collect digital data without altering integrity

Answer

The primary objective of evidence acquisition in digital forensics is to collect all relevant digital data in a way that absolutely preserves its original state and integrity. This means using specialized tools and techniques to create exact copies without making any changes to the source device or files. Maintaining integrity is paramount for the evidence to be admissible in legal proceedings.

Question 2

Which tool is commonly used for acquiring forensic images?

Accepted Answer

FTK Imager

Answer

FTK Imager is a free, stand-alone software tool developed by AccessData, widely recognized and used for acquiring forensic images of digital media. It allows investigators to create bit-for-bit copies of hard drives, partitions, or logical files, ensuring the integrity of the original evidence. Its primary function is to facilitate the secure and forensically sound collection of data.

Question 3

What is the purpose of maintaining a chain of custody in evidence handling?

Accepted Answer

Prevent tampering and maintain documentation

Answer

Maintaining a chain of custody is essential in evidence handling to document every person who has had possession of the evidence, when, and for what purpose. This meticulous record-keeping prevents unauthorized access or tampering, ensuring the evidence's integrity and authenticity. A broken chain of custody can render evidence inadmissible in court, undermining the entire investigation.

Question 4

Which of the following is considered the safest method for preserving digital evidence?

Accepted Answer

Use write-blocking tools

Answer

Using write-blocking tools is considered the safest method for preserving digital evidence because they physically or logically prevent any modifications from being written to the original storage device. This ensures that the integrity of the evidence is maintained during the acquisition process, preventing accidental or intentional alteration. It is a critical step in forensically sound data collection.

Question 5

What is a forensic image in digital evidence acquisition?

Accepted Answer

An exact copy of a digital device

Answer

A forensic image is a bit-for-bit, sector-by-sector duplicate of a digital storage device, capturing all data including active files, deleted files, and unallocated space. This exact copy serves as the working evidence for analysis, ensuring the original device remains untouched and its integrity preserved. It is fundamental for maintaining the authenticity and admissibility of digital evidence.

(ACE) AccessData Certified Examiner Practice Test

(ACE) AccessData Certified Examiner Practice Test

ACE Evidence Acquisition & Preservation