CCE Computer Forensics Tools & Techniques

Question 1

Which tool is primarily used for imaging a suspect's hard drive without altering its contents?

Accepted Answer

FTK Imager

Answer

FTK Imager is a specialized forensic tool designed to create exact, bit-for-bit copies (images) of digital media. It ensures data integrity by not altering the original evidence, which is crucial for maintaining admissibility in court. This process is fundamental in digital forensics to preserve the original state of a suspect's drive.

Question 2

What is the main purpose of a write blocker in digital forensics?

Accepted Answer

To prevent writing to a suspect drive

Answer

A write blocker is a critical hardware or software device in digital forensics. Its main purpose is to physically or logically prevent any modifications, accidental or intentional, from being written to a suspect's storage device. This ensures the integrity and authenticity of the original evidence, making it admissible in legal proceedings.

Question 3

Which hash algorithm is most commonly used to verify the integrity of forensic images?

Accepted Answer

MD5

Answer

MD5 (Message-Digest Algorithm 5) is a widely used cryptographic hash function in digital forensics. It generates a unique, fixed-size string of characters (hash value) for a given data set. This hash value acts as a digital fingerprint, allowing examiners to verify that a forensic image has not been altered since its creation, thus ensuring evidence integrity.

Question 4

What is the function of the tool 'Autopsy' in computer forensics?

Accepted Answer

Forensic data analysis

Answer

Autopsy is an open-source digital forensics platform used for analyzing disk images and recovering deleted files. It provides a comprehensive suite of tools for examining file systems, timelines, web activity, and other artifacts. Its primary function is to help forensic investigators sift through large amounts of data to find relevant evidence.

Question 5

Which technique is best suited to recover deleted files from a FAT file system?

Accepted Answer

File carving

Answer

File carving is a technique used to recover deleted or fragmented files from raw disk images, especially effective when file system metadata is damaged or missing. It works by searching for known file headers and footers (signatures) within the raw data. This method is particularly useful for recovering files from simpler file systems like FAT where metadata might be less robustly preserved after deletion.

(CCE) Certified Computer Examiner Practice Test

(CCE) Certified Computer Examiner Practice Test

CCE Computer Forensics Tools & Techniques