GASF Mobile Evidence Acquisition Methods 2

Question 1

What is cloud acquisition in mobile forensics and what authentication is typically required?

Accepted Answer

Extracting data from cloud backup services using account credentials or legal process/tokens

Answer

Acquiring data from a device over Bluetooth; requires device PIN

Answer

Downloading data from carrier servers; requires a court order only

Answer

Recovering data from cell tower logs; requires carrier cooperation

Question 2

Which Cellebrite product is specifically designed for physical and logical mobile device extraction?

Accepted Answer

Cellebrite UFED (Universal Forensic Extraction Device)

Answer

Cellebrite Analytics

Answer

Cellebrite Pathfinder

Answer

Cellebrite Premium

Question 3

What does a 'logical' acquisition capture from a mobile device?

Accepted Answer

Data accessible through the operating system's standard APIs and file system interface

Answer

A bit-for-bit image of the entire flash storage including unallocated space

Answer

Only deleted file remnants from unallocated clusters

Answer

Raw NAND chip contents bypassing the OS

Question 4

In mobile forensics, what is the significance of preserving volatile data before powering down a device?

Accepted Answer

Volatile memory may hold decryption keys, running process data, and temporary files lost on power-off

Answer

RAM contains the only copy of encrypted messages

Answer

The device clock resets on power-off affecting timestamps

Answer

App usage statistics are stored only in RAM

Question 5

What is 'EDL (Emergency Download) mode' on Qualcomm-based Android devices and its forensic use?

Accepted Answer

A low-level Qualcomm bootloader mode allowing direct flash memory read/write for acquisition

Answer

A mode for emergency OS updates via carrier network

Answer

An emergency data deletion mode triggered by law enforcement

Answer

A mode that disables encryption for emergency access

Question 6

What is the primary forensic challenge with devices that have enabled 'Secure Boot'?

Accepted Answer

Secure Boot prevents loading unauthorized bootloaders or forensic tools, limiting low-level acquisition options

Answer

Secure Boot deletes data during acquisition

Answer

Secure Boot encrypts all network traffic making cloud acquisition impossible

Answer

Secure Boot automatically wipes the device if forensic tools are detected