WorksheetsDigital Evidence Midterm Review
Total questions: 70
Worksheet time: 1hrs 10mins
If you use Andriod Auto or Apple Carplay, is BERLA able to retrieve what was done through Auto/Carplay?
Yes
No
What is BERLA used to collect data from?
Phones
Computers
Vehicles
iPads
What type of system does a vehicle need in order for BERLA to be used?
(a)
Sometimes the process of using BERLA is destructive.
True
False
What does BFU stand for?
Bytes For U
Best Forensic Unlock
Before First Unlock
Before Forensic Unlock
Using end-to-end keys that are required to open the contents of digital information is a process called ______.
Bit Locking
Byte Sharing
Codebreaking
Encryption
If a computer is off, you should leave it off when collecting it.
True
False
Why is it necessary to remove a device from it's network when collecting it?
Someone could remotely wipe the device
To stop getting text messages on the device
To save the battery
To keep it unlocked
It is OK to let an unlocked phone lock after you collect it.
True
False
Digital evidence examination involves looking for both ______ and ______ data on devices
Secret, Typed
Latent, Visible
Latent, Variable
Visible, Discernable
A byte is comprised of a group of (a) .
Random Access Memory is commonly abbreviated as (a) .
When data is _____, that data is overwritten with 0s and is gone.
Typed
Deleted
Parsed
Erased
When data is _______ on a device, it is not necessarily unrecoverable.
Wiped
Deleted
Erased
Hidden
A bit-by-bit copy of a device is known as a _________ .
Forensic Image
Hash
Copy
Case
If two files have the same hash value, that indicates that they are exact copies of each other.
True
False
The SHA-512 and MD5 values above are examples of _________ .
Codecs
Phone Numbers
Hashes
Encryption Keys
A (a) is defined as he electronic representation of a sequence of images, depicting either stationary or moving scenes.
What are the two types of compression?
Lossy
Full
Compressed
Loosless
What type of video frame shows the ENTIRE image, with nothing missing?
P
I
B
A
.avi is an example of this type of file that encapsulates media into one file.
Proprietary
Container
Uno Reverse
Codec
________ is defined as the amount of detail in an image.
Accutance
Sharpness
Pixellation
What are the main ways to extract video from a DVR?
Via USB
Via CD/DVD
Screen Capture
Network Connection
Because all of this evidence is digital, we do not need to take photos of it or while we collect it.
True
False
DVR stands for ________ .
Digital Video Recorder
Digital Video Reader
Digital Voice Recorder
Dynamic Video Receiver
Which are phases of digital evidence history?
Pro Bono
Ad-Hoc
Structured
Enterprise
Digital examinations are completed on evidentiary devices themselves - as in, it's completed on the original device directly.
True
False
Digital examinations are completed on master copies of evidence.
True
False
Digital examinations are completed on working copies of evidence.
True
False
Your search warrant indicates that you can look for optical media. Which of the following are you allowed to collect?
USB drive
DVD
Computer Hard Drive
External Hard Drive
Any device or media with electronic information storage may be relevant to the case and relied on in court proceedings is considered ___________ .
Cell Phone
Encrypted
Statutory
Digital Evidence
What are the steps of a digital investigation?
Preparation, identification, preservation, examination, analysis,
presentation
Preparation, identification, preservation, collection, examination, analysis,
presentation
Identification, preservation, collection, examination, analysis,
presentation
Preparation, identification, preservation, collection, examination, analysis
When the device itself contains the stolen data, it is considered the ______ .
Fruit of the crime
Seed of the crime
Contemporary crime
Target of the crime
What kind of crime are skimmers used in?
Computer theft
Driver's license theft
What's a skimmer?
Credit card theft
It is not important to gather and worry about traditional evidence (like fingerprints or DNA) when collecting/analyzing digital evidence.
True
False
A small pouch used to prevent wireless or electronic signals from making its way to a device is a (a) bag.
Where are appropriate places to search for digital evidence at a crime scene? Select all that apply.
Around the computer
Under the keyboard
Typical hiding places
Inside manuals
When you need to acquire an image and examine the entire contents of a device, you
would pick which image type?
Logical
File System
Physical
Which one of these is NOT a challenge/privacy concern for IoT?
Privacy vs Evidence
Reliability
Legal Practicality
IoT Energy Efficiency
In 2016 the _______ attack on vulnerable IoT devices demonstrated the importance of creating strong passwords and completing regular firmware updates.
Mirai Botnet
Owlet Heart Monitor
TRENDnet
St. Jude Medical Pacemaker
When collecting IoT devices, it is important to turn off network connections to prevent remote data manipulation or deletion?
True
False
Which of the following is NOT an example of IoT data being used in an investigation?
Amazon Echo recording audio contradicting suspect alibi.
Smart Locks being unlocked by suspect's phone during time of murder
Fitbit watch tracking sleep patterns of victim to help determine time of death.
Smart fridge tracking the victims eating habits.
What is a forensic image?
A photograph of a crime scene.
A bit-by-bit copy of the original device
A crime scene sketch
Forensic Toolkit (FTK) is another tool used for ______ of forensic images.
Acquisition
Parsing
Expiditing
Encrypting
Autopsy is another tool used for ______ of forensic images.
Acquisition
Parsing
Expiditing
Encrypting
What is the most common forensic image file type?
AAF
RAW
E01
F5
When collecting a forensic image using FTK, the examiner can elect to encrypt the image.
True
False
In the case of Arkansas vs. Bates what kind of IoT device was used as crucial evidence in a murder investigation?
Fitbit
Amazon Echo
Google Nest
SimpliSafe Smart Lock
FTK, Autopsy, and most general forensic tools all do the same basic thing - collect and categorize information recovered from digital evidence.
True
False
Autopsy allows tagging of content.
True
False
The temperature where you store digital evidence doesn't matter.
True
False
This type of extraction only recovers visible data, not deleted data.
Binary
Raw
Physical
Logical
How you collect a computer will vary depending on it's state - on vs off, encryption programs present, etc.
True
False
If you collect a cell phone that is on but locked, what should you do? Select all that apply.
Put it in airplane mode if you can
Plug it in
Attempt to enter a password
Turn it off
If you have to unplug a computer, you should unplug it from:
The wall
The back of the computer
People never reuse passwords, so you don't need to collect anything from the scene with a password written on it.
True
False
When collecting video from a DVR, what filetype(s) should you always collect, if able?
Proprietary/Native
Accepted/Common
Universal/Container
Extra/Edited
______ storage is an internal media used by a computer to store data, usually referred to as the hard drive.
Fixed
Removable
External
Temporary
After digital evidence of a crime has been erased, a DE examiner can recover it.
True
False
Which one of these are reasons to collect both the native file type and common container file of a video file? Select all that apply.
Compression ratios are different.
The quality of video will likely be better on the original.
They are both playable on any computer.
Compression artifacts may be present in only one.
When RAM memory is gone, its unretrievable.
True
False
Investigators can legally force someone to provide their password.
True
False
A device "dump" is also known as? Select all that apply.
Acquisition
Extraction
File Type
Format
On an encrypted device, like your phone, we must have the password or decryption key to get all of the information off of the device.
True
False
What type of extraction involves physically removing flash memory chips from a subject device and then acquiring the raw data using specialized equipment?
JTAG
Logical
Physical
Chip Off
Before conducting any search, an investigator needs proper search authority.
True
False
After serving a search warrant, you are required to list what you seized in the warrant.
True
False
____ data is things that the user can see and interact with on their device.
Visible
Latent
Purchased
Viewer
What it the process an examiner goes through to determine which items and in what order they will analyze from a case?
Parsing
Sorting
Triage
Acquisition
•is any type of storage device that can be removed from a computer while the system is running.
(a)
