Computer Forensics Chapter 4

List two hashing algorithms commonly used for forensic purposes. a. MD5 and SHA-1 b. MD5 and AES c. RSA and RC5 d. AES and SHA-2

a. MD5 and SHA-1

If a suspect's computer is found in an area that might have toxic chemicals, you must do which of the following? a. Coordinate with the HAZMAT team. b. Determine a way to obtain the suspect's computer. c. Assume the suspect's computer is contaminated. d. Do not enter alone.

a. Coordinate with the HAZMAT team.

As a private-sector investigator, you can become an agent of law enforcement when which of the following happens? a. You begin to take orders from a police detective without a warrant or subpoena. b. Your internal investigation has concluded, and you have filed a criminal complaint and turned over the evidence to law enforcement. c. Your internal investigation begins. d. None of the above.

a. You begin to take orders from a police detective without a warrant or subpoena.

Commingling evidence means that sensitive or confidential information being mixed with data collected as evidence. a. true b. false

a. true

Computer peripherals or attachments can contain DNA evidence. a. true b. false

a. true

If a company doesn't distribute a computing use policy stating an employer's right to inspect employees' computers freely, including e-mail and Web use, employees have an expectation of privacy. a. true b. false

a. true

If you discover a criminal act while investigating a company policy abuse, the case becomes a criminal investigation and should be referred to law enforcement. a. true b. flase

a. true

In forensic hashes, a collision occur when two different files have the same hash value. a. true b. false

a. true

In the United States, if a company publishes a policy stating that it reserves the right to inspect computing assets at will, a private-sector investigator can conduct covert surveillance on an employee with little cause. a. true b. false

a. true

You should videotape or sketch anything at a digital crime scene that might be of interest to the investigation. a. true b. false

a. true

Which of the following techniques might be used in covert surveillance (Choose All That Apply)? a. keylogging b. data sniffing c. network logs d. all of the above

a. keylogging and b. data sniffing

Private-sector investigations are typically easier than law enforcement investigations for which of the following reasons? a. most companies keep inventory databases of all hardware and software used b. the investigator doesn't have to get a warrant c. the investigator has to get a warrant d. users can load whatever they want on their machines

a. most companies keep inventory databases of all hardware and software used

An initial-response field kit does not contain evidence bags. a. true b. false

b. false

Small companies rarely need investigators. a. true b. false

b. false

The plain view doctrine in computer searches is well-established law. a. true b. false

b. false

You should always answer questions from onlookers at a crime scene. a. true b. false

b. false

You have been called to the scene of a fatal car crash where a laptop computer is still running. What type of field kit should you take with you? a. extensive response kit b. initial response kit c. lightweight kit d. car crash kit

b. initial response kit

What are the three rules for a forensic hash? a.Fast, reliable, and the hash value should be at least 2048 bits b. Produce collisions, should be at least 2048 bits, and it can't be predicted c. It can't be predicted, no two files can have the same hash value, and if the file changes, the hash value changes d. It can be predicted, fast and reliable

c. It can't be predicted, no two files can have the same hash value, and if the file changes, the hash value changes

When you arrive at the scene, why should you extract only those items you need to acquire evidence? a. to conceal trade secrets b. to preserver your physical security c. to speed up the acquisition process d. to minimize how much you have to keep track of at the scene

d. to minimize how much you have to keep track of at the scene