CET Confidentiality & Data Security 2

Question 1

Which encryption standard is most commonly recommended for securing sensitive data stored on electronic devices in the US?

Accepted Answer

AES-256

Answer

AES-256 (Advanced Encryption Standard with 256-bit keys) is the current US government-approved standard for protecting sensitive data at rest.

Question 2

A technician discovers a hard drive containing customer records while repairing a computer. The best course of action is to:

Accepted Answer

Avoid accessing personal data and inform the customer

Answer

Technicians must avoid accessing personal customer data and should inform the customer of its presence to maintain confidentiality.

Question 3

What is the primary purpose of a chain of custody document in electronics repair or forensics?

Accepted Answer

To document who handled evidence or devices and when

Answer

A chain of custody document records every person who handled a device or piece of evidence to maintain integrity and accountability.

Question 4

Which of the following is considered a 'data breach' under most US privacy regulations?

Accepted Answer

Unauthorized access to personally identifiable information (PII)

Answer

A data breach occurs when unauthorized parties gain access to personally identifiable information, triggering legal notification requirements.

Question 5

When disposing of a customer's old hard drive, which method ensures data is unrecoverable?

Accepted Answer

Physical destruction or DoD-standard overwriting (7-pass wipe)

Answer

Physical destruction or multi-pass overwriting per DoD 5220.22-M standard renders data unrecoverable, unlike simple deletion or formatting.

(CET) Certified Electronics Technician Practice Test