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Chapter 3: Domain 2: Asset Security
- What type of memory is used often for CPU registers?
A. DRAM
B. Firmware
C. ROM
D. SRAM
Correct Answer and Explanation: D. Answer D is correct; SRAM (Static Random Access Memory) is fast and expensive, often used for cache memory including CPU registers.
Incorrect Answers and Explanations: A, B, and C. Answers A, B, and C are incorrect. DRAM is slower and less expensive than SRAM, often used as main RAM. Firmware is a technology used by PLDs such as EEPROMs. Read-Only Memory is a type of Firmware, providing non-volatile memory for uses such as the BIOS.
- What type of firmware is erased via ultraviolet light?
A. EPROM
B. EEPROM
C. Flash memory
D. PROM
Correct Answer and Explanation: A. Answer A is correct; EPROM (Erasable Programmable Read Only Memory) is erased by exposure to ultraviolet light.
Incorrect Answers and Explanations: B, C, and D. Answers B, C, and D are incorrect. EEPROMs (Electrically Erasable Programmable Read Only Memory) are erased electronically, via flashing programs. Flash drives are a type of EEPROM, also erased electronically. PROM (Programmable Read Only Memory) cannot be erased.
- What describes the process of determining which portions of a standard will be employed by an organization?
A. Baselines
B. Policies
C. Scoping
D. Tailoring
Correct Answer and Explanation: C. Answer C is correct; scoping is the process of determining which portions of a standard will be employed by an organization.
Incorrect Answers and Explanations: A, B, and D. Answers A, B, and D are incorrect. Baselines are uniform ways to implement a safeguard, administrative control. Policies are high-level management directives. Tailoring is the process of customizing a standard for an organization.
- What term means that a vendor no longer sells a product?
A. End-of-Support (EoS)
B. Legacy
C. End-of-Life (EoL)
D. End-of-Support-Life (EoSL)
Correct Answer and Explanation: C. Answer C is correct; End-of-Life means the vendor no longer sells a product but will typically still support it for a period of time.
Incorrect Answers and Explanations: B, C, and D. Answers A, B and D are incorrect. End-of-Support (also called End-of-Service-Life) means the vendor no longer supports the product. Legacy is a general term for unsupported equipment.
- What was ISO 17799 renamed as?
A. BS 7799-1
B. ISO 27000
C. ISO 27001
D. ISO 27002
Correct Answer and Explanation: D. Answer D is correct; ISO 17799 was renamed as ISO 27002.
Incorrect Answers and Explanations: A, B, and C. Answers A, B, and C are incorrect. BS 7799-1 was the precursor to ISO 17799. ISO 27000 is a series of information security standards documents. ISO 27002 is another ISO 27000-series document designed to support auditing.