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Logical Asset Security

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This chapter is from the book

This chapter is from the book

Answers to Exam Prep Questions

  1. D. The military data classification system is widely used within the Department of Defense. This system has five levels of classification: unclassified, sensitive, confidential, secret, and top secret. Each level represents an increasing level of sensitivity.

  2. B. ISO 9001 describes how production processes are to be managed and reviewed. It is not a standard of quality; it is about how well a system or process is documented. Answers A, C, and D are incorrect: ISO 27001 describes requirements on how to establish, implement, operate, monitor, review, and maintain an information security management system; ISO 27002 is considered a code of practice that describes ways to develop a security program within the organization; ISO 17799 provides best practice guidance on information security management.

  3. C. Restricting removable media may have helped prevent infection from malware that is known to spread via thumb drive or removable media. Answer A is incorrect because encryption of media would not have helped. Answer B is incorrect because edge devices were not specifically targeted. Answer D is incorrect because enforcing application whitelisting would not have prevented advanced persistent threats from executing on local systems.

  4. D. The proper order is to determine the asset value, then SLE, ARO, and ALE. Answers A, B, and C are incorrect; they are not in the proper order.

  5. A. Qualitative assessment is scenario-driven and does not attempt to assign dollar values to components of the risk analysis. Quantitative assessment is based on dollar amounts; both numeric mitigation and red team are distractors.

  6. C. Technical controls can be hardware or software. They are the logical mechanisms used to control access and authenticate users, identify unusual activity, and restrict unauthorized access. Clerical is a nonexistent category and all other answers are incorrect: administrative controls are procedural and physical controls include locks, guards, gates, and alarms.

  7. B. Self-encrypting hard drives offer many advantages, such as easing compliance issues with items like PII. They are easy to use and offer strong encryption. Answer B is correct because SEDs do not slow down performance; they are actually integrated into the hardware and operate at full performance with no impact on user productivity.

  8. B. Confidential is the top level of data classification for commercial business classification. Answers A, C, and D are incorrect because secret and top secret are both part of the military classification, while private is a lower level of commercial business classification.

  9. A. A procedure is a detailed, in-depth, step-by-step document that lays out exactly what is to be done. It’s tied to specific technologies and devices. Standards are tactical documents; policies are high-level documents; and baselines are minimum levels of security that a system, network, or device must adhere to.

  10. C. Senior management is the ultimate owner because these individuals are responsible for the asset and must answer if data is compromised. Although answer C is the best possible choice, it is important to realize that, in most cases, the data owner will be a member of management but might not be the most senior executive within the organization. For example, the CFO would be the data owner for all financial data, the director of human resources would be the data owner for all HR data, and so on. All other answers are incorrect because end users, technical managers, and other employees are not typically the data owners.

  11. D. A trademark is a symbol, word, name, sound, or thing that identifies the origin of a product or service in a particular trade. Answers A, B, and C are incorrect as they do not properly describe a trademark.

  12. A. Data mining. It is the process of analyzing data to find and understand patterns and relationships about the data. Answers B, C, and D are incorrect. Knowledge management seeks to make intelligent use of all the knowledge in an organization. A data warehouse is a database that contains data from many different databases. Data standards provide consistent meaning to data shared among different information systems.

  13. C. ISO 27004 is the standard for security management. ISO 27001 is focused on requirements. ISO 27002 was developed from BS 7799, and ISO 27799 is focused on health.

  14. D. Fiber Channel over Ethernet (FCoE) can operate at speeds of 10 GB per second and rides on top of the Ethernet protocol. While it is fast, it has a disadvantage in that it is non-routable. Answers A, B, and C are incorrect. SCSI is used for local devices only. iSCSI is a SAN standard used for connecting data storage facilities and allowing remote SCSI devices to communicate. HBAs are used to connect a host system to an enterprise storage device.

  15. A. Some day-to-day responsibility may be passed down to the custodian; however, ultimately the owner is responsible.

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