tailieunhanh - The CISSP Prep Guide Gold Edition phần 6

2. Không bình thường hóa dữ liệu trong một kho dữ liệu có nghĩa là? a. Dữ liệu dư thừa được lấy ra. b. Dữ liệu số được chia bởi một yếu tố chung. c. Dữ liệu được chuyển đổi sang một đại diện tượng trưng. d. Dữ liệu được giới hạn trong một loạt các giá trị. 3. Một mạng lưới thần kinh là gì? a. Một hệ thống phần cứng | Physical Security 461 vulnerability is low or nonexistent a tsunami in Ohio for example all possible threats must be compiled and examined. Many assessment methods SSE-CMM or IAM have the practitioner compile these complete lists before making a determination as to their likelihood. The triad of Confidentiality Availability and Integrity is at risk in the physical environment and must be protected. Examples of risks to . include the following Interruptions in providing computer services availability Physical damage Availability Unauthorized disclosure of information Confidentiality Loss of control over system Integrity Physical theft Confidentiality Integrity and Availability Examples of threats to physical security are as follows Emergencies Fire and smoke contaminants Building collapse or explosion Utility loss electrical power air conditioning heating Water damage pipe breakage Toxic materials release Natural disasters Earth movement such as earthquakes and mudslides Storm damage such as snow ice and floods Human intervention Sabotage Vandalism War Strikes Dorm B. Parker in his book Fighting Computer Crime Wiley 1998 has compiled a very comprehensive list that he calls the seven major sources of physical loss with examples provided for each 1. Temperature. Extreme variations of heat or cold such as sunlight fire freezing and heat 2. Gases. War gases commercial vapors humidity dry air and suspended particles are included. Examples of these would be Sarin nerve gas PCP from exploding transformers air conditioning failures smoke smog cleaning fluid fuel vapors and paper particles from printers. 462 The CISSP Prep Guide Gold Edition 3. Liquids. Water and chemicals are included. Examples of these are floods plumbing failures precipitation fuel leaks spilled drinks acid and base chemicals used for cleaning and computer printer fluids. 4. Organisms. Viruses bacteria people animals and insects are included. Examples of these are sickness of key workers molds .