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s: authentication, permission, integrity, encryption and undeniability. 1. Security mechanism 1) the first layer: infrastructure entity security, machine room security, site security, facility security, power system security, disaster prevention and recovery 2) the second layer: platform security operating system, network facilities, applications, security products 3) the third layer: data security media and carrier security, data access control, data integrity, data availabilityData monitoring and audit, data storage and backup

Battlefield: Bad Company is set in a fictional modern war between the United States and Russia. The game uses EA DICE's self-developed next-generation Frost engine, which has excellent graphics and supports large-scale destruction effects. Most buildings, objects and trees can be destroyed in the game. As a console game, the game also features a single-player storyline in which the player is not a serious war machine, but a soldier who often laughs and jokes and even breaks away from the organisation for money. Multiplayer is available for up to 24 players online, in both Gold Rush and the traditional Conquest modes. Battlefield: Renegade Company has enjoyed some success on console platforms, selling 1.6 million copies in a month.

the project implementation and control process is to obtain the implementation performance of the project and its baseline plan for comparison. (4 aspects from scope, quality, time and cost) 2) 3 important elements of the control process of the project: ① project performance tracking ② external change requests, change process: making requests, evaluating changes, implementing changes, verifying changes ③ change control, Change Control Board (CCB) is the management body for change control of the project. Chapter 20 Strategic Management Overview

and continuous improvement 3. Framework and basic principles of process reengineering KBSI's BPR implementation framework 2) multilayer BPR implementation framework 4. Business process reengineering implementation steps 1) BPR project startup 2) development of change plan 3) establishment of project team 4) analysis of target process 5) redesign of target process 6) implementation of new design 7) continuous improvement 8) restart Chapter 22 Knowledge Management 22.1 overview of knowledge management explicit knowledge

② relevance principle ③ orderliness principle ④ dynamic principle ⑤ optimization principle 3. Hall three-dimensional structure: the working process of system engineering is investigated from three aspects of logic, time and knowledge. 1) Three tools of logic dimension: logic reasoning, probability statistical reasoning and fuzzy mathematics 2) time dimension 3) knowledge dimension 4. The risk value (itemized risk) of the item can be obtained by multiplying the factor and the coefficient of the item in the project risk assessment