Week Sixteen - Security+ Guide to Network Security...

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Security+ Guide to Network Security Fundamentals, Third Edition Chapter 13 Business Continuity
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Security+ Guide to Network Security Fundamentals, Third Edition Objectives Define environmental controls Describe the components of redundancy planning List disaster recovery procedures Describe incident response procedures 2
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Security+ Guide to Network Security Fundamentals, Third Edition Environmental Controls Preventing disruptions or even attacks through environmental controls involves using fire suppression, proper shielding, and configuring HVAC systems 3
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Security+ Guide to Network Security Fundamentals, Third Edition Fire Suppression Damage inflicted as a result of a fire continues to remain high Fire suppression is an important concern for the safety of employees and business continuity In order for a fire to occur, four entities must be present at the same time: – A type of fuel or combustible material – Sufficient oxygen to sustain the combustion – Enough heat to raise the material to its ignition temperature – A chemical reaction that is the fire itself 4
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Security+ Guide to Network Security Fundamentals, Third Edition Fire Suppression (continued) It is important to use the correct fire suppression system – Not only to extinguish the fire but also minimize any residual damage Fires are divided into five categories – See Table 13-2 5
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Security+ Guide to Network Security Fundamentals, Third Edition 6
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Security+ Guide to Network Security Fundamentals, Third Edition Fire Suppression (continued) In a server closet or room that contains computer equipment – Using a handheld fire extinguisher is not recommended because the chemical contents can contaminate electrical equipment Instead, stationary fire suppression systems should be: – Integrated into the building’s infrastructure – Release the suppressant in the room 7
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Security+ Guide to Network Security Fundamentals, Third Edition HVAC Heating, ventilation, and air conditioning (HVAC) systems – Provide and regulate heating and cooling for data centers Controlling environmental factors can reduce electrostatic discharge (ESD) – The sudden flow of electric current between two objects, which can destroy electronic equipment Another consideration regarding HVAC is the location of computer equipment outside of the data center 8
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Security+ Guide to Network Security Fundamentals, Third Edition Redundancy Planning One of the primary ways to ensure business continuity is to use redundancy planning – Which involves building excess capacity in order to protect against failures Redundancy planning can involve redundancy for servers, storage, networks, power, and even sites 9
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Security+ Guide to Network Security Fundamentals, Third Edition Servers A crash of a single server that supports a critical application can have a significant impact Single point of failure – The loss of one entity would adversely affect the
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This note was uploaded on 04/05/2011 for the course CINT 251 taught by Professor Endris during the Spring '11 term at Ivy Tech Community College.

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Week Sixteen - Security+ Guide to Network Security...

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