3.12. Identifying the Purpose and Characteristics of Disaster Recovery
Whereas fault tolerance can be defined as the capability of losing a network component without losing data and or functionality, disaster recovery is the process of rebuilding the network after having lost functionality or data. In fact, the definition of "disaster" to a network administrator is any event that could cause a loss of data or functionality in the network. A disaster could therefore be a natural disaster such as a tornado or an earthquake, or it could be simply a mistake that causes a loss of functionality or data. In this section, we discuss the elements involved in disaster recovery.
3.12.1. Critical Information
You should be able to identify the purpose and ...
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