Detailed background on CISSP exam Domain 7, covering business continuity and disaster recovery. Disaster recovery focuses on how to survive a disaster and what to do right after a disaster.
Business continuity and disaster recovery planning: Management leadership, goals and requirements, business impact analysis, team building and implementation. Backup alternatives: Hardware and software approaches, collocation, electronic vaulting, offsite facilities requirements and types. Recovery and testing: Strategies for executing recovery, carrying out drills and types of plan testing.
Business continuity and disaster recovery planning It's critical that companies understand the degree of potential damage and revenue losses that different types of business interruptions can cause.
The main goals of a business continuity plan are to improve responsiveness by the employees in different situations, ease confusion by providing written procedures and participation in drills and help ensure logical decisions are made during a crisis. The necessary software -- the operating systems, programs and utilities used during regular business -- must also be backed up regularly to the offsite facility. Too often our attention is only on backing up data and technology, and we over look people and the necessary skill set to continue the operation of the company. Recovery and testing After a disaster, there are usually two teams assembled -- the salvage team that assesses damage and works to bring the primary facility back on-line, and the recovery team that coordinates bringing up the alternative site.
Emergency response Finally, emergency response drills are necessary not only to minimize asset damage and preserve life, but to reduce the chance of fraud, theft and vandalism since the security mechanisms usually in place may be completely disabled.
Today, approximately 65% of companies could not stay in business if they had to be closed for a week or longer.
These plans are usually technology-oriented and focus on getting the network and systems up and running as quickly as possible.
Qualitative and quantitative impact information should be gathered and then properly analyzed and interpreted. If the employees know where to go when the all-hands-on-deck alarm is called, and are familiar with what tasks are expected of them and how to perform these tasks, then the people in position to make decisions on how to properly deal with the event can do so in a calmer and more controlled manner.


Although access to up-to-date data is critically important to disaster recovery, it's not the only thing that must be backed up.
A hot site is a geographically remote facility that is fully equipped and ready to power up at a moments notice. If a program is built for a particular version of an operating system, it will not run if the wrong version of the operating system is installed at the offsite facility. There are different reasons why the current employees may not be available after a disaster, including death, injury, or family responsibilities. If you reside outside of the United States, you consent to having your personal data transferred to and processed in the United States. It's estimated that less than 5% of companies are truly prepared to endure and survive a disaster. Business continuity deals with keeping a company and business after a disaster has been experienced and takes a lot more into account than just technology.
Almost every type of business interruption causes some direct or indirect affect on the productivity of a company, thus its revenue stream. If data is formatted to a particular version of a spreadsheet program, and that version is not also updated to the backup facility, it's possible that the necessary data will not be available in the time of need. The business continuity committee must identify the necessary skill set for each critical task and come up with back up solutions as in using temp agencies or cross training individuals. These can range from troubleshooting the plan by simply walking through the documents detailing the sequence of events, to actually rehearsing the plan up to the point of actual data or resource recovery at the main site. More and more companies are developing business continuity into their environment because of the raised awareness of tragic possibilities, but also because of new regulatory requirements that infer executive management obligations for fiscal responsibility.
It's prudent to identify the large and small issues that can negatively affect a company and identify backup alternatives before experiencing them.
The business case can include current vulnerabilities, regulatory and legal obligations, current status of recovery plans and recommendations. You would need to replace all computer resources, networking -- maybe even people -- as well as find a new site to get your business running again.


Less expensive still, is a cold site, which provides only the basic environment that can be outfitted with communication components and computers, though this may take from one to several weeks. A CISSP candidate must know the difference between, checklist, structured walk-through, simulation, parallel and full-interrupt tests.
Companies unable to support the ongoing service fees required for these options sometimes make arrangements with compatible companies who will host each other's employees and business functions in the event of a disaster. A single console can drive all of the backup devices on 1 or several sites.D2D2T (Disk To Disk To Tape) technology is used to raise the level of performance of backup and restoration devices. The decision of how a company should plan to recover is purely a business decision and should be treated as such.
How to choose a backup facility site is covered in this section, and different approaches to data backup are detailed. This is by far the least expensive, but is also the most risky since few companies maintain the extra capacity and equipment that would be suitable to host another company's business processes. While NEC recommends fault tolerant solutions for local resilience in order to avoid switching of applications and processes for a simple hardware fault, NEC recommends the implementation of an inter-site DRP in order to protect oneself from threats to the main site.NEC solutions are based around Cluster solutions (ExpressCluster, Double-Take) ) which can replicate data from an asynchronous system through a WAN and switch from one site to another in case of damage to the main site. In the virtual business environment, different solutions will be recommended according to expressed needs, and of course including solutions such as VMWare HA.A constantly available virtualized infrastructure!When virtualization is at the heart of infrastructure projects, risks linked with virtualized system downtime become a major issue for virtualization.
To opt for an NEC Fault tolerant server with an exchange 2007 messaging service, is to opt for performance, efficiency and piece of mind with no threats of unplanned downtime.Vertical ApproachVertical ApproachThe demand for high availability and continuous IT system availability is directly linked to the activities of the business.
They are based on multi-site organizations or on mobile employees and the co-ordination and processes which are at the heart of the business. But quality of service is a central feature for production managers who are committed to a level of availability ( SLA: Service Level Agreement).



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