CHAPTER SUMMARY

This chapter covered important elements of risk mitigation with a disaster recovery plan. It defined a DRP, including its purpose. Several factors are critical to the success of a DRP. Management must provide both resources and leadership. DRP developers need to understand disaster recovery concepts and how an organization operates. The DRP must address several primary concerns. The RTOs identify the time by which a CBF must be returned to operation. When necessary, CBFs can be moved to alternate locations. A hot site can be used within minutes or hours but is the most expensive to implement. A cold site is simply a building with electricity, water, and other facility support. It’s the least expensive but the most difficult to test. A warm site is a compromise between the two. A mobile site is a site that can be set up close to an impacted facility. Another critical success factor is a budget. DRPs must have funding to succeed.

DRPs can include different elements. Starting with purpose and scope statements is common to ensure they are clear to all parties. Identifying the scope helps prevent scope creep. DRPs will include specific steps and procedures. When the disaster strikes, use the steps and procedures in the DRP to recover the systems. DRPs should be tested to verify they work as planned, and they need to be updated periodically and in response to changes.

KEY CONCEPTS AND TERMS

Business continuity plans (BCP)

Business impact analysis (BIA)

Cloud computing

Cold site

Critical success factor (CSF)

Disaster recovery plan (DRP)

Hot site

Maximum acceptable outage (MAO)

Minimum business continuity objective (MBCO)

Mobile site

Recovery time objective (RTO)

Virtualization

Warm site

CHAPTER 14 ASSESSMENT

  1. A(n) ________ is a plan used to restore critical business functions to operation after a disruption or disaster.
  2. A DRP has multiple purposes, which include saving lives, ensuring business continuity, and recovering after a disaster.
    1. True
    2. False
  3. Disaster recovery and fault tolerance are the same thing.
    1. True
    2. False
  4. A(n) ________ is an element necessary for success. For example, the success of a DRP depends on elements such as management support and a disaster recovery budget.
  5. A business impact analysis (BIA) includes a maximum acceptable outage (MAO). The MAO is used to determine the amount of time in which a system must be recovered. What term is used in the DRP instead of the MAO?
    1. Critical business function (CBF)
    2. DRP action item (DRPAI)
    3. Recovery action item (RAI)
    4. Recovery time objective (RTO)
  6. A certain DRP covers a system that hosts a large database. To ensure that the data is copied to an off-site location, what could be used?
    1. Data replication
    2. Electronic vaulting
    3. Remote journaling
    4. All of the above
  7. A copy of backups should be stored ________ to ensure the organization can survive a catastrophic disaster to the primary location.
  8. An alternate location is being considered for a DRP, and the costs need to be minimized. What type of site would be chosen?
    1. Cold site
    2. Warm site
    3. Hot site
    4. Mobile site
  9. An alternate location is being considered for a DRP, and it must be brought online as quickly as possible. What type of site would be chosen?
    1. Cold site
    2. Warm site
    3. Hot site
    4. DRP site
  10. An alternate location is being considered for a DRP, and it needs to be a business location that is already running noncritical business functions. This location has most of the equipment needed. What type of site is this?
    1. Cold site
    2. Warm site
    3. Hot site
    4. DRP site
  11. Which of the following elements are commonly included in a DRP?
    1. BCP, BIA, communications, and recovery procedures
    2. BCP, backup plans, and recovery procedures
    3. Purpose, scope, communications, and recovery procedures
    4. Purpose, scope, CIRT activation, and recovery procedures
  12. A hot site is being considered as an alternate location. Various technologies are also being considered to keep the data updated and decrease the time that will be necessary for the hot site to become operational. What are some technologies that may help?
    1. Data replication
    2. Cloud computing
    3. Virtualization
    4. All of the above
    5. A and B only
  13. Of the following, what is critical for any DRP?
    1. Third-party backup software
    2. Budget
    3. Alternate locations
    4. Fuel for generators
  14. An organization has created a DRP, but it hasn’t been tested. Which of the following methods can be used to test it?
    1. Desktop testing
    2. Simulation testing
    3. Full-blown DRP testing
    4. All of the above
  15. Once a DRP has been created, it doesn’t need to be updated.
    1. True
    2. False
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