Disaster Recovery and Business Continuity

Question 1

Disaster Recovery

Answer 1

consists of an entity’s plans for restoring and continuing operations in the event of the destruction of program and data files, as well as processing capability

Question 2

Major Players in DR

Answer 2

organization
DR service provider
package vendors
hardware vendors
sr. mgmt support

Question 3

Steps in DR

Answer 3

1. assess the risks
2. identify mission-critical applications and data
3. develop a plan
4. determine the responsibilities of the personnel involved
5. test the disaster recovery plan

Question 4

Use of DR Service

Answer 4

contract with outside provider

ranging from an empty room to complete facilities across the country where end users can be located

Question 5

Internal DR

Answer 5

need instantaneous resumption of processing

provide their own duplicate locations

Data may be mirrored

processing can be switched almost instantaneously

Expensive

Question 6

Types of Backups

Answer 6

Full, Incremental, Differential

Question 7

Full Backup

Answer 7

exact copy of the entire database

Longest

Question 8

Incremental Backup

Answer 8

involves copying only the data items that have changed since the last backup

Shortest

Question 9

Differential Backup

Answer 9

copies all change made since the last backup

Middle

Question 10

Types of Off-Site Locations

Answer 10

Cold Site
Warm Site
Hot Site

Question 11

Cold Site

Answer 11

1-3 days

has all the electrical connections and other physical requirements for data processing, but it does not have the actual equipment

Cheapest form

Question 12

Hot Site

Answer 12

Few hours

equipped to take over the company’s data processing. Backup copies of essential data files and programs may also be maintained at the location or a nearby data storage facility.

Question 13

Warm Site

Answer 13

1/2 day to 1 day

facility that is already stocked with all the hardware that it takes to create a reasonable facsimile of the primary data center