DISASTER RECOVERY AND BUSINESS CONTINUITY Flashcards Preview

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Flashcards in DISASTER RECOVERY AND BUSINESS CONTINUITY Deck (20)
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1
Q

Requirements of a good plan

A

A plan should allow the firm to:

Minimize the extent of disruption, damage and loss

Establish and alternate method for processing of
information

Resume normal operations quickly

Train and familiarize personnel to perform emergency operations

A plan should include:

Priorities - most critical
Insurance
Backup approaches
      - batch system
      - online database and master file systems
Specific assignments in case of disaster
Periodic testing and updating of the plan
Documentation of the plan
2
Q

Batch system

A

Grandfather-father-son method

3
Q

Online databases and master file systems

A
Checkpoint
Rollback
Back up facilities
      Reciprocal agreement
      Hot site
      Cold site
      Internal site
      Mirrored web server
4
Q

Checkpoint

A

similar to grandfather-father-son
checkpoints the system
makes a copy of the database at checkpoint date
checkpoint file is stored on a separate disk or tape

if problem occurs, the last checkpoint updated will be used to restart the system and updated with subsequent transactions

5
Q

Rollblack

A

undo the changes made to a database to a point at which it was functioning properly

6
Q

Backup facilities

A
reciprocal agreement
hot site
cold site
internal site
mirrored web server
7
Q

Reciprocal agreement / Mutual aid pact

A

agrement between to organizations
with compatible computer facilities
to aid each other with their data processing
in the event of a disaster

8
Q

Hot site

ROC recovery operations center Approach

A

a commercial disaster recovery service
that allows a business to continue operations
in the event of a disaster
the hot site has all the computer equipments needed

9
Q

Cold site / Empty shell approach

A

similar to hot site
customer provides and installs all the equipments needed
less expensive
takes longer to start operating

10
Q

Internal site

A

use company’s own site for backup in the event of disaster

11
Q

Mirror web server

A

exact copy of the website

best way to back up

12
Q

Specific assignments

A
arranging for new facilities
computer operations
installing software
establishing data communication facilities
recovering vital records
arranging for forms and supplies
13
Q

Flowcharting

A

procedure to graphically show
the sequential flow of data and operation

document preparation
authorization
storage
decision making

14
Q

Types of flowchart

A
system flowchart
program flowchart
internal control (audit) flowchart or document flowchart
15
Q

System flowchart

A

graphic representation of
data processing application
that depicts the interaction of
all computer programs in a system

16
Q

Program flowchart

A

graphic representation of the logic (processing steps) of a computer program

17
Q
Internal control (audit) flowchart
Document flowchart
A

graphic representation of the
flow of documents from one department to another
showing the source flow and the
final disposition of the various copies of all documents

18
Q

Documentation charting techniques

A

Decision table

Data flow diagram

19
Q

Decision table

A

uses a matrix format
that lists sets of conditions
and the actions that result from
various combinations of these conditions

20
Q

DFD Data flow diagram

A

presents logical flow of data and functions in a system