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Information Systems Operations and Maintenance > Chapter 7: Data Backup, Storage, Restoration > Flashcards

Chapter 7: Data Backup, Storage, Restoration Flashcards

1
Q

Because data are _______ to any organization, ___ ,
___ and ___ are key considerations for the
enterprise.

A

Key assets, data backup, storage and potential restoration

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2
Q

What may impact how an enterprise can
handle this data and should be considered in developing methods for data handling?

A

Laws and regulations

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3
Q

What is the most common, and basic way to protect data against disk failure?

A

Redundant Array of Independent Disks

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4
Q

What is the alternative name to raid?

A

Redundant Array of Inexpensive Disks

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5
Q

What is the main function of RAID in data?

A

To protect against a single point of failure

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6
Q

What are the 2 main functions of RAID?

A
  1. Fault tolerant capabilities
  2. Performance Improvement
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7
Q

T or F: RAID is limited to hardware solutions only

A

False. Hardware and Software

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8
Q

T or F: Low-level configurations of RAID are still acceptable because high-level ones are very expensive

A

False. Many vendors already offer storage arrays and therefore removes the need for low level configurations

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9
Q

T or False: Even though third party storage arrays are offered IT Staff still needs to understand the implications of different raid configurations

A

True

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10
Q

Storage arrays are used to protect data against?

A

Site failure, application downtime

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11
Q

How does storage arrays protect data against site failure and ensure successful application recovery?

A

data replication

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12
Q

Data replication can be what type of connection

A

Synchronous, asynchronous, adaptive

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13
Q

What differentiates synchronous from the other connection types?

A

Synchronous connections require a confirmation before local disk write

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14
Q

What differentiates asynchronous connections with other connections

A

Data is replicated on a scheduled basis

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15
Q

What differentiates adaptive from other connection types

A

It can be synchronous or asynchronous depending on the network load

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16
Q

What is the main determinant of connection type to be used

A

Latency and Network Bandwidth

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17
Q

What are the 3 different types of secondary storage media?

A

Removable media, mirrored disks, network storage

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18
Q

Typically, the removable media are recorded in one facility and stored in a single remote physical facility (T or F)

A

False. It can be more than one remote facility

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19
Q

The remote physical facilities are called?

A

Off-site Libraries

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20
Q

What is the basis for determining the number and locations of the off-site libraries?

A

The availability of use and perceived interruption risk

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21
Q

Backup and Restoration - Offsite Library Controls: _______ to library contents , ensuring that only ___ ___ have access

A

Secure physical access;Authorized personnel

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22
Q

Backup and Restoration - Offsite Library Controls: ___ back up media when ___

A

Encrypt;In transit

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23
Q

Backup and Restoration - Offsite Library Controls: Ensure that ___ ___ can withstand _ _ _

A

Physical construction; fire, heat, and water

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24
Q

Backup and Restoration - Offsite Library Controls: The library should be near the data center for faster data replication (T or F)

A

False. Libraries should be away from the data center so that it will not be subject to the same disaster that is affecting the data center

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25
Q

Backup and Restoration - Offsite Library Controls: Which are the two controls that are needed for the storage media and files?

A

Ensure that there is an inventory of them and retained for a specified retention time, there is a log of all storage media and files moving in and out of the library

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26
Q

Backup and Restoration - Offsite Library Controls: Ensure that a ___ of information regarding the ___ and ____ of data files is maintained and protecting this against ___ ___

A

Catalog; version; locations; unauthorized disclosure

27
Q

The IPF may received lesser security than the original site (T or F)

A

False. Same level of security

28
Q

The IPF may received lesser security than the original site (T or F)

A

False. Same level of security

29
Q

The off-site facility must not be easily identified from the outside (T or F)

A

True

30
Q

What is a crucial element of a Disaster Recovery Plan (on or offsite)?

A

Availability of adequate data

31
Q

Are paper records included in the things needed to be available in off-site facilities?

A

Yes

32
Q

Types of Backup Devices and Media: What are the four considerations?

A

Standardization, Capacity, speed, and price

33
Q

Types of Backup Devices and Media: specific technologies affects what?

A

Costs because it increases it through support payment

34
Q

Types of Backup Devices and Media: Why do back up media need to have sufficient capacity?

A

To reduce the number of media to be purchased for a back up set

35
Q

Types of Backup Devices and Media: according to the element of price, what must also be noted?

A

Media prices, not only back up device costs

36
Q

Types of Backup Devices and Media: What type of media is used for small amounts and few changes?

A

Removable media

37
Q

Types of Backup Devices and Media: What examples of removable media can be used for small amounts and few changes

A

CDs, DVDs,HDD,SSD

38
Q

Types of Backup Devices and Media: What examples of removable media are used for large amounts, frequent changes?

A

Tape-based backup systems, digital audio tape

39
Q

Types of Backup Devices and Media: What examples of non removable media is used for large amounts, frequent changes

A

Disk based backup, disk snapshots

40
Q

Periodic Backup Procedures: Backup procedures should be done periodically in accordance with what?

A

The Recovery Point Objective

41
Q

Periodic Backup Procedures: The RPO is constant with all programs and applications (T or F)

A

False. It may differ

41
Q

Periodic Backup Procedures: Periodic backups can be accomplished automatically through?

A

Media management systems or job scheduling software

42
Q

Periodic Backup Procedures: What does automation of back up procedure prevent?

A

Missed backup cycles due to Operator error

43
Q

Frequency of Rotation: The frequency of __ ____ and __ __ ___ generations must be determined for ___ application

A

Backup cycles, depth of retention, each

44
Q

Frequency of Rotation: The backup procedures must anticipate what?

A

That failure can happen at any step

45
Q

Frequency of Rotation: what should be retained at appropriate intervals?

A

Master files

46
Q

Frequency of Rotation: what is the purpose of the master file?

A

To provide synchronization between files and systems

47
Q

Frequency of Rotation: transaction files should be able to do what?

A

When compiled, be able to update the past master file to recreate the current master file

48
Q

Frequency of Rotation: DBMS require what?

A

Specialized backup

49
Q

Frequency of Rotation: What is needed with regards to software use in an alternate site

A

The license to use

50
Q

Frequency of Rotation: Backup for custom built software include?

A

Source code, object code, and provisions for maintaining program patches at all back up locations

51
Q

Frequency of Rotation: _____ must be compatible with backup media

A

Back up hardware

52
Q

Frequency of Rotation: What must be secured with regards to backup hardware? Why?

A

maintenance agreements to ensure that the hardware will work properly when the time comes

53
Q

Type of Media and Documentation Rotated: Determine what classification the examples pertain to - application run books, job stream control instructions, OS manuals and special procedures

A

Operating procedures

54
Q

Type of Media and Documentation Rotated: Determine what classification the examples pertain to - Flow charts, programs source code listings, program logic descriptions, statements, error conditions, and user manuals

A

System and Program Documentation

55
Q

Type of Media and Documentation Rotated: Determine what classification the examples pertain to - exception processing, variations

A

special procedures

56
Q

Type of Media and Documentation Rotated: Determine what classification the examples pertain to - duplicate copies, microfiche, audits, analysis

A

Inpute source documents, output documents

57
Q

Type of Media and Documentation Rotated: Determine what classification the examples pertain to - a copy for the correct plan

A

Business continuity plan

58
Q

What container should the magnetic media be contained in?

A

Fire resistant magnetic media

59
Q

Every organization should have a written policy to govern what?

A

What is stored and how long to retain it

60
Q

Backup Schemes: this type of backup scheme copies all files and folders to the backup media, creating one backup set

A

Full backup

61
Q

Backup Schemes: only copies the changes that occured from within a time period

A

Incremental backup

62
Q

Backup Schemes: What are the cons of incremental backup

A

Requires all backup sets to restore all changes

63
Q

Backup Schemes: backs up all changes that happened after a FULL backup

A

Differential Backup

Information Systems Operations and Maintenance (6 decks)

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