Backup, Recovery, And Saftey Flashcards

1
Q

Full backup

A

Backup everything

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Incremental backup

A

Only the files that changed since the last backup
Quick and low storage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Differential backup

A

Everything that has changed since the last FULL BACKUP
Medium space and time

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Synthetic backup

A

Initial full backup combined with 6 incremental backups to form a new full backup

Faster / can be done offline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Archive attribute

A

Flags are set on anytime you modify a file so the system knows what’s changed since the last backup

Incremental and full backups reset the flag, differential won’t.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Grandfather father son (GFS)

A

Example:
7 daily backup (son) reuse each week
5 weekly backups (father)
12 monthly backup (grandfather)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

3-2-1 backup rule

A

3 copy’s of data
2 different media types
1 copy offline and off site

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Backup testing

A

At least once a month

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Power surge

A

Increase in the voltage being provided
(Small increase)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Power spike 4 causes

A

Large voltage increase:

Short circuit
Tripped breaker
Power outage
Lightning

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Power sag

A

Opposite of a surge

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Power brownout

A

Lights dim and computer may shut off

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Blackout

A

Long term power loss

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Uninterruptible power supply (UPS)

A

Combines surge protector with a backup battery

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Backup generators 3 types

A

Portable gas
Permanently installed
Battery inverter 

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Humidity level

A

40% - 60%

17
Q

Material safety data sheet (MSDS)

A

Ingredients, health hazards, precautions, and first aid information