Backup, Recovery, And Saftey

Question 1

Full backup

Answer 1

Backup everything

Question 2

Incremental backup

Answer 2

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

Question 3

Differential backup

Answer 3

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

Question 4

Synthetic backup

Answer 4

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

Faster / can be done offline

Question 5

Archive attribute

Answer 5

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.

Question 6

Grandfather father son (GFS)

Answer 6

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

Question 7

3-2-1 backup rule

Answer 7

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

Question 8

Backup testing

Answer 8

At least once a month

Question 9

Power surge

Answer 9

Increase in the voltage being provided
(Small increase)

Question 10

Power spike 4 causes

Answer 10

Large voltage increase:

Short circuit
Tripped breaker
Power outage
Lightning

Question 11

Power sag

Answer 11

Opposite of a surge

Question 12

Power brownout

Answer 12

Lights dim and computer may shut off

Question 13

Blackout

Answer 13

Long term power loss

Question 14

Uninterruptible power supply (UPS)

Answer 14

Combines surge protector with a backup battery

Question 15

Backup generators 3 types

Answer 15

Portable gas
Permanently installed
Battery inverter 

Question 16

Humidity level

Answer 16

40% - 60%

Question 17

Material safety data sheet (MSDS)

Answer 17

Ingredients, health hazards, precautions, and first aid information