Planning for the worst

Question 1

The individual elements, objects, or parts of a system that would cause
the whole system to fail if they were to fail

Answer 1

Single Point of Failure

Question 2

An enclosure that provides two or more complete power supplies

Answer 2

Redundant Power Supply

Question 3

An unexpected increase in the amount of voltage provided

Answer 3

Surge

Question 4

A short transient in voltage that can be due to a short circuit, tripped
circuit breaker, power outage, or lightning strike

Answer 4

Spike

Question 5

An unexpected decrease in the amount of voltage provided

Answer 5

Sag

Question 6

Occurs when the voltage drops low enough that it typically causes the
lights to dim and can cause a computer to shut off

Answer 6

Brownout

Question 7

Occurs when there is a total loss of power for a prolonged period

Answer 7

Blackout

Question 8

Combines the functionality of a surge protector with that of a battery
backup

Answer 8

Uninterruptible Power Supply (UPS)

Question 9

An emergency power system used when there is an outage of the regular
electric grid power

Answer 9

Backup Generator

Question 10

Allows the combination of multiple physical hard disks into a single logical
hard disk drive that is recognized by the operating system

Answer 10

Redundant Array of Independent Disks (RAID)

Question 11

Provides data striping across multiple disks to increase performance

Answer 11

RAID 0

Question 12

Provides redundancy by mirroring the data identically on two hard disks

Answer 12

RAID 1

Question 13

Provides redundancy by striping data and parity data across the disk
drives

Answer 13

RAID 5

Question 14

Provides redundancy by striping and double parity data across the disk
drives

Answer 14

RAID 6

Question 15

Creates a striped RAID of two mirrored RAIDs (combines RAID 1 & RAID 0)

Answer 15

RAID 10

Question 16

Protects against the loss of the array’s data if a single disk fails (RAID 1 or
RAID 5)

Answer 16

Fault-Resistant RAID

Question 17

Protects against the loss of the array’s data if a single component fails
(RAID 1, RAID 5, RAID 6)

Answer 17

Faukt-Tolerant RAID

Question 18

Provides two independent zones with full access to the data (RAID 10)

Answer 18

Disaster tolerant RAID

Question 19

Two or more servers working together to perform a particular job
function

Answer 19

Cluster

Question 20

A secondary server can take over the function when the primary one fails

Answer 20

Failover Cluster

Question 21

Servers are clustered in order to share resources such as CPU, RAM, and
hard disks

Answer 21

Load Balancing Cluster

Question 22

A near duplicate of the original site of the organization that can be up
and running within minutes

Answer 22

Hot Site

Question 23

A site that has computers, phones, and servers but they might require
some configuration before users can start working

Answer 23

Warm Site

Question 24

A site that has tables, chairs, bathrooms, and possibly some technical
items like phones and network cabling

Answer 24

Cold Site

Question 25

All of the contents of a drive are backed up

Answer 25

Full Backup

Question 26

Only conducts a backup of the contents of a drive that have changed since the last full or incremental backup

Answer 26

Incremental Backup

Question 27

Only conducts a backup of the contents of a drive that has changed since the last full backup

Answer 27

Differential Backup

Question 28

Each tape is used once per day for two weeks and then the entire set is reused

Answer 28

10 Tape Rotation

Question 29

Three sets of backup tapes are defined as the son (daily), the father (weekly), and the grandfather (monthly)

Answer 29

Grandfather Father Son

Question 30

Three sets of backup tapes (like the grandfather-father-son) that are rotated in a more complex system

Answer 30

Towers of Hanoi

Question 31

Type of backup primarily used to capture the entire operating system image including all applications and data

Answer 31

Snapshot BAckup

Question 32

The development of an organized and in-depth plan for problems that could affect the access of data or the organization’s building

Answer 32

Disaster Recovery Planning

Question 33

A systematic activity that identifies organizational risks and determines their effect on ongoing, mission critical operations

Answer 33

Business Impact Analysis

Question 34

The longest period of time a business can be inoperable without causing irrevocable business failure

Answer 34

Maximum Tolerable Downtime (MTD)

Question 35

The length of time it takes after an event to resume normal business operations and activities

Answer 35

Recovery Time Objective (RTO)

Question 36

The length of time in addition to the RTO of individual systems to perform reintegration and testing of a restored or upgraded system following an event

Answer 36

Work Recovery Time (WRT)

Question 37

The longest period of time that an organization can tolerate lost data being unrecoverable

Answer 37

Recovery Point Objective (RPO)

Question 38

Measures the average time it takes to repair a network device when it breaks

Answer 38

Mean Time to Repair(MTTR)

Question 39

Measures the average time between failures of a device

Answer 39

Mean Time Between Failures(MTBF)