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Security+ > Planning for the worst > Flashcards

Planning for the worst Flashcards

1
Q

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

A

Single Point of Failure

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2
Q

An enclosure that provides two or more complete power supplies

A

Redundant Power Supply

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3
Q

An unexpected increase in the amount of voltage provided

A

Surge

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4
Q

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

A

Spike

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5
Q

An unexpected decrease in the amount of voltage provided

A

Sag

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6
Q

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

A

Brownout

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7
Q

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

A

Blackout

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8
Q

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

A

Uninterruptible Power Supply (UPS)

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9
Q

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

A

Backup Generator

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10
Q

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

A

Redundant Array of Independent Disks (RAID)

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11
Q

Provides data striping across multiple disks to increase performance

A

RAID 0

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12
Q

Provides redundancy by mirroring the data identically on two hard disks

A

RAID 1

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13
Q

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

A

RAID 5

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14
Q

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

A

RAID 6

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15
Q

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

A

RAID 10

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16
Q

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

A

Fault-Resistant RAID

17
Q

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

A

Faukt-Tolerant RAID

18
Q

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

A

Disaster tolerant RAID

19
Q

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

A

Cluster

20
Q

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

A

Failover Cluster

21
Q

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

A

Load Balancing Cluster

22
Q

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

A

Hot Site

23
Q

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

A

Warm Site

24
Q

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

A

Cold Site

25
Q

All of the contents of a drive are backed up

A

Full Backup

26
Q

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

A

Incremental Backup

27
Q

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

A

Differential Backup

28
Q

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

A

10 Tape Rotation

29
Q

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

A

Grandfather Father Son

30
Q

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

A

Towers of Hanoi

31
Q

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

A

Snapshot BAckup

32
Q

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

A

Disaster Recovery Planning

33
Q

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

A

Business Impact Analysis

34
Q

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

A

Maximum Tolerable Downtime (MTD)

35
Q

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

A

Recovery Time Objective (RTO)

36
Q

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

A

Work Recovery Time (WRT)

37
Q

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

A

Recovery Point Objective (RPO)

38
Q

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

A

Mean Time to Repair(MTTR)

39
Q

Measures the average time between failures of a device

A

Mean Time Between Failures(MTBF)

Security+ (41 decks)

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