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C178 - Security+ SYO-601 > Section 28: Planning for the Worst > Flashcards

Section 28: Planning for the Worst Flashcards

1
Q

Redundancy

A

It’s basically having a backup, just in case something goes bad

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2
Q

Single Point of Failure

A

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

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3
Q

Redundant Power Supply

A

Two or more supplies in a server or computer

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4
Q

Surge

A

An unexpected increase in the amount of voltage provided

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5
Q

Spike

A

A short transient in voltage that can be due to a short circuit, tripped circuit breaker, etc.

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6
Q

Sag

A

An unexpected decrease in the amount of voltage provided

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7
Q

Brownout

A

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

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8
Q

Blackout

A

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

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9
Q

UPS

A

Combines the functionality of surge protector with that of a battery backup (usually won’t last much more than 15-30 minutes)

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10
Q

Backup Generator

A

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

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11
Q

Gas generator

A

Noisy and is the cheapest solution

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12
Q

Permanently installed generator

A

much more expensive, runs on natural gas or diesel fuel

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13
Q

Battery inverter generator

A

super quiet, virtually no user interaction

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14
Q

RAID

A

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

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15
Q

RAID 0

A
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16
Q

RAID 1

A

Provides redundancy by mirroring the data identically on another disk

17
Q

RAID 5

A

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

18
Q

RAID 10

A

Combination of Raid 1 and 0 (good example of a disaster tolerant raid)

19
Q

Network Redundancy

A

Internet Connections - don’t just have this stuff going through one NIC or cables

20
Q

Clustering

A

Two or more servers working together to perform a function

21
Q

Failover Cluster

A

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

22
Q

Load-balancing Cluster

A

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

23
Q

Redundant Site

A

Another place to work if one of the places you work goes down

24
Q

Hot Site

A

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

25
Q

Warm Site

A

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

26
Q

Cold Site

A

A site that has tables, chairs, bathrooms, and possibly some technical items

27
Q

Kinds of Backups

A

Full, incremental, differential

28
Q

Full Backup

A

All of the contents of a drive are backed up

29
Q

Incremental Backup

A

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

30
Q

Differential Backup

A

Only conducts a backup of the contents of a drive since the last full backup

31
Q

10 Tape Rotation

A

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

32
Q

Grandfather-Father-Son Rotation

A

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

33
Q

Towers of Hanoi Rotation

A

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

34
Q

Snapshot Backup

A

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

35
Q

Disaster Recovery Planning

A

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

36
Q

Business Impact Analysis

A

identifies risks and their affect on ongoing operations

37
Q

MTD

A

Sets the upper limit on the recovery time (maximum tolerable downtime)

38
Q

RPO

A

How long you can be without your data

39
Q

Mean Time to Repair

A

Measures the average time to repair something after it breaks

C178 - Security+ SYO-601 (30 decks)

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