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Security+ Exam > Section 28 Planning for the worst > Flashcards

Section 28 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 comptuer 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
  1. Portable Gas Engine
  2. Permanently Installed
  3. Battery Inventer
A

3 Types of Generators

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11
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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12
Q

Provides data striping across multiple disks to increase performance.

A

RAID 0

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13
Q

Provides redundancy by mirroring the data identically on two hard disks.

A

RAID 1

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14
Q

Provides redundancy by stripping data and parity data across the disk drives.

A

RAID 5

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15
Q

Provides redundancy by stripping and double parity data across the disk drives.

A

RAID 6

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16
Q

Creates a striped RAID of two mirrored RAIDs (Combines RAID 1 and RAID 0).

17
Q

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

A

Fault Resistant RAID 0

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.

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.

23
Q

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

24
Q

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

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 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 Hano

31
Q

Type of backup primarily used to capture the entire operating system image including all application 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 (BIA)

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 organizations can tolerate lost data being unrecoverable.

A

Recovery Point Objective (RPO)

38
Q

Measures the average 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+ Exam (34 decks)

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