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Security+ SY0-601 > 2.5 Implement Cybersecurity Resilience > Flashcards

2.5 Implement Cybersecurity Resilience Flashcards

1
Q

Give the characteristics of RAID 0

A

Striping without parity

High performance

no fault tolerance

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2
Q

Describe the characteristics of RAID 1.

A

Mirroring

duplicated data for fault tolerance

requires twice the disk space

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3
Q

Striping with parity

fault tolerant

Only requires an additional disk for redundancy

A

RAID 5

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4
Q

How do you annotate a RAID configuration that includes multiple different RAID types?

A

RAID 0+1, RAID 1+5, etc

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5
Q

The concept of creating aggregate bandwidth and redundant paths on a network. Particularly important in logical network setups.

A

Load balancing/fail over (LBFO)

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6
Q

The concept of grouping multiple network interface cards to logically show as a single adapter. If the primary card fails the next in the group picks up the traffic.

A

NIC Teaming

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7
Q

What are 4 common methods to provide power redundancy?

A

UPS

Generator

Dual Power supplies

Power distribution unit (PDU)

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8
Q

This type of network provides a high-performance network of storage devices. Allows for incredibly fast replication speeds as compared to traditional backups.

A

Storage area network (SAN) replication

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9
Q

The process of maintaining a single virtual machine and replicating out to all other virtual machines. Generally only replicates the changes rather than the entire system in the event of a change.

A

VM replication

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10
Q

Replication: On-prem vs. cloud: Which is faster?

A

Local devices are faster

Cloud connections can be slow/internet speed restricted

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11
Q

Replication: On-prem vs. cloud: Which is cheaper?

A

Cloud costs have low entry points and easily scale

On-prem storage can be very expensive

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12
Q

Replication: On prem vs. cloud: Which is more secure?

A

Local data stays private

Cloud requires additional security controls

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13
Q

Name the backup type:

  • All selected data is backed up
  • High backup size/low restore time
  • Archive attribute: cleared
A

Full backup

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14
Q

Backup type:

  • New files and files modified since last backup
  • Low backup size/High restore time
  • Archive attribute: cleared
A

Incremental backup

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15
Q

Backup type:

  • All data modified since last full backup
  • Moderate backup size/moderate restore time
  • Archive attribute: not cleared
A
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16
Q

What type of back up is always taken first?

A

Full backup

17
Q

What is the difference between a NAS and a SAN?

A

Network attached storage (NAS):

  • single device to be accessed across network
  • file-level access

Storage area network (SAN):

  • looks/feels like a storage device
  • block-level access
  • fast read/write speeds
18
Q

What is the biggest restriction on cloud based backup solutions?

A

Bandwidth

19
Q

The process of capturing an exact replica of everything on a storage drive to include OS files and user documents.

A

Image

20
Q

What does it mean for the cloud to be in a constant state of non-persistence?

A

Data is always in motion

Instances are constantly being built/torn down

21
Q

What does a cloud snapshot allow you to do?

A

Capture current configurations or the complete state of a device at a single moment in time

22
Q

True or false: A rollback does not modify data, but simply reverts the system to a previous configuration.

A

True

23
Q

True or false: high redundancy means high availability.

A

False

24
Q

What does it mean for a system to have high availability?

A

Always on, always available

25
Q

What does it mean to have an application-specific order of restoration?

A

Certain applications will have a higher priority and need to be restored first

(i.e. databases should be restored before the associated application)

26
Q

What is the order of restoration for incremental backups?

A

Restore the full backup

Restore all subsequent incremental backups

27
Q

What is the order of restoration for a differential backup?

A

Restore the full backup

Restore the last differential backup

28
Q

What is the most effective way to ensure your organization maintains a high level of resiliency?

A

Implement defense in depth (combine multiple controls: administrative, physical, technical, etc.)

Security+ SY0-601 (37 decks)

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