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Comptia SEC+ > Section 2.5 Cybersecurity resilience implementation > Flashcards

Section 2.5 Cybersecurity resilience implementation Flashcards

1
Q

What term means that an organization’s IT systems are capable of operating continuously through adversities?

A

Resiliency

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2
Q

The ability to provide uninterrupted service consistently is the goal of maintaining a ___________ system.

A

High-availability

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3
Q

What concept allows resources and systems to grow or shrink automatically based on demand?

A

Scalability

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4
Q

What specifies in measurable terms the level of service to be received by the customer?

A

Service Level

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5
Q

What are the 2 key components of redundancy planning?

A

High availability
Fault Tolerance

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6
Q

What kind of systems protect your systems and network equipment and provide redundancy for maintaining high-availability?

A

Fault Tolerant systems

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7
Q

What concept helps to eliminate single points of failures?

A

Redundancy

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8
Q

What is the most common type of service interruption?

A

Failed Hardware

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9
Q

High availability environments require what kind of services to keep up their availability?

A

redundant services

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10
Q

What concept allows uninterrupted access to critical assets in a near seamless manner by being able to reroute in the event of a controller failure?

A

Multipath Capability

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11
Q

What defines the concept of using several separate hard drives to create one logical drive?

A

Redundant Array of Independent Disks (RAID)

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12
Q

What is the ability to insert and remove hardware while the entire system is still running? Hard drives in a Raid system are the most common type of this device.

A

Hot swap

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13
Q

What refers to the ability to insert and remove hardware while a system is in a suspended state?

A

Warm swap

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14
Q

What refers to a device already installed in the system that can take over at any time when the primary device fails?

A

Hot spare

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15
Q

Mirroring the contents of one hard drive on another is called RAID level?

A

RAID level 1

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16
Q

What RAID technique spreads the contents of a logical hard drive across several physical drives and includes parity information to help rebuild the data?

A

Striping

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17
Q

What are the characteristics of RAID level 1+0?

A

4 hard drive minimum; Disk striping with mirroring

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18
Q

What allows admin to balance the load traversing a network across several resources?

A

Load Balancing

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19
Q

What allows you to use several servers to perform the services of one; resources of all the servers can be used to perform the same task?

A

Clustering

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20
Q

What type of cluster means that both servers in the cluster are up and running and actively responding to requests?

A

Active/active

21
Q

What type of cluster means that one server is actively responding to requests while the other server acts as a live standby?

A

Active/passive

22
Q

What concept uses network cards to provide redundancy and high availability in servers with network communications?

A

NIC Teaming

23
Q

What contains a battery that can run a server for a period after a power failure, enabling you to shut down the system safely and save any data?

A

Uninterruptible power supply

24
Q

For large organizations with critical high-availability requirements, a more expensive option for backup power is the use of a __________ that runs on a battery or fuel?

A

Generator

25
Q

What displays current power consumption and allows for monitoring to prevent overloads and the ability to hot swap between power sources without powering down

A

Managed Power Distribution Units

26
Q

What determines how long data should be backed up and kept, often driven by specific legal requirements?

A

Data Retention policies

27
Q

Which backup includes all files selected on the system?

A

Full Backup

28
Q

What backup includes only those files that have been modified since the previous full or incremental backup?

A

Incremental backup

29
Q

What backup saves only the files that have been changed since the last full backup?

A

Differential backup

30
Q

What enables you to take a picture of system configurations at a known-good point in time and roll back to that configuration at some point in the future if the system becomes unstable or is corrupted?

A

Snapshot

31
Q

What is an alternative for offsite storage of physical backup media?

A

Online backup services

32
Q

What backup method involves performing a full backup every day, using the same backup media each time?

A

Son Backup Method

33
Q

What backup method uses a combination of full and differential or incremental backups on a weekly basis?

A

Father-son backup method

34
Q

What boots directly from trusted media with a last known good configuration?

A

Live boot media

35
Q

What means that anything malicious or unauthorized currently residing on the main drive can likely be overcome?

A

nonpersistence

36
Q

What do you call a technology that is used to increase the performance and/or reliability of data storage with two or more drives working in parallel?

A

RAID

37
Q

What is the establishment of multiple physical routes between a server and the storage device that supports it?

A

Multipathing (SAN or I/O)

38
Q

What do you call dual network cards, paired together to give maximum throughput?

A

NIC Teaming

39
Q

What can help maintain service availability in cyber attack scenarios?

A

Load Balancers

40
Q

What was designed to keep connected systems running for a limited time, enabling graceful system shutdown?

A

Uninterruptible Power Supply

41
Q

What do you call a hardware device that contains a large number of fast disks, such as Solid-State Drives (SSD’s), usually isolated from the LAN on its own network?

A

SAN

42
Q

What do you call a collection of servers, storage, switches and other devices? They enable more robust redundancy.

A

SAN Fabric

43
Q

Data replication between _____________ can provide service-level resilience.

A

SAN fabrics

44
Q

With __________, VM files can be copied across onto a second physical host with no downtime.

A

live migration

45
Q

With ____________, the files for a virtual machine are not copied from one server to another and thus downtime is minimized.

A

SAN migration

46
Q

What backup type is useful when data is accessed by using a Universal Naming Convention (UNC) path rather than a LUN, as with a SAN?

A

Network-attached storage (NAS)

47
Q

What backup type is good for fast backups of large data sets, common with SQL databases or email?

A

SAN

48
Q

What backup types support server and file share backups?

A

Cloud backup solutions

49
Q

What term means the ability of a system to handle faults in a service like power, network, or hardware failures?

A

Fault Tolerance

Comptia SEC+ (27 decks)

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