Cyber resilience Flashcards

(18 cards)

1
Q

Cyber Resilience

A

网络弹性 – 能在网络攻击中保持服务不中断。

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2
Q

Redundancy

A

冗余 – 关键组件的备份,避免单点故障。

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3
Q

High Availability (HA)

A

高可用性 – 系统持续运行,减少宕机时间。

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4
Q

Load Balancing

A

负载均衡 – 分散流量,避免服务器过载。

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5
Q

Clustering

A

集群 – 多个系统组合,确保容错和可扩展性。

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6
Q

RAID 0/1/5/6/10

A

磁盘阵列 – 提高性能或数据冗余,常用于数据保护。

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7
Q

RPO (Recovery Point Objective)

A

恢复点目标 – 能接受的最大数据丢失时间。

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8
Q

BCP (Business Continuity Plan)

A

业务连续性计划 – 保证灾难发生时业务仍可运行。

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9
Q

DRP (Disaster Recovery Plan)

A

灾难恢复计划 – 灾后快速恢复 IT 系统的方案。

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10
Q

UPS (Uninterruptible Power Supply)

A

不间断电源 – 提供临时电力,防止数据丢失。

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11
Q

Hot / Warm / Cold Sites

A

备份站点类型 – 热备(立刻启用)、温备(几天内启用)、冷备(几周内启用)。

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12
Q

Geographic Dispersion

A

地理分布 – 资源分布多个地点,提高抗灾能力。

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13
Q

Snapshots

A

快照 – 某一时刻的系统状态副本,用于恢复。

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14
Q

Replication

A

数据复制 – 实时同步数据到另一个系统。

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15
Q

Journaling

A

日志记录 – 记录数据变动,便于恢复和审计。

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16
Q

Tabletop Exercise

A

桌面演练 – 讨论模拟,测试应急预案有效性。

17
Q

Failover

A

故障转移 – 主系统出问题时自动切换到备用系统。

18
Q

Parallel Processing

A

并行处理 – 主备系统同时运行,确保无缝切换。