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  3. The following scenario will be used to answer questions 30, 31 and 32. Jeff is leading the business continuity group in his com

The following scenario will be used to answer questions 30, 31 and 32. Jeff is leading the business continuity group in his com

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问题 The following scenario will be used to answer questions 30, 31 and 32.
Jeff is leading the business continuity group in his company. They have completed a business impact analysis and have determined that if the company’s credit card processing functionality was unavailable for 48 hours the company would most likely experience such a large financial hit that it would have to go out of business. The team has calculated that this functionality needs to be up and running within 28 hours after experiencing a disaster for the company to stay in business. The team has also determined that the restoration steps must be able to restore data that are one hour old or less.
In this scenario, what would the 1-hour time period be referred to as?
选项 A、Recovery Time Period
B、Maximum Tolerable Downtime
C、Recovery Point Objective
D、Recovery Point Time Period
答案C
解析 C正确。恢复点目标(Recovery Point Objective，RPO)指的是在一段时间内可接受的数据丢失量。这个值表示的是数据必须进行恢复的最早的时间点。数据的商业价值越高，要确保在灾难中损失的数据量越少，则需要投入的资金或其他资源就越多。
A不正确。因为这是一个干扰项。没有恢复时间段(Recovery Time Period)这个官方术语。
B不正确。因为最长可承受的停机时间(MTD)值表示的时间意味着如果公司在这个时间之后仍无法恢复重要的经营活动，将对公司的名声或底线带来重大、甚至是无法挽回的伤害。
D不正确。因为这是一个干扰项。没有恢复点时间段(Recovery Point Time Period)这个官方术语。
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