[单选] Your company has a main office and two branch offices. Domain controllers in the main office host an Active Directory-Integrated zone. The DNS servers in the branch offices host a secondary zone for the domain and use the main office DNS servers as the DNS Master servers for the zone. Each branch office has an application server. Users access the application server by using its fully qualified domain name. You need to ensure that users in the branch offices can access their local application server even if the WAN links are down for three days. What should you do？（）

A . Increase the Expires After setting to 4 days on the Start of Authority （SOA） record for the zone.
B . Increase the refresh interval setting o 4 days on the Start of Authority （SOA） record for the zone.
C . Configure the Zone Aging / Scavenging Properties dialog box to enable Scavenge State resource records， and set the refresh setting to 4 days.
D . Configure the Zone Aging / Scavenging Properties dialog b ox to enable Scavenge Stale resource records， and set the No-refresh interval setting to 4 days.

国家实行生产安全事矿（），依法追究生产安全事故责任人员的法律责任。责任追究制度。法律追究制度。隐患排查制度。浮游生物按其生活阶段在生活史中所占时期长短分类，可分为（）、（）和（）。下列属于资产定价理论的有（）。资本资产定价模型（CAPM）。因素模型（FM）。套利定价理论（ APT）。布莱克斯克尔斯模型（B-S）。对事物进行分类时，应遵循哪些规则？阅读期待视野可以具体分为文学的形式期待、内容期待与（）三个彼此相关的层面。形象期待。意象期待。意蕴期待。文采期待。 Your company has a main office and two branch offices. Domain controllers in the main office host an Active Directory-Integrated zone. The DNS servers in the branch offices host a secondary zone for the domain and use the main office DNS servers as the DNS Master servers for the zone. Each branch office has an application server. Users access the application server by using its fully qualified domain name. You need to ensure that users in the branch offices can access their local application server even if the WAN links are down for three days. What should you do？（）

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