[多选] 关于站点测试的描述正确的是（）

our 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 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 office can access their local application server even if the WAN links are down for three days. What should you do?（） Increase the expires after setting to 4 days on the start of authority (SOA) record for the zone.。 Increase the refresh interval setting 0 4 days on the start of authority (SOA) record for the zone.。 Configure the zone aging / scavenging properties dialog box to enable scavenge state resource records, and set the refresh setting to 4 days.。 Configure the zone aging / scavenging properties dialog box to enable scavenge state resource records, and set NO-refresh interval setting to 4 days.。 新《安全生产法》于哪次会议通过，自何时起施行，共多少章多少条？ 中华人民共和国国务院令第650号《医疗器械监督管理条例》于（）起施行。 Your network contains two offices named Office1 and Office2. The offices connect to each other by using a demand-dial connection.You add a new subnet in Office2.You need to ensure that a demand-dial connection starts when users attempt to connect to resources in the new Office2 subnet.What should you do from the Remote Routing and Access console？（） From the remote access server in Office2, right-click the demand-dial interface and click Connect.。 From the remote access server in Office1, right-click the demand-dial interface and click Connect.。 From the remote access server in Office1, right-click the demand-dial interface and click Update Routes.。 From the remote access server in Office2, right-click the demand-dial interface and click Update Routes.。 下列说法正确的是（） 搅拌罐式反应器酶与底物分两次加入。 鼓泡式反应器反应过程中有气体参与或产生。 固定床式反应器可用于固定化酶或游离酶。 流化床式反应器适用于较大颗粒固定化酶。 以上都不是。 关于站点测试的描述正确的是（）