[单选]

Company.com is planning for an HACMP cluster and wants to know more about the network requirements. The plan is to use IPAT via IP aliasing and heartbeating via IP aliasing to preserve the corporate IP addresses. Currently the customer uses a separate VLAN for each individual subnet. 
Which statement best describes how HACMP co-exists with VLAN’s in this configuration？（）   

A trigger can be created on which of the following objects?（） View。 Catalog Table。 Stored Procedure。 Global Temporary Table。 在方案优选时，关于净现值法说法错误的是（）。 净现值法是以净现值作为方案优选比较指标。 净现值最大的方案为优选方案。 净现值法要求方案收入、费用可以定量预估。 净现值法中方案基准收益率可以不一致。 You enable block change tracking. You issue the following command: BACKUP INCREMENTAL LEVEL 0 DATABASE; The next day, you issue the following command: BACKUP INCREMENTAL LEVEL 1 CUMULATIVE DATABASE; Which statement about the use of the change tracking file is true?（） RMAN reads the block change tracking file only when it performs the incremental level 0 backup.。 RMAN reads the block change tracking file when it performs both incremental backups.。 RMAN reads the block change tracking file only when it performs the incremental level 1 backup.。 RMAN does not read the block change tracking file when it performs either incremental backup.。 TPC软件由多个组件组成，下列哪一项不是 TPC Server 的组件：（） CIMON Agent。 Data Server。 Device Server。 DB2 data repository。 教育的资源不再局限于（），学习将跨越时代、时间和空间。

Company.com is planning for an HACMP cluster and wants to know more about the network requirements. The plan is to use IPAT via IP aliasing and heartbeating via IP aliasing to preserve the corporate IP addresses. Currently the customer uses a separate VLAN for each individual subnet. 
Which statement best describes how HACMP co-exists with VLAN’s in this configuration？（）