下列属于宏观市场环境的有（）。 人口环境。 经济环境。 顾客。 社会人文环境。 中介单位。
When tuning a network module what is the purpose of the grace period？（） It defines the maximum permissible time period between missed heartbeats before a failure is detected。 It defines the time period to wait to activate the network module after starting the cluster manager。 It defines the period between detecting a missed heartbeat and initiating a network down， allowing thenetwork to stabilize。 It defines the time period during which， after a network failure was detected， further network failures of thesame type will be ignored。
A support engineer reports that inserting new sales transactions in a SQL Server 2005 database results in an error. You investigate the error. You discover that in one of the databases, a developer has accidentally deleted some data in a table that is critical for transaction processing. The database uses the full recovery model. You need to restore the table. You need to achieve this goal without affecting the availability of other data in the database. What should you do?（） Back up the current transaction log. Restore the database with a different name and stop at the point just before the data loss. Copy the table back into the original database.。 Back up the current transaction log. Restore the database to the point just before the data loss.。 Restore the database from the existing backup files to a time just before the data loss.。 Restore the database to the point of the last full backup.。
An SSL VPN can be used in conjunction with IBM Tivoli Access Manager for Enterprise Single Sign-On to provide remote access to business critical information. Which statement is true about the Mobile ActiveCode （MAC） when it is used with a VPN Solution for remote access？（） The MAC can only be delivered to a mobile phone and is good for a single use only.。 The MAC can be delivered by mobile phone， e-mail， or fax， and it is good for one time authentication only.。 The MAC can only be delivered to a mobile phone and it is good until the expiration time is reached， as set by an administrator.。 The MAC can be delivered by mobile phone， email， or fax， and it is good until the expiration time is reached， as set by an administrator.。
103型分配阀放风阀弹簧自由高为（）。 35.5～34mm。 42.5～363mm。 52.5～48.3mm。 50.5～46.5mm。
不宜选择葡萄糖注射液作为溶剂的药物是（）
