Which of the following a true statements regarding the use of VLANs to segment anetwork? （）

A . A sequence will never generate duplicate values B . The MAXVALUE of a sequence can be equal to the MINVALUE C . It is not possible to create a sequence that generates a constant since the INCREMENT value must be greater than zero D . When a sequence cycles back to either the MAXVALUE or MINVALUE, it will always be equal to the specified value of either of these two boundarie

A . It applies to a single data server. B . It is a recoverable sequence of operations. C . Its value can be queried from the system catalog tables. D . It begins when the application connects to the data server.

A . Foreign key references cannot cross schema boundaries. B . A DB2 user must be created before a schema with the same name can be created. C . If no schema is specified when an object is created, the default schema PUBLIC is used. D . A schema enables the creation of multiple objects in a database without encountering namespace collisions.

A . making the repair list, booking spare parts and special tools for the dock repair B . shutting off all of the SW valves to outboard C . the sketches or diagrams used for the dock repair D . cleaning up the oil tank and boiler before enter the dock

A . Shut down the database. B . Set the appropriate parameters in init.ora file. C . Start the database in NOMOUNT state. D . Issue the ALTER DATABASE ARCHIVELOG command. E . Open the database. F . Take a full closed backup.

A . DELETE * FROM TABLE T03 B . DELETE ALL FROM T03 C . DELETE * FROM T03 D . DELETE FROM T03

A . SupportFor Every Technology B . Cisco IOS Bug Fixes C . Access to theSoftware Center D . Full Access to the Cisco.com website

A．Calm surrounding atmosphere. B．High air pressure. C．Warm sea-surface temperature. D．A group of thunderstorms over warm tropical waters.

A．He was poor. B．He talked less to others. C．He was too shy. D．He was short.

A．A.The type of BSC that the BTS is connected to B．B.Timing Advance C．C.Number of cells in a cluster

A．Difficulty in adjusting to changes leads to alcoholism. B．Nutritional deficiency is a major cause of alcoholism. C．The rate of alcoholism is low in a group where customs toward drinking are fixed. D．Man cannot be exempt from physical and social stresses.

A．favourite B．countryside C．illegible D．consciousness