What does the SCN represent？（） The system change number， which is a point in time relative to transactions within a given database.。 A number that represents time. Thus， at 1300 hours， the SCN is the same on all databases. 。 The security change number， which represents the security code that is needed to access any database structure.。 A conversion factor that converts internal database time to external clock time.。 UTC time in the database，providing a standardized way of tracking time in Oracle.。
水汽取样器的冷却水最好是用（） 原水。 软化水。 凝结水。
A customer asks which bays they could install Multi-Switch Interconnect Module （MSIM）. Which is the source of this information of the following？（） CDAT。 IBM Systems Director。 Tivoli Provisioning Manager （TPM）。 xREF。
The WebSphere Commerce Payments architecture includes a Payment Servlet and a Payment Engine. The Payment Engine is the ONLY component that：（） writes payment information to the database。 relays incoming HTTP requests。 writes payment information to the HTTP server。 maps authenticated users to merchant role。
Which action changes the default editor for ALL users on the system from vi to edit？（） Issue the command：export EDITOR=/usr/bin/edit edit each users .profile to change the EDITOR value to /usr/bin/edit。 Modify /.profile and change the EDITOR variable to /usr/bin/edit。 Modify /etc/environment and add EDITOR=/usr/bin/edit export EDITOR。 Modify /etc/security/defaults and change the EDITOR value to /usr/bin/edit。
The administrator would like to verify that hdisk2 has the correct reserve policy set. What IOS command should the administrator run? （）
