You need to configure fine-grained access control to external network resources from within your database. You create an access control list (ACL) using the DBMS_NETWORK_ACL_ADMIN package. Which statement is true regarding the ACL created?（） It is a list of remote database links stored in the XML file that are available to the users of the database.。 It is a list of users and network privileges stored in the XML file according to which a group of users can connect to one or more hosts.。 It is a list of users and network privileges stored in the data dictionary according to which a group of users can connect to one or more hosts.。 It is the list of the host names or the IP addresses stored in the data dictionary that can connect to your database through PL/SQL network utility packages such as UTL_TCP.。
强心苷的正性肌力作用特点和机制如何？
Which of the following statements is false？（） There can be more than one master catalog for a store。 A sales catalog is a subset of the master catalog。 The master catalog is the central place for the stores merchandise。 There can be more than one sales catalog for a store。 Multiple stores can share a master catalog。
A system administrator is installing a C compiler on a system. According to the compiler’s documenation， the AIX fileset bos.adt.lib must be installed prior to installation of the compiler. Which command would the system administrator use to verify installation of the bos.adt.lib fileset？（） installp。 instfix。 lsallq。 lsl。
紧急限压阀的功用是在紧急制动时限制作用风缸的压力不超过（）。 440kPa。 450kPa。 430kPa。 360kPa。
Customer is asking if new IBM UEFI recognizes their Windows 2003 Enterprise Operational System. What is the correct answer？（）
