After updating serverB’s network configurations， an administrator notices that serverA， which resides in a different subnet， is unable to communicate with serverB via ssh or telnet. As ping’s to the server fail， the administrator logs onto serverB via a console and finds an available interface en0 in the ’up’ state. From the console connection， en0 can communicate with other servers in the same subnet. What is the most likely cause of the problem？（） en0 has no associated ip address.。 serverB is missing its default route.。 serverB and serverA cannot connect due to a firewall.。 en0 has been set up to block traffic from servers that are in different subnets.。
（）是基层所队警务保障正规化中的内容。 经费保障。 训练保障。 办公用房。 民警维权。
Your database instance is configured with automatic undo management and the UNDO_RETENTIONparameter is set to 900 seconds. You executed the following command to enable retention guarantee: SQL> ALTER TABLESPACE undotbs1 RETENTION GUARANTEE; What effect would this command have onthe database（） The extents in the undo tablespace retain data until the next full database backup.。 The extents containing committed undo in the undo tablespace are not overwritten for at least 15 minutes.。 The extents containing committed data in the undo tablespace are not overwritten until the instance is shutdown.。 The extents containing committed undo in the undo tablespace are transferred to Flash Recovery Areabefore being overwritte。
循证医学结论的应用范围包括（） 用于诊疗指南和药品目录的制定。 用于药品质量的检定。 用于新药研发和临床评价。 用于药品价格的制定。 用于疾病的诊断与治疗。
A company plans to deploy a two-enclosure, 23-core Power 780 system with AIX, IBM i and Linux in thefollowing configuration: 3 AIX partitions with dedicated network and disk adapters; 1 native IBM i partition acting as a host1 hosted IBM i partition; 2 hosted Linux partitions. Which configuration will provide boot disk capability to all partitions?（） Use dual-split backplane in both enclosures for the three AIX partitions and the IBMi partition.。 Put each partition on a dedicated controller using the triple-split backplane option in both enclosures.。 Use the triple-split backplane option in one enclosure for the AIX partitions, and the default dual-split backplane for the IBMi partition in the second enclosure.。 Use the triple-split backplane option in one enclosure for the AIX partitions, and the non-split backplane mode in the second enclosure for the IBMi hosting partition.。
我国《广告法》规定了广告法律的基本原则有（）
