In your running instance， some of the initialization parameters are set as shown below： SGA_MAX_SIZE = 14GB DB_CACHE_SIZE = 1GB SHARED_POOL_SIZE = 3GB STATISTICS_LEVEL = BASIC PGA_AGGREGATE_TARGET = 0 You plan to enable Automatic Shared Memory Management but you are not able to set SGA_TARGET to a nonzero value. What could be the reason？（） The STATISTICS_LEVEL initialization parameter is set to BASIC。 The PGA_AGGREGATE_TARGET initialization parameter is set to zero.。 The SGA_MAX_SIZE initialization parameter is set to less than 20 GB。 The DB_CACHE_SIZE initialization parameter is set to less than 5 GB。 The SHARED_POOL_SIZE initialization parameter is set to a nonzero value.。
A customer has an existing high availability SAN environment with CLARiiON, which has been stable for 16 months. They have recently experienced several outages with their current storage systems. They need to purchase additional storage and have asked about tier 1 storage. They are concerned with connecting their existing storage and servers without trouble. Which resource should be consulted while developing the solution options?（） Disk Magic。 TPC for Data。 CLARiiON Procedure Generator。 System Storage Interoperability Center。
两只阻值相同的电阻串联后，其阻值（）。 等于两只阻值的乘积。 等于两只阻值的和。 等于两只阻值的二分之一。
How many expansion frames can be attached to an IBM TS3500 model L23 or L53 base frame? （） 15。 16。 17。 18。
某人在一段时间里常常感到情绪低落，兴趣减退，对前途悲观失望，总是提不起精神来。根据这些表现可判断该人的情绪是（） 抑郁。 焦虑。 自卑。 压抑。
The ‘lsvg -o’ command is run with an output of only rootvg， but the server has another volume group named datavg， which is not displayed.
What is the likely cause？（）
