人类生态学的主要缺点是什么？
An administrator migrates from AIX 5.3 to AIX 6.1. Upon completion， a client questions why files are missing from /tmp. How should the administrator respond to the client？（） Explain that the files never existed in the first place.。 Explain that during a Migration install the /tmp filesystem is overwritten.。 Explain that after a Migration install， all system filesystems will be empty.。 Explain that /tmp is temporary storage and files are automatically removed every 30 days.。
终毒物常是母体化合物，也可能是母体化合物的代谢产物或者是在毒物生物转化期间产生的活性氧。
绩效评估
A bank has requested proposals for a storage solution to implement disaster recovery processes for their IBM System z configured with Linux, IBM System p configured with AIX, and Microsoft Windows environments. The solution must simulate a multi-site environment and provide the customer the ability to evaluate Metro Mirror, Global Mirror, and FlashCopy. Floor space is limited. What hardware platform provides this native support?（） IBM XIV Storage System。 IBM System Storage DS5300。 IBM System Storage DS8800。 IBM System Storage DS5020 with SVC。
常用的一种光谱抗生素是（）
