影响毒物毒性的环境因素有哪些？
AIX 5L v5.3 provides initial support for which of the following new features？（） Workload Manager，POWER5 support。 64-bit kernel support，JFS2 support。 Dynamic LPAR，Capacity upgrade on demand。 Micro-Partitioning，Virtual I/O Server。
Which command will retrieve /unix and dump fromthe dump device?（） snap -R。 snap -D。 snap -U。 snap -N。
A customer needs a remote data copy， data migration， and off-site backup solution. The solution cannot impact application performance. The sites are over continental distances. Which characteristic of DS8700 Global Mirror makes it a good fit for this customer（） it provides synchronous mirroring on both sides。 it can be implemented withoutFlashCopy volumes at the target site。 with Global Mirror， the Metro Mirror functions can be used over continental distances。 it has almost no impact on application performance because of its extremely short andadjustable coordination time。
溶血性贫血红细胞破坏时，有关血浆乳酸脱氢酶（LDH）何项是错误的（） 血浆LDH无改变。 血浆LDH增高。 血浆LDH减低。 检测LDH无价值。
Due to operational commitments， a system has a very short backup window during the week， but is not used from Saturday morning through Sunday at Midnight. Which of the following minimizes backup time， while providing the best data restore coverage？（）
