An administrator mistakenly shutdown production after a fallover because the service IP address Was shifted from the normal production node to the standby node. What can be done to avoid this type of mistake in the future？（） Include the service IP address in the administrator’s PS1 prompt。 Alias the service IP address to the hostname in the /etc/host file。 Define a persistent IP address with HACMP and make it a practice to use the persistent address for administration work。 Add a DNS entry to map the standby node name to the service IP address so telnet connections will be to the correct node。
Using splitvg to create a snapshot volume group of rootvg results in an error. What is the most likely cause of the error（） There is not an available disk to allocate to the snapshot volume group。 One of the physical volumes associated with rootvg has a status of "missing"。 Rootvg is running in enhanced concurrent mode。 A snapshot volume group cannot be created for the rootvg。
低温微生物
保管合同的任何一方变更或解除合同不可以免除责任的是（） 在不损害国家利益的前提下，双方经过协商同意变更或解除合同的。 由于不可抗力的原因，造成合同无法履行。 当事人由于经济危机遭受亏损，无法履行合同的。 当事人一方由于抢险救灾，致使合同无法履行的。
Which of the following commands can be used to clean up a failed software installation process？（） installp -D。 installp -d。 installp -C。 installp -c。
工程量清单的主要作用有（）
