A p5-550 with AIX 5.3 is being designed for availability. In addition to providing redundant adapters， which of the following should also be provided？（） Redundant processor pools， UPS， and HACMP。 Redundant service processors， HACMP， and mirrored AIX drives。 Redundant processor pools， redundant service processors， and HACMP。 Redundant power， redundant Virtual I/O Servers， and mirrored AIX drive。
“在费城制宪会议的过程之中，虽然各州、派系之间有利益冲突，但为了实现共同的国家未来和长远的政治秩序，大家一方面相互承认对方的逐利冲动，另一方面寻求利益整合和政治妥协的可能性”。据此，美国确立了（）。①中央集权制②分权制衡原则③联邦制④两党制 ①②。 ②③。 ③④。 ①④。
A System p administrator wants to NFS mount a filesystem from server "alpha" to server "bravo". Which of the following commands should be issued from "bravo" to determine which filesystems are being exported by server "alpha"（） lsexport alpha。 showmount -e alpha。 exportfs -l alpha。 mount -e nfs alpha。
T－101b开孔机的各部件在使用前后都要涂（），防止腐蚀。 黄油。 汽油。 机油。 防锈漆。
A customer requires a deskside solution that they will rack-mount in the future. Space is at a premium. The solution must support two AIX 5.2 applications that require two processors each. Which of the following deskside configurations should the pSeries Technical Specialist recommend？（） One p5-550 4-way。 Two 2-way p5-520s。 One p630 4-way。 Two 2-way p615。
Which two scenarios are NOT safe to replace a StringBuffer object with a StringBuilder object?（）
