104型制动机的紧急制动波速最大约为（）。 160m／s。 180m／s。 190m／s。 210m／。
Examine the following RMAN command: Which two statements are true regarding the backup taken by using the above RMAN command?（） Only data files and the control file are backed up.。 Archived redo logs are backed up only I f the database is open during the backup.。 The backup is deleted after one day, regardless of the default retention policy settings.。 The backup becomes obsolete after one day, regardless of the default retention policy settings.。
甲男入室强奸，乙女苦苦哀求，甲提出可以放过乙女，但乙女必须脱光衣服让其摸一下，乙女无奈，只好将衣服脱光后，含泪任甲随便抠摸。甲的行为构成（）。 强奸中止。 侮辱罪。 强奸未遂。 强制猥亵妇女罪。
城市社会学与社会学的关系。
A System Administrator needs to determine if the system has the latest version of perfmgr and if the filesets copied to the /tmp directory are the latest. Which of the following command sequences would be required to accomplish this？（） lslpp -l perfmgr.* ； cd /tmp ； installp -ld。 smitty list_software ； oslevel -g。 smitty list_software ； lslpp -f perfmgr*。 cd /usr/sys/install.images ； ls -la ； cd /tmp ； ls -la。
A host is to become part of a hierarchical naming topology. Which of the following services are required？（）
