●The Systems Development Life Cycle (SDLC) is a process of creating or altering information systems, and the models and methodologies that people use to develop these systems. Sequential SDLC models, such as (72), focus on complete and correct planning to guide large projects and risks to successful and predictable results.
(72)A. Waterfall
B. Extreme Programming
C. Spiral
D. Rapid Prototyping
第1题:
Asystemadministratorhasbeenaskedtomigratethedev_vgvolumegroupfromserverAtoserverB.Thedev_vgvolumegroupcontainsasinglefilesystemnamed"/development".Toprepareformigration,whichofthefollowingisthecorrectsequenceofcommandsforremovingthevolumegroupfromserverA?()
A.exportvgdev_vg;umount/development;varyoffvgdev_vg
B.varyoffvgdev_vg;umount/development;exportvgdev_vg
C.umount/development;exportvgdev_vg;varyoffvgdev_vg
D.umount/development;varyoffvgdev_vg;exportvgdev_vg
第2题:
1、()在西门子802D系统中指的是平面铣削循环。
A.CYCLE71
B.CYCLE73
C.CYCLE95
D.CYCLE81
第3题:
()在西门子802D系统中指的是轮廓铣削循环。
A.CYCLE72
B.CYCLE73
C.CYCLE95
D.CYCLE81
第4题:
第5题:
()在西门子802D系统中指的是平面铣削循环。
A.CYCLE71
B.CYCLE73
C.CYCLE95
D.CYCLE81
第6题:
2、()在西门子802D系统中指的是轮廓铣削循环。
A.CYCLE72
B.CYCLE73
C.CYCLE95
D.CYCLE81