CompTIA认证考试SK0-002单项选择题每日一练(2019.03.27)

单项选择题
Which RAID standard combines data striping across drives with mirroring？（）
A. RAID 0+1
B. RAID 1+5
C. RAID 3
D. Hybrid RAID 5+
单项选择题
Which factor has the greatest impact on the estimated per unit labor cost for a project？（）
A.Historical information
B.Use of outside vendors
C.Change control processes
D.Human resource skill level requirements
单项选择题
Team member listing， scheduled tasks， and risk identification are part of the：（）
A.project plan.
B.project charter.
C.communication plan.
D.WBS （Work Breakdown Structure）.
单项选择题
What is the MOST accurate way to determine a project’s duration before execution？（）
A.The project manager performs all estimates
B.Incorporate each individual worker’s estimates
C.Acquire expert estimates
D.There is no way to determine the duration
单项选择题
Within Information Technology projects， communications between the project manager and the project team members should take place：（）
A.by written and oral communication.
B.via a weekly status report.
C.through the formal chain of command.
D.with approved template forms.