● Precedence Diagramming Method （PDM) is a method used in activity sequencing. There are f

On a precedence diagram, the arrow between two boxes is called:

A.An activity.

B.A constraint.

C.An event.

D.The critical path.

E.None of above.

128 On a precedence diagram, the arrow between two boxes is called:

A. An activity.

B. A constraint. C. An event.

D. The critical path.

E. None of above

10 On a precedence diagram, the arrow between two boxes is called:

A. An activity.

B. A constraint.

C. An event.

D. The critical path.

E. None of above

angles, referred to as nodes, to represent activities and connects them with arrows that show the dependencies.This method includes following types of dependencies or precedence relationships:(67), the initiation of the successor activity, depends upon the completion of the predecessor activity.(68), the initiation of the successor activity, depends upon the initiation of the predecessor activity.

A．PDM

B．CPM

C．PERT

D．AOA

A.EF对应IP precedence 5

B.AF1对应IP precedence 1

C.AF2对应IP precedence 2

D.缺省的DSCP对应到IP precedence 0

A.High priority

B.Low priority

C.Normal priority

D.Middle priority

A.IP Precedence

B.ACL

C.DSCP

D.特定范围内的UDP端口号

PDM includes four types of dependencies or precedence relationships…(73)，the initiation of the successor activity，depends upon the initiation of the predecessor activity．

A．Finish-to-Start

B．Finish-to-Finish

C．Start-to-Start

D．Start-to-Finish

PDM includes four types of dependencies or precedence relation ships：(73)The completion of the successor activity depends upon the initiation of the predecessor activity．

A．Finish-to-Start

B．Finish-to-Finish

C．Start-to-Start

D．Start-to-Finish