free float of the activity must be zero but independent float need not be zero

independent float must be zero but free float need not be zero

free float and independent float both must be zero

free float and independent float both need not be zero

its latest finish time and earliest start time for its successor activity

its latest start time and earliest start time

its latest start time and earliest finish time

its earliest finish time and earliest start time for its successor activity

0

1

2

none of the above

A critical path always begins at the very first event.

A critical path always terminates at the last event.

Critical activities control the project duration.

Critical activity is the one for which free float is zero.

its earliest finish time and earliest start time for its successor activity

its latest start time and earliest start time

its latest finish time and earliest start time for its successor activity

its earliest finish time and latest start time for its successor activity