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Sequence Activities

The process of determining and recording how project activities are logically connected and depend on one another.

Key Points

  • Defines logical links among tasks (FS, SS, FF, SF) and applies leads and lags where appropriate.
  • Typically uses the Precedence Diagramming Method (PDM) to create a schedule network diagram.
  • Considers dependency types: mandatory, discretionary, external, and internal, along with constraints and assumptions.
  • Performed after activities are identified and before estimating durations and developing the full schedule.

Example

A project manager maps the sequence: Complete Design (FS) Build Prototype (FS with a 2-day lead for early procurement) Test Prototype (FS with a 1-day lag) Deploy. The resulting network diagram shows all relationships, including the lead that allows procurement to begin slightly before design finishes.

PMP Example Question

While creating a network diagram, you add a 3-day lag between "Pour concrete" and "Remove forms." Which process are you performing?

  1. Define Activities
  2. Sequence Activities
  3. Estimate Activity Durations
  4. Control Schedule

Correct Answer: B — Sequence Activities

Explanation: Adding lags and defining how tasks relate (dependencies) is part of sequencing activities, not identifying activities, estimating durations, or controlling the schedule.

ICS/OT Cybersecurity Fundamentals — Security Built for Industrial Systems

Industrial control systems cannot be secured like ordinary IT. A forced reboot, aggressive scan, or incompatible patch can interrupt production and create real safety consequences. Effective OT security begins with understanding the systems, constraints, and risks unique to industrial environments.

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ICS/OT Cybersecurity Fundamentals course preview

Build an ICS/OT cybersecurity foundation that fits the real environment

Standard IT controls can disrupt the industrial systems they are meant to protect. Learn how to assess OT risk, design zones and conduits, apply IEC 62443 security levels, use MITRE ATT&CK for ICS, and establish passive asset visibility without risking production. Eight reconstructed incidents connect attacker techniques to the controls that failed, giving you the vocabulary and judgment to make credible security decisions from day one.

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