D makes sense to me - if I have a lot of similar deliverables, rather than reinvent the network diagram wheel for each, I'd just use a set of reusable network templates...
The correct answer is d) Identical or nearly identical deliverables.
According to the PMI Practice Standard for Scheduling (3rd Edition), a subnetwork (also called a fragment network or fragnet) is a subdivision or modular block of a project schedule network diagram. These templates are explicitly designed to represent common, repeatable cycles of activities. When a project involves many identical or nearly identical deliverables (such as building multiple floors of a high-rise building, pouring dozens of similar concrete slabs, or deploying a standard software module repeatedly), the scheduler can rapidly copy, paste, and insert the same subnetwork template into the master schedule model rather than drawing the identical logic loops manually from scratch. Saving Changes...
The correct answer is d) Identical or nearly identical deliverables. These templates are standard, pre-made plans for specific tasks. They save time when you need to repeat the same type of work multiple times in a project. Saving Changes...
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