Q: 17
DRAG DROP Drag and drop the functions from the left onto the correct Path Computation Element Protocol roles on the right 
Drag & Drop
Discussion
Pretty straightforward if you've worked with PCEP. Path Computation Element gets "calculates paths through the network" and "keeps TE topology database information", while Path Computation Client handles "sends path calculation request" plus the creation and status updates. That's what I've seen in similar practice sets.
PCE: calculates paths through the network, keeps TE topology database info.
PCC: sends path calculation request, sends path creation request, sends path status updates.
I've seen some folks put status updates under PCE but that's a trap, PCC is responsible for those. Based on practice and exam reports I'm pretty sure this mapping is correct. Agree?
PCE: calculates paths, keeps TE topology db. PCC: sends path calculation request, sends path creation request, sends status updates. That lines up with the protocol roles from PCEP docs. Pretty sure that's the split but let me know if you see it different.
Seen similar drag and drop in the official practice test. Mapping is: PCE gets calculates paths through network, keeps TE topology DB, PCC gets sends path calculation request, sends path creation request, sends path status updates.
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