The figures below show an enterprise's Layer 2 networking architecture and information displayed when engineers check the device status after communication between departments fails. 
What are the possible causes of this communication failure?
Definitions:
Coy Smiles
Smiles that are subtly playful or teasing, often considered flirtatious, and can convey interest or amusement in social interactions.
Self-Disclosure
The act of revealing personal, private information about oneself to others.
Exchange Theory
A theoretical framework that analyzes social interactions in terms of the benefits and costs between the parties involved.
Matching Hypothesis
The theory suggesting that people are more likely to form and succeed in a committed relationship with someone who is equally attractive as they are.
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