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Assertion (A): The asymmetry between ingress and egress charging tends to keep data where it lands.
Reason (R): Data entering is usually free while data leaving is charged.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Both are true and the reason gives the mechanism, and it is a commercial rather than a technical reason for the difficulty of moving between providers. Charging shapes architecture. Ingress is generally free while egress is not.

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