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4G LTE Essentials
Try these first, even if you're not sure. Guessing primes your brain.
An eNodeB has two links leaving toward the core. Why two, not one?
Why do towers connect to only a couple of core nodes, not all of them?
The mobility node decides to set up a bearer. How does the gateway learn about it?
Answer all 3to continue — it's OK to be wrong.