1. Ans. D) Fiber-optic leaves more room for growth, and for future needs for increased bandwidth, than thinnet does, because in the next years to come when we expand our bandwidth we will have no problem anymore.

2. Ans. C) The proposed solution delivers the required results but neither of the optional desired results,

3. Ans. B) The proposed solution delivers the required results and only one of the two optional desired results.

4. Ans. A) The proposed solution delivers the required result and both of the optional desired results.

5. Ans. A) The proposed solution delivers the required result and both of the optional desired results, because the device is typically generate a reasonable strong signal in order to prevent interferences from light sources.