A network engineer has connected the storefront with the maintenance shed on the other side of a golf course using 802.11 wireless bridges and omnidirectional antennas.
However, the signal strength is too weak.
Which of the following is the MOST efficient and cost-effective solution to solve the issue?
A . Replace the omnidirectional antennas with unidirectional antennas.
B . Put protective enclosures around the omnidirectional antennas to prevent damage from golf balls.
C . Replace the 802.11 wireless standard and use GSM instead.
D . Replace the wireless bridges with wireless routers.
Answer: A