Cisco Enterprise Network Core Technologies (ENCOR) 2025 – 400 Free Practice Questions to Pass the Exam

The parabolic antenna is the most effective type for satellite communication due to its ability to focus and direct radio waves. This design features a reflective surface shaped like a parabola, allowing it to collect signals from a specific direction and concentrate them onto a focal point where the feed antenna is located. This configuration greatly enhances the antenna's gain, meaning it can effectively receive weak signals from satellites that are often located thousands of kilometers away.

The parabolic shape also minimizes interference by directing signals specifically to and from the satellite, making it highly efficient for both transmission and reception. Moreover, parabolic antennas are known for their narrow beamwidth, which increases the precision of the communication link with the satellite, ensuring a strong and reliable signal.

In contrast, while patch antennas and Yagi antennas have their own respective applications, they lack the necessary gain and focused directionality required for effective satellite communication. Patch antennas, being relatively low-gain and more suited for short-range applications, do not provide the necessary reach or signal clarity for satellite links. Yagi antennas, although directional, are designed for terrestrial applications and are generally not optimal for the long-distance requirements of satellite communications. Omni antennas provide 360-degree coverage but lack the directed focus and high gain needed to communicate effectively with