1. What is a collection of equipment on the earth’s surface that allows communication with satellites called?
* [ ] A) Space Station
* [x] B) Earth Station
* [ ] C) Orbit Station
* [ ] D) Base Site
2. Which type of satellite is used for geo-specific positioning everywhere in the world?
* [ ] A) Communication Satellite
* [ ] B) Earth Observation Satellite
* [x] C) Navigation Satellite
* [ ] D) Weather Satellite
3. What is the altitude of a Geostationary Earth Orbit (GEO) satellite above the earth?
* [ ] A) 2,000 km
* [ ] B) 10,000 km
* [x] C) 36,000 km
* [ ] D) 50,000 km
4. Which orbit is defined as being 2,000 km or less above the earth?
* [x] A) Low Earth Orbit (LEO)
* [ ] B) Medium Earth Orbit (MEO)
* [ ] C) High Earth Orbit (HEO)
* [ ] D) Geostationary Orbit (GEO)
5. In satellite communication, the link from the satellite to the receiving earth station is known as:
* [ ] A) Uplink
* [x] B) Downlink
* [ ] C) Crosslink
* [ ] D) Sidelines
6. What does the 'G' stand for in 1G, 2G, 3G, 4G, and 5G?
* [ ] A) Ground
* [ ] B) Global
* [x] C) Generation
* [ ] D) Gigabyte
7. Which generation of cellular networks was analog and strictly voice-oriented?
* [x] A) 1G
* [ ] B) 2G
* [ ] C) 3G
* [ ] D) 4G
8. 2G digital mobile technology supported which of the following services?
* [ ] A) Voice only
* [ ] B) HD Video only
* [x] C) Voice, text, and data services
* [ ] D) 1 Gbps speed
9. What is the maximum speed typically supported by 4G networks for wireless access?
* [ ] A) 200 Kbps
* [ ] B) 3 Mbps
* [ ] C) 100 Mbps
* [x] D) 1 Gbps
10. Which technology uses many antennas on base stations to improve the quality of 5G networks?
* [ ] A) GSM
* [ ] B) CDMA
* [x] C) Massive MIMO
* [ ] D) LTE
11. What does SIM stand for in mobile communication?
* [ ] A) System Identity Module
* [x] B) Subscriber Identity Module
* [ ] C) Secure Information Module
* [ ] D) Signal Identity Mode
12. Which 2G technology uses spread-spectrum techniques to share frequency between multiple users?
* [ ] A) GSM
* [x] B) CDMA
* [ ] C) LTE
* [ ] D) 5GNR
13. LTE (Long Term Evolution) is associated with which generation of technology?
* [ ] A) 2G
* [ ] B) 3G
* [x] C) 4G
* [ ] D) 5G
14. Which mobile technology provides ultra-high speed and ultra-low latency data?
* [ ] A) GSM
* [ ] B) CDMA
* [ ] C) LTE
* [x] D) 5GNR
15. What does CCTV stand for?
* [ ] A) Central Circuit Television
* [x] B) Closed-Circuit Television
* [ ] C) Constant Current Television
* [ ] D) Captured Circuit Television
16. CCTV is commonly known as:
* [ ] A) Public Broadcasting
* [ ] B) Digital Communication
* [x] C) Video Surveillance
* [ ] D) Satellite Imaging
17. Which of the following is NOT a listed application for CCTV in the text?
* [ ] A) Crime Monitoring
* [ ] B) Disaster Monitoring
* [ ] C) Medical Monitoring
* [x] D) Entertainment Broadcasting
18. A medium-altitude satellite (MEO) orbits between:
* [ ] A) 100 and 1,000 km
* [x] B) 2,000 and 36,000 km
* [ ] C) 36,000 and 40,000 km
* [ ] D) 500 and 2,000 km
19. The exchange of voice, data, and videos through wireless networks using mobile devices is called:
* [x] A) Mobile Communication
* [ ] B) Wired Communication
* [ ] C) Fixed Communication
* [ ] D) Analog Signaling
20. Mobile phones are also known as:
* [ ] A) Static phones
* [x] B) Cellular phones
* [ ] C) Radio stations
* [ ] D) Ground stations
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