MCQs

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1. What is the main purpose of the Global Positioning System (GPS)?
   a. Sending emails
   b. Determining location and time
   c. Making phone calls
   d. Watching videos
   Answer: b. Determining location and timetestbook
2. Which organization originally developed GPS?
   a. NASA
   b. Google
   c. United States Department of Defense (DoD)
   d. Microsoft
   Answer: c. United States Department of Defense (DoD)testbook+1
3. How many main segments are there in the GPS system?
   a. 1
   b. 2
   c. 3
   d. 4
   Answer: c. 3watelectronics+1
4. Which of the following is NOT a GPS segment?
   a. Space segment
   b. User segment
   c. Oceanic segment
   d. Control segment
   Answer: c. Oceanic segmenttestbook+1
5. What does the space segment of GPS consist of?
   a. Satellites
   b. Smartphones
   c. Cables
   d. Submarines
   Answer: a. Satellitesstudocu+2
6. The ground-based stations responsible for monitoring and managing satellites form which GPS segment?
   a. Space segment
   b. Control segment
   c. User segment
   d. Oceanic segment
   Answer: b. Control segmentwatelectronics+2
7. Who makes up the user segment in GPS?
   a. Satellites
   b. Ground stations
   c. All GPS device users
   d. Underwater drones
   Answer: c. All GPS device usersstudocu+2
8. The number of satellites in full GPS constellation is usually:
   a. 6
   b. 12
   c. 24
   d. 100
   Answer: c. 24youtubestudocu
9. Which frequency is commonly used by civilian GPS receivers?
   a. L1
   b. S2
   c. B3
   d. C4
   Answer: a. L1testbook+1
10. What does ‘trilateration’ mean in the context of GPS?
    a. Using three satellites to determine position
    b. Using three satellites to send data
    c. Encrypting data three times
    d. Charging three devices
    Answer: a. Using three satellites to determine positionmcqslearnyoutube
11. For a GPS receiver to calculate an accurate 3D position (latitude, longitude, and altitude), how many satellites are typically needed?
    a. 1
    b. 2
    c. 3
    d. 4
    Answer: d. 4youtube
12. What is GPS “jamming”?
    a. Improving GPS signals
    b. Blocking GPS signals with interference
    c. Enhancing accuracy
    d. Boosting battery life
    Answer: b. Blocking GPS signals with interferenceeverythingrf+2
13. What is GPS “spoofing”?
    a. Sending actual GPS signals
    b. Replacing real GPS signals with fake ones
    c. Repairing GPS satellites
    d. Encrypting GPS data
    Answer: b. Replacing real GPS signals with fake onespositioningservices.trimble+4
14. Which type of attack tricks a GPS receiver into believing it’s at a false location?
    a. Jamming
    b. Spoofing
    c. Encryption
    d. Diversion
    Answer: b. Spoofinggokulamseekias+4
15. Why is GPS important in cybersecurity?
    a. It is used to encrypt email messages
    b. It helps detect unauthorized device location changes
    c. It blocks viruses
    d. It stores passwords
    Answer: b. It helps detect unauthorized device location changesokta+2
16. What is the main defense against GPS jamming?
    a. Use stronger batteries
    b. Use anti-jamming technology
    c. Open new apps
    d. Use a password
    Answer: b. Use anti-jamming technologyeverythingrf+1
17. What can attackers accomplish using GPS spoofing?
    a. Track email usage
    b. Make a device report a wrong or fake location
    c. Change a device password
    d. Increase system speed
    Answer: b. Make a device report a wrong or fake locationpwonlyias+4
18. Which of the following is NOT a use of GPS in everyday life?
    a. Navigation apps
    b. Online banking
    c. Vehicle tracking
    d. Surveying land
    Answer: b. Online bankingwatelectronicsyoutube
19. What type of satellites are used in GPS?
    a. Geosynchronous Earth Orbit (GEO)
    b. Medium Earth Orbit (MEO)
    c. Low Earth Orbit (LEO)
    d. Sun-synchronous Orbit (SSO)
    Answer: b. Medium Earth Orbit (MEO)scribd
20. What is “DGPS” (Differential GPS) used for?
    a. To reduce GPS accuracy
    b. To improve GPS accuracy
    c. To send emails
    d. To block GPS signals
    Answer: b. To improve GPS accuracytestbook
21. Which of the following is a common factor affecting GPS accuracy?
    a. Number of satellites visible
    b. Battery percent
    c. Phone color
    d. App version
    Answer: a. Number of satellites visiblemcqslearn+1
22. What does C/A code stand for in GPS?
    a. Civilian Access code
    b. Controlled Authority code
    c. Continuous Access code
    d. Civilian Application code
    Answer: a. Civilian Access codeeverythingrf
23. Why are signals from GPS satellites so weak when they reach Earth?
    a. Satellites are small
    b. They have limited energy
    c. They travel very long distances
    d. They use low-frequency waves
    Answer: c. They travel very long distancespositioningservices.trimble+1
24. In cybersecurity, why might a company track device locations using GPS?
    a. To manage screen brightness
    b. To detect unauthorized movements or theft
    c. To update software
    d. To fill out forms
    Answer: b. To detect unauthorized movements or theftokta+1
25. What is the term for blocking legitimate GPS signals using stronger signals in the same frequency?
    a. Hacking
    b. Encryption
    c. Jamming
    d. Logging
    Answer: c. Jamminggokulamseekias+2
26. Which GPS segment includes user handheld devices?
    a. Space
    b. User
    c. Control
    d. Oceanic
    Answer: b. Usertestbook+1
27. In GPS, what is the “navigation message”?
    a. Voice recording
    b. Data telling receiver satellite positions and timing
    c. GPS receiver location
    d. Music file
    Answer: b. Data telling receiver satellite positions and timingwatelectronics+1
28. What is Selective Availability (SA) in GPS?
    a. A way to give GPS signal to all
    b. An intentional degradation of public GPS accuracy
    c. A signal boosting technique
    d. An anti-spoofing method
    Answer: b. An intentional degradation of public GPS accuracyscribd
29. What role does GPS play in mobile device security?
    a. Providing screen lock
    b. Verifying user location for access
    c. Encrypting memory
    d. Cleaning browser history
    Answer: b. Verifying user location for accesspwonlyias+2
30. GPS “anti-spoofing” technologies are designed to:
    a. Make devices faster
    b. Detect and prevent fake GPS signals
    c. Increase satellite speed
    d. Reduce battery usage
    Answer: b. Detect and prevent fake GPS signalspositioningservices.trimble+2
31. Which of these can make GPS signals unreliable?
    a. Weather conditions
    b. Tall buildings
    c. Dense forests
    d. All of the above
    Answer: d. All of the abovewatelectronics
32. GPS receivers calculate distance to satellites by measuring:
    a. Signal color
    b. Signal travel time
    c. Signal brightness
    d. Satellite weight
    Answer: b. Signal travel timeyoutubemcqslearn+1
33. Which navigation service is available to all GPS users worldwide at no cost?
    a. Precise Position Service
    b. Standard Position Service (SPS)
    c. Ultimate Position Service
    d. Doppler Position Service
    Answer: b. Standard Position Service (SPS)scribd
34. Which code is reserved for military and authorized users?
    a. P(Y) code
    b. C/A code
    c. S code
    d. N code
    Answer: a. P(Y) codeeverythingrf+1
35. What is a primary risk of GPS spoofing in transportation?
    a. Better fuel efficiency
    b. Vehicles may be misrouted or lost
    c. Faster travel times
    d. No impact
    Answer: b. Vehicles may be misrouted or lostokta+2
36. What does the GPS Control Segment do?
    a. Updates device software
    b. Monitors and maintains satellites
    c. Encrypts signals
    d. Analyzes terrain
    Answer: b. Monitors and maintains satellitesstudocu+2
37. In cybersecurity, what is a “geofence” related to GPS?
    a. A fence with a gate
    b. A virtual boundary defined by GPS coordinates
    c. An electric shock boundary
    d. An app for fences
    Answer: b. A virtual boundary defined by GPS coordinatesokta+1
38. Which attack could cause systems to lose knowledge of their true location?
    a. Jamming and spoofing
    b. Phishing
    c. Ransomware
    d. Sniffing
    Answer: a. Jamming and spoofingpwonlyias+3
39. Which statement is TRUE about GPS signals?
    a. Always encrypted for everyone
    b. Civilian signals are open and published
    c. Signals only work indoors
    d. All signals are top secret
    Answer: b. Civilian signals are open and publishedscribd+2
40. One primary use of GPS in cybersecurity is to:
    a. Block all internet connections
    b. Monitor asset locations for unauthorized movement
    c. Increase CPU speed
    d. Clean memory
    Answer: b. Monitor asset locations for unauthorized movementpwonlyias+2
41. Which layer of the OSI model relates most to GPS hardware operation?
    a. Application
    b. Network
    c. Physical
    d. Presentation
    Answer: c. Physicalmcqslearn
42. Which of the following is a direct threat to GPS availability?
    a. Password guessing
    b. Jamming signals
    c. Changing background wallpaper
    d. App uninstalling
    Answer: b. Jamming signalsgokulamseekias+2
43. What is “time synchronization” in GPS used for?
    a. Setting wallpapers
    b. Aligning system clocks for communication
    c. Boosting photos
    d. Charging the device
    Answer: b. Aligning system clocks for communicationyoutubetestbook+1
44. How does GPS help prevent device misuse in an organization?
    a. By frying device circuits
    b. By logging location data and restricting use in unauthorized places
    c. By increasing speaker volume
    d. By printing passwords
    Answer: b. By logging location data and restricting use in unauthorized placeseverythingrf+1
45. What type of GPS service can be denied to unauthorized users?
    a. Precise Position Service (PPS)
    b. Standard Position Service (SPS)
    c. Geo-location Service
    d. Mobile Tracking Service
    Answer: a. Precise Position Service (PPS)scribd
46. What is the function of GPS in fleet management for cybersecurity?
    a. Music playback
    b. Tracking and monitoring vehicles for suspicious movement
    c. Changing tires
    d. Refueling
    Answer: b. Tracking and monitoring vehicles for suspicious movementokta+2
47. In a GPS attack, what is “overpowering legitimate signals” known as?
    a. Encryption
    b. Jamming
    c. Anti-virus
    d. Decryption
    Answer: b. Jammingpositioningservices.trimble+2
48. A GPS receiver can detect location with a minimum of how many satellites for a simple 2D fix (latitude, longitude)?
    a. 1
    b. 2
    c. 3
    d. 6
    Answer: c. 3youtube
49. Why is strong GPS signal authentication important?
    a. To secure email attachments
    b. To confirm that received location data is genuine
    c. To improve graphics
    d. To save battery
    Answer: b. To confirm that received location data is genuinepwonlyias+2
50. What do organizations use to alert them about suspicious device movement based on GPS?
    a. GPS-based geofencing and alerts
    b. GPS-based timers
    c. Screen recorders
    d. Speaker systems
    Answer: a. GPS-based geofencing and alertseverythingrf+1

1. https://testbook.com/question-answer/global-positioning-system-gps-uses–60767f3cf7e44d38b51e4201
2. https://testbook.com/objective-questions/mcq-on-global-positioning-systems–6458a445cc3dab39ce1a1c11
3. https://www.watelectronics.com/mcq/gps/
4. https://www.studocu.com/in/document/university-of-solapur/llb-first-year-notes/gps-multiple-choice-questions-and-answer/35704273
5. https://www.youtube.com/watch?v=VIdcqfFLAqc
6. https://mcqslearn.com/cs/computer-networks/global-positioning-system.php
7. https://www.everythingrf.com/community/what-is-the-difference-between-gps-jamming-and-spoofing
8. https://positioningservices.trimble.com/blog/positioning/en-US/article/understanding-gps-jamming-versus-gps-spoofing
9. https://gokulamseekias.com/prelims-c-a/science-technology/gps-interference-gps-spoofing/
10. https://www.okta.com/identity-101/gps-spoofing/
11. https://pwonlyias.com/editorial-analysis/gps-spoofing-jamming/
12. https://www.scribd.com/document/534338461/14-GPS-MCQ-Questions
13. https://testbook.com/objective-questions/mcq-on-surveying–6458a4367bb0f9334173b2e3
14. https://www.scribd.com/document/457000171/gps-objective-questions-all-units
15. https://www.sanfoundry.com/surveying-questions-answers-gps-surveying-techniques/
16. https://www.skilr.com/global-positioning-system-gps-free-practice-test
17. https://www.sanfoundry.com/surveying-exam-questions-answers/
18. https://www.scribd.com/document/612119261/gps-mcq-s-set-1
19. https://www.youtube.com/watch?v=_FeAsdv2HoE
20. https://www.youtube.com/watch?v=-nJ7NmAw59Q