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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
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
How many main segments are there in the GPS system?
a. 1
b. 2
c. 3
d. 4
Answer: c. 3watelectronics+1
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
What does the space segment of GPS consist of?
a. Satellites
b. Smartphones
c. Cables
d. Submarines
Answer: a. Satellitesstudocu+2
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
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
The number of satellites in full GPS constellation is usually:
a. 6
b. 12
c. 24
d. 100
Answer: c. 24youtubestudocu
Which frequency is commonly used by civilian GPS receivers?
a. L1
b. S2
c. B3
d. C4
Answer: a. L1testbook+1
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Which GPS segment includes user handheld devices?
a. Space
b. User
c. Control
d. Oceanic
Answer: b. Usertestbook+1
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
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
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
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
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
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
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
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
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
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
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
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
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
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
Which layer of the OSI model relates most to GPS hardware operation?
a. Application
b. Network
c. Physical
d. Presentation
Answer: c. Physicalmcqslearn
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
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
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
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
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
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
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
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
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

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