CompTIA Security+ Certification SY0-601: The Total Course - Connecting to Dedicated and Mobile Systems

The video tutorial covers various wireless technologies such as GPS, infrared, and cellular communication. It explains the workings and security implications of GPS, the role of cellular networks, and the transition to 5G technology. Additionally, it discusses Wi-Fi Direct and mobile device tethering, highlighting their uses and potential security concerns.

Which wireless technology is considered legacy and requires line of sight for operation?

• Infrared

• NFC

• Bluetooth

• Wi-Fi

What is the primary method used by GPS to determine the location of an object?

• Signal reflection

• Triangulation

• Frequency modulation

• Direct line of sight

What should be done to ensure smartphone security regarding GPS?

• Share GPS data with all apps

• Use GPS only indoors

• Disable GPS when not needed

• Always enable GPS

What type of frequencies are used for cellular communication?

• Ultrasound frequencies

• Visible light frequencies

• Narrowband and broadband frequencies

• Infrared frequencies

What is the main advantage of broadband frequencies?

• Single transmission capability

• Multiple simultaneous transmissions

• Limited range

• Higher power consumption

What is a significant change in 5G technology compared to 4G?

• Use of analog signals

• Higher transmission rates

• Larger signal range

• Fewer cell towers needed

What is the typical range of a 4G cell tower?

• 6.2 miles

• 1.2 kilometers

• 2 kilometers

• 10 miles

What is Wi-Fi Direct primarily used for?

• Peer-to-peer device communication

• Connecting to the internet

• Boosting cellular signals

• Encrypting data transmissions

Which technology allows a smartphone to act as a wireless router?

• NFC

• Bluetooth

• Mobile tethering

• Wi-Fi Direct

What is the term for a malicious Wi-Fi hotspot that mimics a legitimate one?

• Spoofed network

• Rogue access point

• Phishing hotspot

• Evil twin