Which of the following is a wireless communication standard that utilizes a carrier frequency in the 2.4 GHz and 5 GHz bands?
Correct answer: A. Bluetooth
- A. Bluetooth
- B. cellular networks
- C. satellite communication
- D. infared
Explanation
Bluetooth is a short-range wireless communication standard commonly used in devices like smartphones, laptops, speakers, and headphones. It operates in the unlicensed Industrial, Scientific, and Medical (ISM) radio bands, specifically the 2.4 GHz and 5 GHz bands.
Last updated
About Networking and Internet
Networking covers LAN, MAN, WAN and wireless networks, network topologies, transmission media, devices such as switches, routers and modems, and the OSI and TCP/IP models. Internet concepts include IP addresses, DNS, URLs, web browsers, email, protocols such as HTTP, HTTPS, FTP and SMTP, and basic network security.
Practise Networking and Internet
452 free Networking and Internet MCQs from Computer Science and IT, each with the correct answer and an explanation. Unlimited attempts, no account needed.
Exams that ask Computer Science and IT questions like this
Computer Science and IT is on 40 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.