Teaching EMRS Librarian Mock Test 2023 Library Science Information Technology Telecommunication & Wireless Communication
Which of the following statements accurately describes free-space optical communication (FSO)?
1
FSO employs light to transmit data wirelessly in free space, which can include air, outer space, or vacuum.
2
FSO primarily relies on solid materials such as optical fiber cables for data transmission.
3
FSO is commonly used when physical connections are feasible and cost-effective.
4
FSO technology is exclusively utilized in telecommunications and computer networking.