ENH iSecure IT Administrator Interview Questions and Answers

CCTV stands for Closed Circuit Television.

• CCTV is a video surveillance system used for security purposes.

• It consists of cameras, monitors, and recording devices.

• CCTV footage can be used as evidence in legal proceedings.

• CCTV is commonly used in public places like airports, banks, and shopping malls.

OTDR stands for Optical Time Domain Reflectometer.

• OTDR is a device used to test and troubleshoot fiber optic networks.

• It sends a pulse of light into the fiber and measures the time and intensity of the reflected signal.

• This information is used to locate faults and determine the quality of the fiber.

• OTDRs are commonly used by network technicians and engineers.

• Example brands of OTDRs include Fluke Networks, EXFO, and Anr

A protocol is a set of rules that governs the communications between computers on a network.

• A protocol is a set of rules that governs the communications between computers on a network.

• It defines the format and sequence of messages exchanged between devices.

• Examples of protocols include TCP/IP, HTTP, FTP, and SMTP.