What is the compression ratio for a 1-MB image that is compressed to 128KB?a. 1:1b. 2:1c. 4:1d. 8:1e. 16:1 A technique that uses a mathematical calculation to create missing
Plenum-rated wire must always be used for all access control devices.a. Trueb. False Which type of wire should be used for a request-to-exit (REX) motion detector?a. 16/2b. 22/4c. 22/6
Ron Nelson is the director of technical services for Mutual Central Alarm Services Inc., New York. He has more than 36 years’ experience in the security industry and can be
A digital alarm communicator transmitter (DACT) shall seize the telephone line when it is required to transmit a signal.a. Trueb. False A fire alarm system utilizing a DACT shall
All wireless network devices are interchangeable.a. Trueb. False What type of cable should be used for a 100 Mbps Ethernet data network?a. 18/2b. Cat 3c. Cat 5ed. Any of
Video verification images can be sent via:a. POTS lines.b. broadband connection.c. GSM cell phones.d. Any of the abovee. None of the above Verified alarms can result in:a. lower false
Ron Nelson1. All commercial fire alarm initiating devices must be listed by the National Fire Protection Association (NFPA). a. True b. False2. What frequency do in-house fire alarm
Any dual detector can be used for outdoor protection.a. Trueb. False Outdoor photoelectric detectors use dual beams to:a. increase range.b. overcome the effect of bright sunlight.c. reduce false alarms.d.
All remote controls for a home theater/automation system use infrared to transmit commands to the receiver.a. Trueb. False What type of transmission media can be used for home control
