Questions Which of the following are features of a well-designed wireless mesh network?a. Self healingb. Redundancyc. Self configuringd. All of the abovee. None of the above Wireless mesh networks can

1. Which of the following is referred to as the National Electric Code? a. NFPA 70 b. NFPA 72 c. NFPA 101 d. UL 681 e. UL 827 2. Which

5-Minute Tech Quiz1. AC3 is another name for Dolby Digital. a. True b. False 2. Which speaker is primarily used for dialog? a. Center b. Tweeter c. Subwoofer d. None

5-Minute Tech Quiz1. Metadata information is used by analog CCTV cameras to provide line sync. a. True b. False 2. Which of the following is an example of video analytics?

The local authority having jurisdiction (AHJ) makes the final determination on appropriate fire alarm installations. a. True b. False When designing a fire alarm system, which national code should

Magnetic stripe access cards are more secure than proximity-based credentials. a. True b. False HSPD-12 was issued to establish a standard for: a. operation of access control software. b.

Which of the following common construction materials can ultrasonic units penetrate? a. Glass b. Metal c. Sheet rock d. Wood e. All of the above f. None of the

The electric property that represents the electrical “pressure” across two points in a circuit is called:a. current.b. resistance.c. voltage.d. power. The electric property that represents the amount of electricity

Which of the following is not an example of a rechargeable battery?a. Sealed lead acidb. Ni-cadc. Lithium iond. Zinc carbon A transformer is used to:a. convert AC voltage to

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