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C If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB B The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuation of...

If the input signal power to a communication system is 1 W and the output power is 1 mW, the system attenuation is: A. 3 dB B. 20 dB C. 30 dB D. 40 dB E. 1000 dB C. 30 dB The signal at the input to a balanced twisted pair cable is 10 mW. The cable is 1000 feet long and has an attenuat...

RCDD TEST TDMMV14 WITH VERIFIED SOLUTIONS ALREADY GRADED A+ 2024

(Chapter 1: Principles of transmission) Synchronous is performed by synchronizing the data bits in phase or in UNISON with equally spaced clock signals or pulses. No start stop signals. (Pg. 1-43) (Chapter 1: Principles of transmission) Asynchronous Carries start and stop signals and popula...

C Which of the following is an advantage of loose-tube fiber optic cable? A - a greater impact resistance for individual fiber strands B - smaller bend radius C- Greater tensile strength D - A smaller weight per unit 8268 6-23 D Which of the following is an advantage to tight buffe...

What is the frequency for smart cards? 13.56 MHz The distances that a CCTV signal may be run are determined by what? 1. Signal strength at the source 2. Required signal strength 3. Signal loss over the distance What are the most commonly controlled conditions in HVAC systems? 1. P...

RCDD 12TH EDITION CHAPTER 9 WITH VERIFIED CORRECT ANSWERS ALREADY GRADED A+

B The GEC for the main electrical service entrance for a building is 4 AWG [5.2 mm (0.20 in). What should be the size of the bonding conductor that is 50 m (164 ft) in length? A - 1 AWG [7.3 mm (0.29 in) B - 3 AWG [5.8 mm (0.23 in) C - 4 AWG [5.2 mm (0.20 in) D - 6 AWG [4.1 mm (0.16 in) Pa...

electrical conductor Any material that can carry an electrical charge from one point to another ITS Information technology systems ITS wire and cable materials Copper, copper-covered steel, high-strength copper alloys, aluminum Copper Conductor Sets the standard for comparin...

A backbone star topology shall have no more than Two levels of cross-connections Connection between any two HC's (FD's) shall not pass through more than Three cross-connections Direct connections between TR's are allowed if Backbone distribution system is expected to meet the req...

What city benefited first from construction of Hoover Dam on the Colorado River? Las Vegas Who wrote the book Cadillac Desert? Marc Reisner Who was John Wesley Powell? Explorer who was the first to go down the Colorado River Who was Floyd Dominy? Commissioner of the US Burea...

Low Value This is the preferred value for Insulation resistance High Value This is the preferred value for Dissipation factor Low Value This is the preferred value for Dielectric Strength High Value This is the preferred value for Dielectric Constant Common Mode noise...

1. Local authority having Jurisdiction (AHJ) enforces the codes and standards 2. Purpose of codes safeguarding of persons and property, quality of construction 3. Codes when adopted by AHJ are law 4. Local AHJ take presedent over the most restrictive code asked EIA to...

Question Correct Answer An optical fiber cable with a bandwidth performance of 1500 MHz·km at 850 nm (overfilled launch), 2000 MHz·km at 850 nm (restricted mode launch), and 500 MHz·km at 1300 nm would be classified as: OM3 For telecommunications spaces that contain active equipme...