New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest

2. The safer , easier way to help you pass any IT exams. 1.Which characteristic is an advantage of copper based media over optical fiber cable? A. Weight B. Corrosion resistance C. Ability to handle analog signals D. Susceptibility to EMI E. Very high data rates Answer: C 2.Which is an advantage of stranded conductors over solid conductors? A. Less costly B. Simpler terminations C. Better high frequency performance D. More flexible Answer: D 3.Composite conductors, although not generally recommended, may be used in special circumstances because they provide all of the following advantages EXCEPT: A. Have good digital transmission characteristics B. Lightweight C. Inexpensive D. Easy to produce E. Easily embedded into other materials Answer: A 4.Which electrical characteristic is displayed with the correct preferred value? A. Dielectric constant – high value B. Dielectric strength – high value C. Dissipation factor – low value D. Insulation resistance - high value Answer: A 5.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 Answer: C 6.Two sinusoidal signals have the same amplitude (A) and the same frequency (f). They differ in phase by 180 degrees. If these two signals are added together, the result is a sinusoidal signal having an amplitude of: A. Zero New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest 2 / 11

3. The safer , easier way to help you pass any IT exams. B. 0.707A and a frequency of f C. A and a frequency of 2f D. 2A and a frequency of f E. 2A and a frequency of 2f Answer: A 7.Which of the following correctly lists the lowest frequency band to the highest frequency band? A. MF, HF, VHF, UHF B. UHF, VHF, HF, MF C. HF, MF, UHF, VHF D. VHF, UHF, MF, HF E. HF, MF, UHF, VHF Answer: A 8.The conversion of an analog speech signal to a pulse code modulation (PCM) digital signal involves all of the following steps EXCEPT: A. Low pass filtering B. Periodic sampling C. Quantizing D. Companding E. Amplitude modulation Answer: E 9.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 1 dB per 100 feet. This cable is connected to the input of a receiver. The noise level at the input to the receiver is 1 microwatt. What is the signal-to-noise ratio (SNR) (dB) at the receiver input? A. 10 dB B. 30 dB C. 40 dB D. 60 dB E. 100 dB Answer: B New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest 10.You must place CAT6 cable above a factory floor with automated welding machines and hammer forges. Of the following, what type of shielding would be most effective? A. Multi-layer braid B. Foil and braid C. Solid metallic conduit D. Flex metallic conduit E. Sch. 40 PVC conduit Answer: C 3 / 11

4. The safer , easier way to help you pass any IT exams. 11.Time division multiplexing (TDM) systems are designed to transport ________ between end point systems. A. Only analog signals B. Only digital signals C. A mix of both analog and digital signals D. Both analog and digital signals, but only one type at a time Answer: B 12.The public telephone system is an example of a __________ system. A. Simplex B. Half-duplex C. Full-duplex D. Purely analog E. Purely digital Answer: C 13.A reasonable approximation for the signal speed in 100 ohm balanced twisted pair cable is __________, where c is the velocity of light in free space. A. 0.2 c B. 0.4 c C. 0.6 c D. 08 c E. 0.9 c Answer: C 14.Assume that the optical power transmitted by a 62.5/125 multimode fiber is distributed uniformly across its core. If this fiber is perfectly coupled (i.e., the two fibers are aligned and abutted) to a 50/125 fiber, what is the percent of power that is lost? A. 0 percent B. 36 percent C. 50 percent D. 80 percent E. 100 percent Answer: B 15.You must place a cable between 2 equipment locations with separate grounds having a potential difference between them of 2.1 V rms. Which one of the following cables should NOT be used? A. Multimode B. Singlemode C. UTP D. STP Answer: D New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest 4 / 11

5. The safer , easier way to help you pass any IT exams. 16.A video camera has a coaxial cable output. The video signal is to be distributed to devices that have balanced twisted pair inputs. The transition between these two different transmission media can be accomplished by using a: A. Balun B. Converter C. Modulator D. Cross connect E. Transceiver Answer: A 17.Optical transmitters are typically one of the following types EXCEPT: A. Light-emitting diode (LED) B. Short wavelength laser compact disc (CD) C. Vertical cavity surface emitting laser (VCEL) D. Laser diode (LD) E. Overfilled launch (OFL) Answer: E 18.All of the following are nominal wavelengths for laser light sources EXCEPT: A. 700 nm B. 850 nm C. 1300 nm D. 1310 nm E. 1550 nm Answer: A 19.A SONET OC-1 channel can carry 672 voice signals and has a data rate of 51.84 Mbps. A SONET OC-48 channel can carry 32,256 voice channels. What MINIMUM data rate is required for the OC-48 channel? A. 155 Mbps B. 622 Mbps C. 2.5 Gbps D. 5 Gbps E. 10 Gbps Answer: C 20.Wave division multiplexing (WDM) is most similar to: A. Amplitude modulation B. Frequency modulation C. Time division multiplexing D. Frequency division multiplexing E. Carrier sense multiple access with collision detection (CSMA/CD) Answer: D New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest 5 / 11

6. The safer , easier way to help you pass any IT exams. 21.Which of the following is NOT a form of signal coupling between two (2) circuits? A. Conductive B. Inductive C. Reactive D. Capacitive E. Electromagnetic Answer: C 22.The electromagnetic spectrum of visible light lies in the ___________ frequency range of the spectrum. A. 1 GHz B. 100 GHz C. 10 THz D. 1 PHz E. 100 PHz Answer: D 23.During a site survey you notice that several CRT displays in the vicinity of the engineering copy center have sporadic visual distortion. What is the MOST likely cause? A. Electromagnetic interference (EMI) B. Radio frequency interference (RFI) C. (EMC) D. Fast transients E. Electromagnetic discharge (ESD) Answer: A 24.The potential for ______ occurs when devices or systems share a common electromagnetic environment and their operational frequencies overlap. A. Electromagnetic interference (EMI) B. (EMC) C. Radio frequency interference (RFI) D. Fast transients New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest E. Electrostatic discharge (ESD) Answer: A 25.Which of the following is an undesirable electromagnetic effect on a device(s)? A. (EMC) B. Electromagnetic interference (EMI) C. Radio frequency interference (RFI) D. Fast transients E. Electrostatic discharge (ESD) Answer: B 6 / 11

7. The safer , easier way to help you pass any IT exams. 26.You are required by architectural design to place UTP cables in the same space as unshielded power lines. How should you proceed with the placement of your cables? A. Require the architect/electrical engineer to place shielding in the space before your UTP is placed. B. You should provide a minimum separation of 610 mm (24 in). C. You should provide a minimum separation of 229 mm (9 in). D. You should provide a minimum of two 101 mm (4 in) RMC. Answer: B 27.You are placing Category 6 unshielded twisted-pair (UTP) in cable tray down a hallway past the elevator mechanical room. What action should you take to avoid effects of electromagnetic interference (EMI)? A. Provide a minimum separation of 1194 mm (47 in) B. Provide a minimum separation of 2060 mm (81 in) C. Require the architect to install metallic foil shielding on the mechanical room walls D. Provide RMC/IMC (rigid metallic conduit/intermediate metal conduit) through all areas within 4.6 m (15 ft) of the mechanical room Answer: A 28.The ability of a device to withstand electromagnetic disturbances from another device is: A. Electromagnetic interference (EMI) B. Radio Frequency Interference (RFI) C. (EMC) D. Fast transients E. Electrostatic Discharge (ESD) Answer: C 29.A common mode (CM) signal can be converted to a differential mode (DM) signal as a result of a(n): A. Unbalanced circuit B. Grounded circuit C. Poorly timed signal D. Improper dielectric material Answer: A New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest 30.You have discovered a common mode current on the metallic cable sheaths of your building riser cables. What is the MOST likely cause for you to investigate? A. Lack of cable protection B. Two separate and distinct ground references C. Improper secondary protection D. Improper physical protection of cable E. Improper placement and/or termination of cables Answer: B 7 / 11

8. The safer , easier way to help you pass any IT exams. 31.Which of the following is NOT a source of electromagnetic interference (EMI)? A. Copiers B. Transformers C. Incandescent lights D. Fluorescent lights E. Electrical power supply cable Answer: C 32.What is the recommended MINIMUM separation of unshielded twisted-pair (UTP) cables from fluorescent light fixtures? A. 77 mm (3 in) B. 30 mm (5.12 in) C. 203 mm (8 in) D. 324 mm (12.75 in) E. 483 mm (19 in) Answer: B 33.What is the testing frequency of a Category 6/Class E cable? A. 100 MHz B. 200 MHz C. 250 MHz D. 500 MHz E. 600 MHz Answer: C 34.What type of optical fiber is used primarily for outside plant (OSP) applications? A. Tight-buffer B. Loose-tube C. Breakout style D. Duplex zip cord E. Ribbon Answer: B New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest 35.There are three buildings approximately 400 meters apart and the customer wants to use 10 Gig Ethernet. What fiber should be specified for this application? A. 8 - 9 micron singlemode B. 50 micron multimode C. 50 micron laser optimized multimode D. 62.5 micron multimode Answer: A 36.What is the insertion loss guideline for a multimode mechanical splice? A. 0.05 dB 8 / 11

9. The safer , easier way to help you pass any IT exams. B. 0.1 dB C. 0.3 dB D. 0.5 dB E. 1.0 dB Answer: C 37.What is the connector of choice for Series 59, Series 6, and Series 11 applications? A. F-Style B. Bayonet Neill-Conncelman (BNC-Style) C. N-Style D. SMA E. Ultra high frequency (UHF) Answer: A 38.What is the frequency rating of an International Organization for Standardization/International Electrotechnical Commission (ISO/IEC) Category 7/Class F cable? A. 100 MHz B. 250 MHz C. 500 MHz D. 600 MHz E. 1000 MHz Answer: D 39.What is the International Organization for Standardization/International Electrotechnical Commission ISO/ IEC class rating for American National Standards Institute/Telecommunication Industry Association (ANSI/ TIA) Category 5e cable? A. Class B B. Class C C. Class D D. Class E E. Class F Answer: C New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest 40.You must extend a video systems backbone coax cable that was recently installed. Which of the following coaxial cable types would provide the best performance for both analog and digital video? A. Series 6 B. Series 11 C. RG 16 D. RG 59 E. RG 62 Answer: B 41.Which of the following is NOT a design consideration for broadband video distribution? 9 / 11

10. The safer , easier way to help you pass any IT exams. A. Amplifier link budgets B. Adhering to the 90 meter (295 feet) rule for horizontal distribution C. Amplifier cascade limitations D. Environmental factors E. Drop length Answer: B 42.The RJ-45 is now known as the 8P8C style connector, per the Telecommunications Industry Association (TIA) standard. What does the P and C stand for? A. Plug and connector B. Position and connector C. Position and contact D. Plug and contact Answer: C 43.Which of the following is true about screened twisted pair cable assemblies? A. The drain wire and screen foil must be bonded at one end only. B. The drain wire and screen foil must be bonded at every connection. C. There is no need to bond the screen foil or drain because it is not important. D. The drain wire and screen foil must be separately bonded at opposite ends. Answer: B 44.If looking to specify an optical fiber backbone within a building going 275 m (902 ft) between the equipment room (ER) and the telecommunications room (TR), what type of fiber should be specified to support a 10 GB ethernet application? A. OM1 B. 50 micron multimode C. 50 micron laser optimized multimode D. 62.5 micron multimode Answer: C 45.This type of cable is an unbalanced system: New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest A. Unshielded twisted-pair (UTP) B. Shielded twisted-pair (STP) C. Screened twisted-pair (ScTP) D. Coaxial Answer: D 46.The ability of a conductors insulation to transmit an electric field is called: A. Conductivity B. Transmitability C. Permittivity D. Capacitance 10 / 11

11. The safer , easier way to help you pass any IT exams. E. Reactance Answer: C 47.What type of fiber optic cable is manufactured to protect individual glass strands and is primarily designed for use inside buildings? A. Ribbon B. Tight buffered C. Loose tube D. Air blown Answer: B 48.You are extending 1000 MHz video service from your existing headend to a new equipment room (ER). Your existing incoming video signal is plus (+) 15 dBmV. You have three two-way splitters with a total of minus (-) 15 dB. You are adding 122 m (400 ft) of series 11 (RG 11) cable with a minus (-) 18 dB with eight single end F-connectors with a total of minus (-) 1.2 dB. From the selections below, what is the MINIMUM gain amplifier required in the headend room? A. Plus (+) 15 dB B. Plus (+) 20 dB C. Plus (+) 25 dB D. Plus (+) 30 dB E. Plus (+) 35 dB Answer: A 49.Which of the following is NOT a type of connector for optical fiber? A. LC B. ST C. SFF D. S/FTP E. SC Answer: D 50.The MINIMUM separation distance between grounded metal telecommunications pathway and unshielded power lines is: New RCDD-001 Exam Guide BICSI Certification V8.02 Killtest A. 75 mm (3 in) B. 150 mm (6 in) C. 300 mm (12 in) D. 610 mm (24 in) E. 1220 mm (48 in) Answer: C 11 / 11