CFHP Exam 2021 Revision Part A 1 of 10 This part of a PON system is located at the central office EDFA FDH OLT ONT 2 of 10 Products which fall into this category include splitters, filters, and WDMs A.
CFHP Exam 2021 Revision Part A: of 10: This part of a PON system is located at the central office EDFA FDH OLT ONT of 10: Products which fall into this category include splitters, filters, and WDMs Active devices Active Ethemet Optical switches Passive devices of 10: This single-mode fiber is specified by the ITU and IEEE for FTTH outside plant installations G.654 G.652 G.657 G.655 of 10: This part of a PON system is located at the user's home or business ONT EDFA OLT FDH of 10: What is the theoretical attenuation level of a 1:32 optical splitter? 12 dB dB dB 15 dB of 10: When planning for cable slack storage and cable bend radius requirements after the cable has been installed, what bend radius value should the designer use X its Outside Diameter 10 X its Outside Diameter 20 X its Outside Diameter 15 X its Outside Diameter of 10: Which of the FTTH standards provides dedicated bandwidth to each subscriber? EPON G-PON B-PON Active Ethernet of 10: Which of the following is an example of symmetrical transmission? RF video at 1550 nm downstream with the return path at 1550 nm upstream 622 Mb/s downstream/155 Mb/s upstream 1G downstream/1G upstream G-PON downstream and EPON upstream of 10: When designing a FTTH system, the designer must decide to use either an Active Ethernet system or a based PON Wireless RFOG Multimode 10 of 10: All designers of fiber optic based systems must address three critical properties of fiber optics for proper operation Other than attenuation and dispersion what is the third critical property? Reflectance Color codes Eye pattern Modal dispersion Part B This part of the Certified Fiber to the Home Professional (CFHP) Online Exam consists of 65 questions to be completed Question of 65 Which of the following video transmission formats requires the highest bandwidth? SDTV HDTV UHDTV EDTV Question of 65 Which of the following is an active device? Distributed Feedback Laser Wavelength Blocker Optical Splitter Wavelength Division Multiplexer Question of 65 This function in the G.984 standard allows the transmission of both cells and packets What is it called? G-PON Encapsulation Method (GEM) Wavelength Division Multiplexing (WDM) Forward Error Correction (FEC) Digital Signal Processing Question of 65 An L or SC connector with a green housing commonly indicates which of the following? Single-mode UPC Multimode GHC Single-mode APC None of the above Question of 65 What defines a fiber optic active device? It has no attenuation It has moving parts It requires electrical power It is defined by the ITU G.671 specification Question of 65 This outside plant product is also called a pedestal Fiber Access Terminal Fiber Distribution Hub Optical Entrance Enclosure Multiport Service Terminal Question of 65 If future use of coarse wavelength division multiplexing is planned for transmission in the E-band, what fiber should be specified? G.655 G.652 G.652D G.657 Question of 65 Download speed improves when more _ is available Laser Type Bandwidth Audio Splitter Ratio Attenuation Question of 65 This band specified in the legacy FTTx standards specify the optical spectrum where RF video distribution is transmitted Enhancement Band Basic Band Intermediate Band O-Band Question 10 of 65 Which type of dispersion mainly affects single-mode fibers? Chromatic Material Waveguide All of the Above Question 11 of 65 Fiber optic test equipment will not test problems Bit Error Rate Dispersion Attenuation Reflectance Question 12 of 65 Maintenance cost is considered: CAPEX Both OPEX Neither Question 13 of 65 Yield and labor directly affect the of a termination regardless of the type selected? Optical Reflectance Installed Cost Slack Storage Options Attenuation Levels Question 14 of 65 The first FTTx standard issued as ITU-T G.983 defined a fiber optic PON for fiber-to-the-home networks What does the acronym PON mean? Proprietary Optical Network Planned Optical Node Passive Optical Network Plain Old Network Question 15 of 65 What instrument is used to test the OLT transmit and receive power levels? OTDR CD/PMD Tester Optical Spectrum Analyzer Optical Power Meter Question 16 of 65 What does the term "class" mean for OLT and ONTs as applied to the optical interfaces? Protocol Used Optical Power Levels Type of Compatible Interface Data Rate of the Protocol Question 17 of 65 Which of these terms defines voice, video and data communications? Active Ethernet PON Triple Play ISDN Question 18 of 65 What is the standard for the G-PON specification? FSAN ITU-T G.983 ITU-T G.984 IEEE 802.3 Question 19 of 65 What wavelength window is specified as the “original” band by the ITU? 850 nanometers 1550 nanometers 1625 nanometers 1310 nanometers Question 20 of 65 This type of panel is used to store slack cable if the ONT is not being installed Fiber Transition Terminal MST Splice Closure FAT Question 21 of 65 GIS data is helpful with ? Network planning Network construction Network maintenance All of the above Question 22 of 65 Which of these physical topologies is used for increased reliability of feeder routes? Bust Ring Point-to-Point Star Question 23 of 65 What does the acronym FTTH mean? Fiber to the Hub Fiber to the Hotel Fiber to the Headend Fiber to the Home Question 24 of 65 This ITU specified 7.5MM bend radius or better fiber type is recommended for us in MDU risers G 652.D G 655 G 657 A1 G 657 A2 Question 25 of 65 When does OPEX occur? During the design phase During the procurement phase During the operations phase During the construction phase Question 26 of 65 The Erbium Doped Fiber Amplifier (EDFA) is most often used in what type of FTTx system? 10G-PON 10G EPON WDM-PON RFoG Question 27 of 65 What needs to be taken into account when upgrades from one system to another are considered? Cable Slack Spares Mid-Entry Access Migration Plan Question 28 of 65 This standard can transmit at 10 gigabit per second downstream and either 10 or gigabit per second upstream G-PON RFoG 10G EPON B-PON Question 29 of 65 This type of loss budget works best for contractors and inspectors Optical Dispersion Not to Exceed Point to Point End to End Question 30 of 65 This product is most often used to house optical splitters in centralized splitting architectures FDH MST WDM FAT Question 31 of 65 Which is not a diagnostic for rogue mitigation? Observe LEDs on ONT Manually disconnect ONTs at the splitter location Utilize rogue detection and mitigation capabilities from the OLT EMS Disable all ONTs on the PON for transmission and reactivate one by one until the Roque condition reappears Question 32 of 65 Most splitters used in PON networks are a 1:N configuration When would a 2:N splitter be used? To compensate for latency For redundancy To reduce space in a splitter cabinet To add optical attenuation Question 33 of 65 This fiber structure enables splicing of multiple fibers at one time Ribbon Loose tube Tight buffer Multicore Question 34 of 65 As more subscribers are added to an installed FTTH system, what does this improve? Take Rate Attenuation Level User Density OPEX Question 35 of 65 The three parts of an optical fiber are: Core, Coating Kevlar™ Core, Cladding, Coating Core, Cladding, Central Member Core, Coating, Central member Question 36 of 65 PON based systems use this topology Star Point to Point Bus Ring Question 37 of 65 Which Ethernet standard used in FTTH designs was first released in 2004? SCTE 174 ITU G.983 IEEE 802.3ah ITU G.984 Question 38 of 65 Which of these is considered a network architecture? Self Healing Ring FTTH G-PON P2MP Question 39 of 65 What does the acronym FTTH mean? Fiber to the Hub Fiber to the Hotel Fiber to the Headend Fiber to the Home Question 40 of 65 This fiber is ideal for use inside FTTB installations due to its ability to handle extrinsic stresses G.653 G.652D G.657 G.671 Question 41 of 65 This specialized product has ports for use with connecting drop cables with hardened fiber optic connectors WDM FAT MST FDH Question 42 of 65 How much optical attenuation is specified in the differential optical path loss (DOPL) to account for the attenuation of an optical splitter? 10 dB 15 dB 20 dB 30 dB Question 43 of 65 What standards group publishes video compression standards? MPEG ANSI IEC SCTE Question 44 of 65 Which of these cable styles is overlashed when used in aerial OSP construction?