RCDD Test TDMMV14 | 100% Correct Answers | Verified | Latest 2024 Version

Which of these cables is considered immune to electromagnetic interference? A) Optical Fiber B) Balanced Twisted-Pair C) Coaxial - A) Optical Fiber Reference: TDMM, 14th edition, page 2-37 Which of the following terms describes the transmission of signals in both directions at the same time? A) Simplex B) Half-duplex C) Full duplex - C) Full Duplex TDMM, 14th edition, page 1-39 Which of the following terms refers to signal interference between cable pairs? A) Crosstalk B) Impedance C) Delay skew D) Power Loss - A) Crosstalk TDMM, 14th edition, page 1-54Series-6 and Series-11 coaxial cables have a characteristic impedance of ___ ohms. A) 25 B) 75 C) 100 D) 150 - B) 75 TDMM, 14th edition, page 6-24 Balanced twisted-pair cables have a nominal characteristic impedance of ________ ohms at 100 MHz. A) 25 B) 75 C) 100 D) 150 - C) 100 TDMM, 14th edition, page 1-57 Which of the following sets the standard for comparing the conductivity of metallic cabling? A) Copper B) Gold C) Silver D) Aluminum - A) Copper TDMM, 14th edition, page 1-3, Table 1.1Which optical fiber interface features an SFF design and has a simplex connector that can be converted to a duplex using a clip? A) LC-style optical fiber connector B) ST-style optical fiber plugs C) SC-style optical fiber plugs - A) LC-style optical fiber connector TDMM, 14th edition, page 6-81 What are the two most popular sized cores in multimode optical fiber? A) 8 μm to 11 μm B) 50 μm to 125 μm C) 62.5 μm and 50 μm D) 100 μm and 250 μm - C) 62.5 μm and 50 μm TDMM, 14th edition, page 6-16 Which type of optical fiber has a small diameter featuring a core of 8 μm to 11 μm? A) OS2 B) OM3 C) OM4 D) OM5 - A) OS2 TDMM, 14th edition, page 6-14 What are the two major classifications of optical fiber?A) Multimode and singlemode B) LED and VSCEL C) Inside plant (ISP) and outside plant (OSP) D) Backbone and horizontal - A) Multimode and singlemode TDMM, 14th edition, page 1-98 There should be a minimum of ____ telecommunications room per floor. A) No minimum is required B) 1 C) 2 D) 3 - B) 1 TDMM, 14th edition, page 3-19 Multiple telecommunications rooms (TRs) are required if the cable length between the horizontal cross-connect/floor distributor (HC/FD) and the telecommunications outlet location, including slack, exceeds ___________. A) ≈15 m (50 ft) B) ≈30.5 m (100 ft) C) ≈45.8 m (150 ft) D) ≈90 m (295 ft) - D) ≈90 m (295 ft) TDMM, 14th edition, page 3-21 What is the maximum area that a single telecommunications enclosure (TE) can cover?A) ≈334 m² (3600 ft²) B) ≈465 m² (5000 ft²) C) ≈743 m² (8000 ft²) D) ≈929 m² (10,000 ft²) - A) ≈334 m² (3600 ft²) TDMM, 14th edition, page 3-27 Which of the following connects a telecommunications room (TR) to the work area? A) Horizontal cabling B) Backbone cabling C) Outside plant cabling - A) Horizontal cabling TDMM, 14th edition, page 5-5 What is the minimum amount of space that should be allocated for the equipment room(ER)? A) ≈1.83 m (6 ft) by ≈2.6 m (8.5 ft) B) ≈2.4 m (8 ft) by ≈2.74 m (9 ft) C) ≈3 m by ≈4.9 m (10 ft by 16 ft) D) ≈3.7 m (12 ft) and ≈4.6 m (15 ft) - C) ≈3 m by ≈4.9 m (10 ft by 16 ft) TDMM, 14th edition, page 12-18 The cable transitioning from the outside into the building can transition no more than ______ inside the building. A) ≈6.1 m (20 ft)B) ≈15 m (50 ft) C) ≈30.5 m (100 ft) D) ≈45.8 m (150 ft) - B) ≈15 m (50 ft) TDMM, 14th edition, page 12-18 Which of the following is an environmentally controlled centralized space for telecommunications equipment that usually houses a main or intermediate cross-connect? A) Equipment room (ER) B) Entrance facility (EF) C) Telecommunications room (TR) D) Telecommunications enclosure (TE) - A) Equipment room (ER) TDMM, 14th edition, page 4-1, Table 4.1 Which color represents horizontal cable? A) Blue B) Purple C) Yellow D) Brown - A) Blue TDMM, 14th edition, page 10-22, Table 10.3 What distribution system provides a connection between telecommunications spaces? A) Backbone distribution system B) Horizontal distribution systemC) Outside plant distribution system - A) Backbone distribution system TDMM, 14th edition, page 4-1 Which topology can typically be seen in a campus system where some or all of the horizontal crossconnects/floor distributors (HCs/FDs) are connected to an intermediate cross-connect/building distributor (IC/BD), which in turn, is connected to the main cross-connect/campus distributor (MC/CD)? A) Star B) Ring C) Hierarchical star D) Logical ring - C) Hierarchical star