Voice, Data, and Video- Exam Questions and Correct Answers Latest Update 2025 (Already Passed)

Voice, Data, and Video- Exam Questions and Correct Answers Latest Update 2025 (Already Passed) Structured cable system - Answers Is a system which the main components do not change Structured cable system may use: - Answers Unshielded twisted pair (UTP) cable, coaxial cable (coax), or fiber-optics cable UTP cables - Answers Cat-3 cable. Transmission rate is 16 MHz, has been used for 10 Megabit per second Cat-5e cable. Is the enhanced version of the Cat-5 cable. Transmission rates up to and exceeding 100MHz. It is used frequently for 100 Mbit/s Ethernet and sometimes for gigabitEthernet networks Cat-6 cable. Transmission rate of 250 MHz is currently the fastest copper transmission cable Cat-5 - Answers Is no longer recognized by TIA/ EIA Cat-6a & Cat-7 - Answers are being considered for higher performance Video cables - Answers Normally RG6 coax types (RG means radio guide) RG6 tri-shield and quad-shield - Answers Are the most common Structured Cabling Systems are divided into 5 subsystems - Answers 1. Campus backbone subsystem 2. Equipment room subsystem 3.Riser subsystem 4. Horizontal cabling subsystem 5. Work area subsystem Campus backbone subsystem - Answers Minimum Clearance for telecom cable: - Answers 40" from all power cable 12" away from traffic signal Equipment room subsystem - Answers Riser subsystem - Answers Horizontal cabling subsystem - Answers Support structure for a horizontal subsystem - Answers Can consists of J-hooks, Bags, Bridal rings, ladder racks Work area subsystem - Answers Note 1 : - Answers Any common pathway used for both telecom and power distribution must be equipped with a barrier. When a metal metal is used, it must be bonded to the ground The following are general safe distance clearances for telecom cable: - Answers 5" away from fluorescent lights 12" away from conduit and cables used for electrical distribution 48" from motors and transformers The video cable used in new installation is normally _____________ . - Answers D. RG6 A structured cabling subsystem that connects building together in a multi-building environment is called a(n) ______________ . - Answers C. Campus backbone Campus straight conduit runs should have pull boxes installed no more than ___________. - Answers C. 140' apart Label conduit for a campus backbone within ____________ of the termination point. - Answers B. 12 Telecom cables in an ER or TR subsystem should be kept at least ___________ from electrical conduit or cable. - Answers Riser pathway should run perpendicular to and be placed at least ____________ from fluorescent lighting - Answers A. 5" Vertical cabling spans exceeding 30' in riser support subsystem must be supported in ___________ . - Answers C. 30' increments When installing horizontal ER/TR/MC sleeves, a minimum of _____________ must be provided between ER/TR/MCs and the horizontal subsystem. - Answers A. 3" RJ45 connectors used for 4-pair UTP are identified as ______________ . - Answers D. 8P8C connectors The minimum size grounding conductor for fiber- optic cable is ____________. - Answers C. No. 14 AWG. Per NEC Section 770.100(A)(3) Structured cabling systems may use unshielded twisted pair (UTP) cable, coaxial cable, or ___________ cable. - Answers