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BICSI Chapter 5
Copper Structure Cable Systems II
| Question | Answer |
|---|---|
| What is the maximum pulling tension of 4-pair, 24 AWG (0.51 mm, 0.020 in) balanced twisted-pair cable? a.15 pounds b.25 pounds c.35 pounds d.45 pounds | 25 pounds (111 newton). |
| What is the minimum bend radious of 4-pair, 24 AWG ( 0.51 mm, 0.020 in)cable? a.8 times the cable diameter b.10 times the cable diameter c.4 times the cable diameter | 4 times the cable diameter. |
| Pathways are classified as? a.Horizontal, Intrabuilding, and Interbuilding backbone pathways b.Backbone and horizontal c.Intrabuilding and interbuilding | Horizontal, Intrabuilding, and Interbuilding backbone pathways |
| Horizontal pathways are typically provided for the installation of cabling between? a.TRs and EFs b.TE's and EF's c.TRs and TEs | TRs or TEs and work areas |
| Intrabuilding backbone pathways normally provide access for backbone cabling between? a.TRs and EFs b.EFs and TEs c.TRs and TEs | TRs and TEs |
| Interbuilding backbone pathways connect? a.Floors b.Rooms c.Buildings c.LANs | Buildings |
| Building designs use several types of horizontal pathways, including? a.Conduit, Cable Trays, Closed-Top supports, and Structural Steel supports (e.g J-hooks) b.Conduit, Cable Trays, Open-Top supports, and Structural Steel supports (e.g J-hooks) | Conduit, Cable Trays, Open-Top supports, and Structural Steel supports (e.g J-hooks) |
| Backbone pathways may consist of _______ that connect the spaces or rooms used for backbone cables? a.Collars b.Conduit c.Sleeves d.Cable trays | Sleeves |
| When pulling conduit through a conduit it requires what kind of pulling device? a.Pull string or rope b.Pull string and snake c.Rope and cables | Pull string or rope. |
| What are the 2 prefer methods for installing the pull string or rope through the conduit? a.Fish tape b.Air-propelled devices c.Split eye d.Both a and b | Fish tape and Air-propelled devices. |
| How much does a 2400-pair, 24 AWG (0.51 mm, 0.020 in) backbone cable could weight? a.26.3Kg b.46.3Kg c.35.1Kg d.28.5Kg | As much as 46.3 kilograms per meter (21 lb/ft) |
| When verifying cable length, can a Time Domain Reflectometer (TDR) provide an accurate reading of electrical cable length? a.Yes b.No | No, a little bit shorter due to the twist of the conductors. |
| What is the bend radious for a 4-pair UTP or ScTP cable at rest or during pull? a.8 times the cable OD b.10 times the cable OD c.4 times the cable OD | 4 times the the outside cable diameter. |
| What is the bend radious for Multipair copper cable? a.8 times the cable OD b.10 times the cable OD c.4 times the cable OD | 10 times the outside cable diameter. |
| What is the bend radious for a Telecommunications Bonding Backbone (TBB) cable? a.8 times the cable OD b.10 times the cable OD c.4 times the cable OD | 8 times the outside cable diameter. |
| For vertical pathways, cabling is more easily pull from the ____ _____because gravity helps with the pull? a.Bottom up b.Top down c.Top up d.Bottom down | Top down. |
| Sometimes the reels are too large to fit through doors, or there is limited floor loading or elevator capacity. When necessity demands it, backbone cable is pulled from the _____ _____? a.Bottom up b.Top down c.Top up d.Bottom down | Top up. |
| When pulling cable, allow no more than two 90-degree bend per? a.10m b.20m c.30m d.50m | 30 m (100 ft) |
| When pulling cable, what is the maximum length of a cable segment? a.15m b.30m c.30m d.40m | 30 m (100 ft) |
| Conduit with an internal diameter of 50 mm (2 in) or less MUST maintain a bend radious of at least? a.4 times the internal conduit diameter b.6 times the internal conduit diameter c.8 times the conduit diameter d.10 times the conduit diameter | 6 times the internal conduit diameter. |
| Conduits greater than 50 mm (2 in) SHOULD maintain a bend radious of at least? a.4 times the internal conduit diameter b.6 times the internal conduit diameter c.8 times the conduit diameter d.10 times the conduit diameter | 10 times the internal conduit diameter. |
| Single conduit segments SHALL be NO more than? a.30m b.50m c.20m d.100m | 30 m (100 ft) in length, because it will increase the coefficient of friction. |
| What is the typical tensile strength range for pull strings? a.330N to 880N b.210 N to 550 N c.400 N to 950 N | 330 N (74 lb/ft) to 880 N (198 lb/ft). |
| Backbone cable in the vertical riser shaft MAY be _____ ____ ___ cable? a.Low pair-count b.High pair-count c.No pair-count | High pair-count. |
| It is absolutely critical that the winch is securely attached to the? a.Closets b. Telecommunications enclosure c.Building structure d.The ladder rack | Building structure. |
| When a pulling eye is not provided on the cable, use a? a.Tape b.Wire mesh grip c.Eye split | Wire mesh grip. |
| Intrabuilding balanced twisted-pair cable is only allowed in the? a.Horizontal cable b.Patch cables c.Backbone cable | Backbone cable. |
| Is splicing allowed in the horizontal cable? a.Yes b.No | No |
| What is the AWG for intrabuilding backbone cables? a.22 AWG b.24 AWG c.26 AWG d.20 AWG | 24 AWG (0.51 mm, 0.020 in). |
| Intrabuilding backbone cables commonly range in sizes from? a.25 to 1500 b.25 to 2100 c.25 to 2400 d.25 to 1600 | 25 to 2400 twisted-pairs. |
| Where is the first binder group of a 25 to 2400 twisted-pair cable is normally located? a.Away from the center b.Near the center of the cable c.At the edges | Near the center of the cable. |
| Cables larger than 1200 pairs are no longer group in? a.50-pair binders b.75-pair binders c.25-pair binders | 25-pair binders. |
| Cables larger than 1200 pairs are group in? a.50 pairs b.100 pairs c.200 pairs d.600 pairs | 100 pairs. |
| Single splice connectors are available in? a.Butt, Half-tap, and Straight-through b.Straight, Branch, and Butt c.In line and Foldback | Butt, Half-tap, and Straight-through. |
| Splice closures are available in? a.Butt, Half-tap, and Straight-through b.Straight, Branch, and Butt c.In line and Foldback | Straight, Branch, and Butt. |
| The two modular splicing techniques are? a.Butt, Half-tap, and Straight-through b.Straight, Branch, and Butt c.In line and Foldback | In line and Foldback. |
| Modular connector types are available in? a.Butt, Half-tap, and Straight-through b.Straight, Branch, and Butt c.In line and Foldback d.Straight, Bridge, and halaf-tap | Straight, Bridge, and Half-tap. |
| Multisplicing modules are available in? a.Butt, Half-tap, and Straight-through b.Straight, Branch, and Butt c.In line and Foldback d.Straight-through and Half-tap. | Straight-through and Half-tap. |
| What kind of modular splice technique allows maintenance, rearrangement, and transfer of the conductors? a.In line b.Foldback c.Straight d.Bridge | Foldback splice. |
| Most balanced twisted-pair cabling splicing is performed with? a.Straight connectors b.Modular connectors c.Butt connectors | Modular connectors. |
| In order to enhance the conductor organization with modular connectors? a.Single 25-pair connector modules are used on larger splices b.Multiple 25-pair connector modules are used on larger splices. | Multiple 25-pair connector modules are used on larger splices. |
| For patch cord management, it is recommended that a minimum of 1 RU of 45mm (1.75in) of horizontal cable is used for every? a.1 RU b.2 RU's c.3 RU's d.4 RU's | 2 RU’s. |
| What is the minimum inside bend radius under no stress for 4-pair UTP? a.0.50 in b.0.25 in c.0.75 in d.1 in | 6mm (0.25 in) |
| What is the minimum inside bend radius under no stress for 4-pair STP? a.1 in b.2 in c.3 in d.4 in | 50mm (2 in) |
| What is the minimum outside bend radius for 4-pair HORIZONTAL UTP? a.4 times th OD b.6 times the OD c.8 times the OD d.10 times the OD | 4 times the cable’s outside diameter. |
| What is the minimum outside bend radius for 4-pair STP? a.4 times th OD b.6 times the OD c.8 times the OD d.10 times the OD | 8 times the cable’s outside diameter. |
| What is the minimum outside bend radius for Multipair Backbone cables, either STP or UTP? a.4 times th OD b.6 times the OD c.8 times the OD d.10 times the OD | 10 times the outside diameter of the cable. |
| What is IDC? a.Isolator displacement contact b.Internal displacement contact c.Insulation displacement contact | Insulation Displacement Contact, which is a termination block. |
| What are the 4 basic types of IDC termination blocks that are used to terminate horizontal and backbobe twisted-pair cabling? a.89,110,BIX, and LSA b.66,44,BIX, and LSA c.66,110,BIX, and LSA | 66, 110, BIX, and LSA. |
| When terminating category 5e and higher, the cable twist MUST be maintained to within____ from the termination point? a. 0.5 in b.0.75 in c.0.5 in d.1 in | 13mm or 0.5in. |
| When terminating category 3 cables, the cable pair twist MUST be maintained to within____ from the termination point? a.1 in b.2 in c.3 in d.4 in | 75mm or 3in. |
| The 66-style IDC termination block has been a popular choice for connecting? a.Voice applications, and some LAN’s b.Video applications c.CATV appliations | Voice applications, and some LAN’s. |
| What style of backboards are 66-style termination blocks mounted on? a.60D and 69E b.70A and 80D c.78B ann 80C d.89B and 89D | 89B and 89D. |
| Are bridging clips are category 5e compliant? a.Yes b.No | No. |
| In what position are 66-style blocks typically mounted on backboards? a.Horizontal position b.Straight position c.Vertical position | In vertical position of 4 blocks each to accommodate up to 100-pair termination. |
| The 110-style IDC termination hardware is used in two applications? a.Video and data b.Data and CATV c.Voice and data | Voice and data. |
| 110 termination blocks assemblies are available in increments of? a.50, 200, 300 and 900 b.100, 200, 300 and 900 c.50, 100, 300 and 900 d.50, 100, 250, 900 | 50, 100, 300, and 900. |
| Are 110-style blocks designated for T568A or T568B? a.Yes b.No | No. |
| BIX termination blocks assemblies are available in increments of? a.50, 200, 300 and 900 b.100, 200, 300 and 900 c.50, 100, 300 and 900 d.50, 250, 300 and 900 | 50, 250, 300, and 900 pair increments. |
| LSA (KRONE)-style termination blocks assemblies are available in increments of? a.6 and 10 pair b.8 and 16 pair c.8 and 10 pair d.10 and 20 pair | 8 and 10 pair. |
| What is the commonly used configuration for patch panels that feature 110, BIX, and LSA termination blocks? a.6,12, and 24 ports b.12,24 and 96 ports c.12,24, and 96 ports d.12,24, and 48 ports | 12, 24, and 48 ports. |
| STP’s cables should be terminated in a? a.Modular jack b.Shielded modular jack c.Unshielded modular jack | Shielded modular jack. |
| What is the most common video connector in the industry? a.T connector b.F connector c.L connector | F connector. |
| What is the transmission rating for F connectors? a. Up to 1 GHz b.Up to 2 GHz c.Up to 3 GHz d.Up to 4 GHZ | Up to 2 GHz |
| Are F connectors compatible for satellite and video distribution? a.Yes b.No | Yes |
| What is the transmission rating for RG6, RG11, and RG59 coaxial cables? a.1 MHz b.2 MHz c.3 MHz d.4 MHz | 1 MHz |
| What is the transmission rating for Series 6 or Series 11 coaxial cables? a. Greater than 1.4 GHz b.Greater than 4.4Hz c.Greater than 2.4 GHz d.Greater than 5.4HZ | Greater than 2.4 GHz |
| While testing cabling infrastructure, what does Phase 1 cover? a.Specification and visual verification b.Testing with the various test equipment as required for each cable c.Documentation | Specification and visual verification. |
| While testing cabling infrastructure, what does Phase 2 cover? a.Specification and visual verification b.Testing with the various test equipment as required for each cable c.Documentation | Testing with the various test equipment as required for each cable. |
| While testing cabling infrastructure, what does Phase 3 caver? a.Specification and visual verification b.Testing with the various test equipment as required for each cable c.Documentation | Documentation. |
| Are all copper certification field test sets available with download software so operators can download their test results? a.Yes b.No | Yes |
| Certification test sets will test unshielded and shielded cabling systems to at least? a. 100 MHz b.250 MHz c.500 MHz d.750 MHz | 750 MHz |
| High insertion loss in copper can be caused by? a.High temperatute, Wrong grade or category of cable, Cable is too long, Incorrect b.Low temperatute, Wrong grade or category of cable, Cable is too long, Incorrect | High temperatute, Wrong grade or category of cable, Cable is too long, Incorrect equipment patch cable, and Improper terminations. |
| Insertion Loss-NEXT=? a.ACT b.ACR c.IDC d.PIC | Attenuation-to-Crosstalk Ratio (ACR) |
| What is desirable a positive or negative ACR value? a.Positive b.Negative | Positive is desirable |
| According to industry standards, what is the minimum distance between a CP and a TR? a.15m or 50ft b.20m or 66ft c.30m or 99ft d.50m or 165ft | 15 m (50 ft). |
Created by:
atilior