MCQs

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What does the TIA/EIA 568B standard primarily specify?
a. Wireless networking protocols
b. Cabling and wiring standards for commercial building telecommunications
c. Software development guidelines
d. Routing algorithms
Answer: b
scribd+2
Which cable type is recognized under TIA/EIA 568B for twisted-pair cabling?
a. Coaxial cable
b. 50 ohm twisted pair
c. 100 ohm twisted pair
d. Fiber optic cable
Answer: c
csd.uoc
How many pairs of wires are used in a typical TIA/EIA 568B twisted-pair cable?
a. 2 pairs
b. 3 pairs
c. 4 pairs
d. 5 pairs
Answer: c
iebmedia+1
What is the maximum length allowed for horizontal cable (permanent link) in TIA/EIA 568B?
a. 50 meters
b. 90 meters
c. 100 meters
d. 120 meters
Answer: b
csd.uoc
In TIA/EIA 568B, what is the maximum length allowed for equipment jumpers?
a. 10 meters
b. 20 meters
c. 30 meters
d. 40 meters
Answer: c
csd.uoc
The TIA/EIA 568B standard supports which of the following fiber optic cable types?
a. Singlemode and multimode
b. Only singlemode
c. Only multimode
d. Plastic optical fiber
Answer: a
csd.uoc
What is the pin 1 wire color in the TIA/EIA 568B standard?
a. White/Green
b. White/Orange
c. White/Blue
d. White/Brown
Answer: b
antaira+1
How does TIA/EIA 568B differ from 568A?
a. It uses a different cable type
b. It has a different pinout arrangement of orange and green pairs
c. It only supports fiber optic
d. It has fewer standards
Answer: b
tscables+2
What type of cable is produced when one end is terminated in 568A and the other 568B?
a. Straight-through cable
b. Crossover cable
c. Rollover cable
d. USB cable
Answer: b
studocu
Which pair is assigned to pins 3 and 6 in the TIA/EIA 568B wiring scheme?
a. Orange pair
b. Green pair
c. Blue pair
d. Brown pair
Answer: a
computercablestore+1
What is the recommended maximum length for a work area patch cord in TIA/EIA 568B?
a. 3 meters
b. 5 meters
c. 7 meters
d. 10 meters
Answer: b
csd.uoc
What does the ‘568’ in TIA/EIA 568B stand for?
a. The number of wiring pairs
b. The year the standard was created
c. A standard code number assigned by TIA/EIA
d. The maximum cable length
Answer: c
scribd
What is the topology recommended for backbone cabling in TIA/EIA 568B?
a. Bus topology
b. Ring topology
c. Hierarchical star topology
d. Mesh topology
Answer: c
csd.uoc
According to TIA/EIA 568B, what measurement ensures there are no shorts, opens, or miswiring in the cable?
a. Signal strength
b. Wire map
c. Crosstalk test
d. Delay skew
Answer: b
csd.uoc
Which of these is NOT a primary test parameter specified in TIA/EIA 568B?
a. NEXT (Near-End Crosstalk)
b. Return loss
c. Signal encryption
d. Delay skew
Answer: c
csd.uoc
What cabling standard(s) does TIA/EIA 568B include?
a. Horizontal cabling
b. Backbone cabling
c. Optical fiber cabling
d. All of the above
Answer: d
csd.uoc
What does the acronym ‘PSNEXT’ stand for in relation to TIA/EIA 568B tests?
a. Power sum near-end crosstalk
b. Pair symmetrical network exchange
c. Patch segment network termination
d. Power supply network extension
Answer: a
csd.uoc
Which feature differentiates 568B from 568A in wiring color codes?
a. Blue and brown pairs swapped
b. Orange and green pairs swapped
c. Red and black pairs swapped
d. Yellow and white pairs swapped
Answer: b
antaira+1
What kind of connector termination is specified by TIA/EIA 568B for twisted pair copper cables?
a. RJ11
b. RJ12
c. RJ45
d. BNC
Answer: c
antaira+1
What organization is responsible for developing the TIA/EIA 568B standard?
a. IEEE
b. Telecommunications Industry Association (TIA)
c. International Telecommunication Union (ITU)
d. Internet Engineering Task Force (IETF)
Answer: b
scribd
What is the maximum allowable length for main cross connect jumper cables according to TIA/EIA 568B?
a. 10 meters
b. 15 meters
c. 20 meters
d. 25 meters
Answer: c
csd.uoc
What is the purpose of a MUTOA (Multi-user Telecommunications Outlet Assembly) in TIA/EIA 568B?
a. To terminate backbone cables
b. To allow flexible office reconfiguration
c. To provide power to devices
d. To boost network signals
Answer: b
csd.uoc
How many levels of cross-connects are allowed between backbone and horizontal cross connects in TIA/EIA 568B?
a. One
b. Two
c. Three
d. Four
Answer: b
csd.uoc
In TIA/EIA 568B, what cable category introduced support for Gigabit Ethernet?
a. Cat 3
b. Cat 5e
c. Cat 6
d. Cat 1
Answer: b
scribd+1
What color pair is connected to pins 4 and 5 in TIA/EIA 568B?
a. Orange
b. Green
c. Blue
d. Brown
Answer: c
computercablestore
What is the recommended grounding and bonding standard to follow with TIA/EIA 568B installations?
a. ANSI/TIA/EIA 607
b. IEEE 802.3
c. NEC 2014
d. ISO/IEC 11801
Answer: a
csd.uoc
What is the significance of ‘insertion loss’ in TIA/EIA 568B testing?
a. It measures cable length
b. It measures signal attenuation due to connectors and cable
c. It detects wire mapping issues
d. It quantifies electromagnetic interference
Answer: b
csd.uoc
Which ANSI/TIA/EIA document specifically covers optical fiber standards complementary to 568B?
a. 568-B.1
b. 568-B.2
c. 568-B.3
d. 568-B.4
Answer: c
csd.uoc
In terms of cabling, what does ‘delay skew’ mean as per TIA/EIA 568B?
a. Time difference in signal arrival between pairs
b. Cable length
c. Electromagnetic interference
d. Crosstalk between pairs
Answer: a
csd.uoc
The ANSI/TIA/EIA 568B standard provides backward compatibility to which wiring scheme?
a. USOC single pair only
b. USOC single and two pair (only 568A)
c. USOC single pair only (568B)
d. No backward compatibility
Answer: c
antaira
What is the physical format for a work area outlet in twisted pair according to TIA/EIA 568B?
a. BNC
b. RJ11
c. 8 position modular jack (RJ45)
d. SC fiber connector
Answer: c
csd.uoc
What is the primary cause of crosstalk that TIA/EIA 568B standards seek to reduce?
a. Signal attenuation
b. Electromagnetic interference between wire pairs
c. Connector corrosion
d. Cable stretching
Answer: b
csd.uoc
Which pair colors form the orange pair in TIA/EIA 568B?
a. White/orange and orange
b. White/green and green
c. White/blue and blue
d. White/brown and brown
Answer: a
computercablestore
What type of cable is defined as a ‘channel’ in TIA/EIA 568B?
a. Permanent link plus patch cords
b. Backbone cable only
c. Horizontal cable only
d. Jumpers only
Answer: a
csd.uoc
Which one of these is a category cable covered under TIA/EIA 568B?
a. Cat 1
b. Cat 5e
c. Cat 7
d. Cat 8
Answer: b
csd.uoc
What kind of connector plug is required for fiber cables terminated under ANSI/TIA/EIA 568-B.3?
a. RJ45
b. SC Duplex
c. BNC
d. RJ11
Answer: b
csd.uoc
Which ANSI/TIA/EIA 568B subsection details twisted pair cabling requirements?
a. 568-B.1
b. 568-B.2
c. 568-B.3
d. 568-B.4
Answer: b
csd.uoc
What is the maximum distance allowed from main to intermediate cross connect in backbone cabling under TIA/EIA 568B?
a. 100 m
b. 2700 m
c. 300 m
d. 2000 m
Answer: b
csd.uoc
Which wiring scheme is more common for US federal contract wiring?
a. 568B
b. 568A
c. Neither
d. Both equally
Answer: b
iebmedia+1
What type of testing ensures cable pairs are not split or transposed in TIA/EIA 568B?
a. NEXT test
b. Wire map test
c. Insertion loss
d. Delay skew
Answer: b
csd.uoc
In TIA/EIA 568B, what colors correspond to pins 7 and 8?
a. White/green and green
b. White/brown and brown
c. White/blue and blue
d. White/orange and orange
Answer: b
computercablestore
What is the purpose of ANSI/TIA/EIA 568-B.1-2 addendum?
a. Patch cord bend radius
b. Grounding and bonding
c. Optical fiber distance support
d. Category 6 specification
Answer: b
csd.uoc
What is the maximum length of a main cross connect to horizontal cross connect cable in backbone according to TIA/EIA 568B?
a. 100 m
b. 300 m
c. 2700 m
d. 3000 m
Answer: b
csd.uoc
TIA/EIA 568B standard specifies the use of what type of signal for signal and return?
a. Optical signals
b. Balanced 100-ohm twisted pair signals
c. Coaxial signals
d. Wireless signals
Answer: b
csd.uoc
What does the acronym MUTOA stand for in TIA/EIA 568B?
a. Multi-user telecommunications outlet assembly
b. Main user telecommunication access
c. Modular unit terminal outlet adapter
d. Multi-use tethered optical assembly
Answer: a
csd.uoc
What is the primary function of a patch cord in TIA/EIA 568B networks?
a. Connect user devices to the network
b. Connect backbone cables
c. Increase signal strength
d. Provide power to devices
Answer: a
csd.uoc
What color is paired with white/brown in TIA/EIA 568B wiring?
a. Blue
b. Brown
c. Orange
d. Green
Answer: b
computercablestore
Which ANSI/TIA/EIA addendum is related to Category 6 specs?
a. 568-B.2-1
b. 568-B.1-2
c. 568-B.3-1
d. 568-B.2-4
Answer: a
csd.uoc
What is the significance of the 4-pair, 8-wire configuration in TIA/EIA 568B?
a. It supports full duplex communication
b. It reduces electromagnetic interference
c. It is required for 10/100/1000 Mbps Ethernet
d. All of the above
Answer: d
iebmedia+1
How does TIA/EIA 568B ensure interoperability in commercial building telecommunications?
a. By requiring proprietary connectors
b. By standardizing pinouts, wire colors, and test methods
c. By limiting cable types to Cat 3 only
d. By ignoring physical cabling standards
Answer: b

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