BICSI INSTALLER 2 UPDATED PRACTICE EXAM QUESTIONS
AND SOLUTIONS RATED A+
✔✔Connecting hardware— - ✔✔Connecting blocks, patch panels, interconnections,
cross- connections, patch cords, equipment cords, or some combination of these
components.
✔✔There are many different types of backbone cable: - ✔✔• Multimode optical fiber
cable
• Singlemode optical fiber cable
• 100-ohm balanced twisted-pair copper cable
✔✔Multimode optical fiber cable— - ✔✔The recommended multimode optical fiber
cable is graded- index optical fiber with a nominal 50/125 micron (µm) core/cladding
diameter
✔✔Singlemode optical fiber cable— - ✔✔Singlemode cables are typically a zero
dispersion wavelength around 1310 nanometers (nm) but also can be used in the 1550
nm region.
✔✔100-ohm balanced twisted-pair copper cable— - ✔✔It is recommended for
backbone that the balanced twisted-pair cable consist of a minimum of 24 American
wire gauge (AWG [0.51 millimeters (mm [0.020 inches (in)])]) solid copper conductors
✔✔ISO application classes
Application Class
Class A - ✔✔up to 100 kHz
Basic telephony systems
✔✔ISO application classes
Application Class
Class B - ✔✔up to 1 MHz
ITU-T Rec. I.430, I.431, ISO/IEC 8802-3
✔✔ISO application classes
Application Class
Class C - ✔✔up to 16 MHz
10BASE-T
✔✔ISO application classes
Application Class
Class D - ✔✔up to 100 MHz
1000BASE-T
, ✔✔ISO application classes
Application Class
Class E - ✔✔up to 250 MHz
1000BASE-T
✔✔ISO application classes
Application Class
Class EA - ✔✔up to 500 MHz
10GBASE-T
✔✔ISO application classes
Application Class
Class F - ✔✔up to 600 MHz 10GBASE-T
✔✔ISO application classe
Application Class
Class FA - ✔✔up to 1 GHz
10GBASE-T
✔✔ISO application classes
Application Class
Class I/II - ✔✔up to 2 GHz
40GBASE-T
✔✔TIA Cabling Categories/ISO Classes
Category 3/class C* - ✔✔Class A* ≈ 2 km (6500 ft)
Class B* ≈ 200 m (656 ft)
Class C* ≈ 100 m (328 ft)
Class D -
Class E -
Class EA -
Class F -
Class FA -
* No longer recognized for new construction.
** Extended length limitations of higher categories/classes of cabling remain a subject of
future study
✔✔TIA Cabling Categories/ISO Classes
Category 5e/class D - ✔✔Class A* ≈ 3 km (10,000 ft)
Class B* ≈ 260 m (850 ft)
AND SOLUTIONS RATED A+
✔✔Connecting hardware— - ✔✔Connecting blocks, patch panels, interconnections,
cross- connections, patch cords, equipment cords, or some combination of these
components.
✔✔There are many different types of backbone cable: - ✔✔• Multimode optical fiber
cable
• Singlemode optical fiber cable
• 100-ohm balanced twisted-pair copper cable
✔✔Multimode optical fiber cable— - ✔✔The recommended multimode optical fiber
cable is graded- index optical fiber with a nominal 50/125 micron (µm) core/cladding
diameter
✔✔Singlemode optical fiber cable— - ✔✔Singlemode cables are typically a zero
dispersion wavelength around 1310 nanometers (nm) but also can be used in the 1550
nm region.
✔✔100-ohm balanced twisted-pair copper cable— - ✔✔It is recommended for
backbone that the balanced twisted-pair cable consist of a minimum of 24 American
wire gauge (AWG [0.51 millimeters (mm [0.020 inches (in)])]) solid copper conductors
✔✔ISO application classes
Application Class
Class A - ✔✔up to 100 kHz
Basic telephony systems
✔✔ISO application classes
Application Class
Class B - ✔✔up to 1 MHz
ITU-T Rec. I.430, I.431, ISO/IEC 8802-3
✔✔ISO application classes
Application Class
Class C - ✔✔up to 16 MHz
10BASE-T
✔✔ISO application classes
Application Class
Class D - ✔✔up to 100 MHz
1000BASE-T
, ✔✔ISO application classes
Application Class
Class E - ✔✔up to 250 MHz
1000BASE-T
✔✔ISO application classes
Application Class
Class EA - ✔✔up to 500 MHz
10GBASE-T
✔✔ISO application classes
Application Class
Class F - ✔✔up to 600 MHz 10GBASE-T
✔✔ISO application classe
Application Class
Class FA - ✔✔up to 1 GHz
10GBASE-T
✔✔ISO application classes
Application Class
Class I/II - ✔✔up to 2 GHz
40GBASE-T
✔✔TIA Cabling Categories/ISO Classes
Category 3/class C* - ✔✔Class A* ≈ 2 km (6500 ft)
Class B* ≈ 200 m (656 ft)
Class C* ≈ 100 m (328 ft)
Class D -
Class E -
Class EA -
Class F -
Class FA -
* No longer recognized for new construction.
** Extended length limitations of higher categories/classes of cabling remain a subject of
future study
✔✔TIA Cabling Categories/ISO Classes
Category 5e/class D - ✔✔Class A* ≈ 3 km (10,000 ft)
Class B* ≈ 260 m (850 ft)
