INSTC_V7 試験問題を無料オンラインアクセス

Light pulses in optical fiber cables are subjected to a loss in power as the light pulses travel along the optical fiber. Which of the following terms is used to describe this phenomenon?

• A.Frequency
• B.Attenuation
• C.Crosstalk
• D.Grounding

How much sheath of the cable needs to be removed in order to properly terminate an 8P8C?

• A.6.3mm (0.25")
• B.38 mm (1.5")
• C.12.7mm (0.5")
• D.25mm (1")

A purple backboard should be used to identify ________?

• A.Horizontal cable
• B.Network connections
• C.Common equipment
• D.Demarcation point

Which of the following terms describes the ration of the power of the outgoing signal to the power of the reflected signal expressed in decibels?

• A.Insertion loss
• B.Return loss
• C.Mutual capacitance
• D.Characteristic impedance

What is the minimum recommended height that should be used when mounting a plywood back board in a telecommunication space?

• A.AFF 200 mm (8")
• B.100 mm (4")
• C.AFF 300 mm (12") AFF
• D.AFF 150 mm (6")