Using a vertical cable support structure can create issues for the cable attached to the pathway Several issues can result It the support work is not clone correctly. Which two of the following…

Question

Options

• ALower dB loss values
• BStretching of copper conductors and breakage of optical fiber strands
• CIncreased Interference levels
• DReduced expected useful life and performance
• ESlippage between the cable core and the sheath

• A
  2% (1)
• B
  84% (48)
• C
  9% (5)
• D
  5% (3)

Explanation

Poor vertical cable support causes physical stress on the cable over time. When cables aren't properly secured, gravity pulls them downward continuously - this tension stretches copper conductors to the point of breakage and snaps brittle optical fiber strands (B). The same downward force causes the internal cable core to slide within its outer sheath, a phenomenon called sheath slippage (E), which distorts the geometry of the cable and degrades signal integrity.

Why the distractors are wrong:

• A is wrong because poor support increases signal loss (higher dB values), not lower - physical damage raises attenuation.
• C is wrong because interference (EMI/crosstalk) is caused by shielding failures or nearby electrical sources, not mechanical support issues.
• D is plausible but too general - it's a consequence of B and E rather than a distinct condition caused directly by poor support, making it a less precise answer than the specific failure modes.

Memory tip: Think of a heavy rope hanging from a nail - if the nail is loose, the rope slides (sheath slippage = E) and the fibers inside fray and snap under the weight (breakage = B). Support failures are always mechanical problems with physical consequences.

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