UTP Patch Cord Length and Bend Radius Quiz
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Questions and Answers

What is the maximum untwisting allowance recommended when building your own cables?

  • No untwisting allowed
  • 1/2 inch for each wire pair (correct)
  • 2 inches for each wire pair
  • 1 inch for each wire pair

What is the minimum recommended distance required for low-voltage communication cables from any fluorescent lighting fixture?

  • 2 inches
  • 1 inch
  • 4 inches
  • 5 inches (correct)

What is the typical outside diameter range for twisted-pair cabling?

  • 0.5 to 0.6 inch
  • 0.1 to 0.2 inch
  • 0.25 to 0.35 inch (correct)
  • 0.4 to 0.5 inch

What is the height of a single rack unit?

<p>1.75 inches (B)</p> Signup and view all the answers

What is the purpose of fire sleeves in fire-rated walls or ceilings?

<p>To fill or seal apertures created by pipes or cables (A)</p> Signup and view all the answers

What is the main purpose of fire collars?

<p>To maintain fire resistance levels around pipes and penetrations (A)</p> Signup and view all the answers

What is the primary function of fire covers in fire-rated suspended ceilings?

<p>To expand internally and fill available space with a fire-resistant, highly insulating char (C)</p> Signup and view all the answers

What do fire sealants and gap fillers do when heated at high temperatures?

<p>Expand to prevent the spread of fire and smoke (B)</p> Signup and view all the answers

What does Class 1 Administration address in infrastructure identifiers?

<p>Telecommunications space (TS) identifier (D)</p> Signup and view all the answers

What is required in Class 2 Administration in addition to the identifiers in Class 1 Administration?

<p>Building backbone cable identifier (D)</p> Signup and view all the answers

What is required in Class 3 Administration in addition to the identifiers in Class 2 Administration?

<p>Building identifier (B)</p> Signup and view all the answers

What is required in Class 4 Administration in addition to the identifiers in Class 3 Administration?

<p>Campus or site identifier (C)</p> Signup and view all the answers

What is the maximum length limitation for UTP patch cords in the telecommunications room?

<p>6 m (20 ft.) (C)</p> Signup and view all the answers

What is the minimum bend radius for UTP cable?

<p>4 times the cable diameter (B)</p> Signup and view all the answers

What is the maximum allowed force when pulling UTP cable?

<p>25 lbf (pounds of force) (B)</p> Signup and view all the answers

What is the maximum length limitation for UTP patch cords in the main cross-connect?

<p>20 m (66 ft.) (C)</p> Signup and view all the answers

What is the maximum length limitation for UTP patch cords in the work area?

<p>3 m (10 ft.) (A)</p> Signup and view all the answers

What is the maximum length limitation for UTP patch cords in the intermediate cross-connect?

<p>20 m (66 ft.) (D)</p> Signup and view all the answers

What happens if the cable is sharply bent, twisted, or kinked?

<p>It can cause permanent damage to the cable's geometry and cause transmission failures (D)</p> Signup and view all the answers

What is the minimum bend radius for optical fiber cable?

<p>10 times the diameter (D)</p> Signup and view all the answers

What is the maximum arc into which a cable can be looped before its data transmission is impaired?

<p>Bend radius (A)</p> Signup and view all the answers

What is the recommendation for labeling termination points in an installation?

<p>Label every termination point at both ends with a unique number for each network link (B)</p> Signup and view all the answers

What could exceeding the bend radius do to the cable?

<p>Kink or crimp the copper, causing signal reflections (B)</p> Signup and view all the answers

What is the recommendation for pulling UTP cable?

<p>Use low to moderate force (C)</p> Signup and view all the answers

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