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Network Technology Prelim > Wired or Bounded Media > Flashcards

Wired or Bounded Media Flashcards

1
Q

The most widely used standard for serial data communications is which is intended to operate over distances of up to 50 feet and has a communication speed that is equal to or less than 20Kbps.

A

Serial Cable

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2
Q

refers to two (2) conductors enclosed by an insulating protective coating.

A

Coaxial Cable

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3
Q

Two types of Coaxial Cable

A
  • Thin (Thinnet) Cable
  • Thick (Thicknet) Cable
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4
Q

It is a flexible coaxial cable about 0.25 inches thick. It uses British Naval Connector (BNC)-T cable connector attached to LAN card. (NIC)

A

Thin (Thinnet) Cable

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5
Q

**

It is relatively rigid coaxial cable about 0.5 inches in diameter. It uses vampire tap or piecing tap as connectors.

A

Thick (Thicknet) Cable

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6
Q

consists of two insulated strands of copper wire that are arranged in a regular spiral pattern.

A

Twisted Pair Cable

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7
Q

As the name implies, a UTP cable refers to a twisted pair cable that contains no shielding.

A

Unshielded Twisted-Pair (UTP) Cable

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8
Q

It has eight (8) individual copper wires, in which pairs of them are twisted around each other t form a four-pair color-coded wire medium that is encased in a flexible plastic sheath.

A

Unshielded Twisted-Pair (UTP) Cable

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9
Q

refers to signal loss due to impedance

A

Attenuation

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10
Q

refers to the twisted-wire pairs producing a magnetic field cancellation effect, which limits signals degradation caused by interference from twisted pairs.

A

Crosstalk

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11
Q

As the name implies, an STP cable refers to a twisted pair of cable that combines the techniques of twising wires, cancellation, and shielding.

A

Shielded Twisted-Pair (STP) Cable

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12
Q

Each pair of eight (8) individual copper wires is twisted and then wrapped in a metallic foil.

A

Shielded Twisted-Pair (STP) Cable

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13
Q

refers to a bundle of extremely thin and cylindrically shaped glass fibers surrounded by a concentric layer of glass coating that can conduct modulated light transmissions.

A

Fiber Optic Cable

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14
Q

Parts of the fiber optics cable

A
  • Core
  • Cladding
  • Coating
  • Strengthening Fibers
  • Cable Jacket (Sheath)
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15
Q

Two (2) Fiber Optic Modes

A
  • Single-mode fiber optic cable
  • Multimode fiber optic cable
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16
Q

This fiber optic cable type allows light waves to travel along a single path or in only one mode. It is used for high-speed transmission over long distances.

A

Single-mode fiber optic cable

17
Q

This fiber optic cable type allows light waves to travel into numerous paths through the core of the fiber at various angles. It is often applied to local area networks which encompass a much smaller transmission range.

A

Multimode fiber optic cable

Network Technology Prelim (13 decks)

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