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Networks CH4 Flashcards

1
Q

A situation when two or more data packets try to occupy the same network channel at the same time.

A

Collision

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2
Q

Solve the problem with collision

A

LAN Switch

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3
Q

Advantage of LAN switches

A

operate in Full duplex/forward Frames based on MAC address

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4
Q

This ethernet standard is also known as ThinNet

A

10Base2

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5
Q

It uses coaxial cabling and provides 10Mbps speed. It supports a maximum length of 200 meters.

A

10Base2

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6
Q

This ethernet standard is also known as ThickNet.

A

10Base5

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7
Q

It uses coaxial cabling and provides 10Mbps speed. It supports a maximum length of 500 meters.

A

10Base5

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8
Q

One of the most common Ethernet standards used in Ethernet networks.

A

10BaseT

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9
Q

It uses UTP (Cat3 or higher) cables and
Hubs and provides 10 Mbps, but in actual
networks, the presence of collisions
reduces this to more like 4 to 6 Mbps.

A

10BaseT

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10
Q

An implementation of 10BaseT over fiber optic cabling and offers 10 Mbps speed

A

10BaseF

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11
Q

implementations of 10BaseF is

A

Connect two hubs as well as Connecting hubs to workstations.

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12
Q

It was created to upgrade 10BaseT networks over Cat3 wiring to 100 Mbps without having to replace the wiring

A

100BaseT4

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13
Q

Uses four pairs of twisted pair wiring, two of the four pairs are configured for half-duplex
transmission.

A

100BaseT4

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14
Q

What do you mean by half duplex?

A

data can move in only one direction at a time

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15
Q

Also known as Fast Ethernet

A

100BaseTX

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16
Q

Mostly used Ethernet standard in modern networks

A

100BaseTX

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17
Q

Known as Fast Ethernet over fiber and runs over multimode fiber cables.

18
Q

Ethernet Standard that has a 100Mbps speed up to 2000 meters

19
Q

Also known as Gigabit Ethernet

20
Q

Also known as 10 Gigabit Ethernet

21
Q

This cable has a center conductor made of copper insulated by a plastic jacket with a braided shield over it.

A

Coaxial Cable

22
Q

This cable is often used for internal wiring especially in residential homes. Many of us are familiar with this cable because it is used for televisions.

A

Coaxial Cable

23
Q

4 parts of Coaxial Cable from the outermost level down under

A
  1. Plastic Jacket
  2. Metallic Shield
  3. Dielectric Insulator
    4.Center Core
24
Q

A cable that has two insulated copper wires twisted together

A

Twisted Pair

25
Q

7 parts of shielded Twisted Pair

A
  1. Outer Jacket
  2. Overall Shield
  3. Pair Shields
  4. Drain Wire
  5. Twisted Pair
  6. Color Coded Plastic Insulation
    7.Copper Conductor
26
Q

4 parts of unshielded Twisted Pair

A
  1. Outer Jacket
  2. Twisted Pair
  3. Color Coded Plastic Insulation
  4. Copper Conductor
27
Q

The most common medium of transmission for Internet connections. It uses light impulses vs electric ones, so it is immune to Electromagnetic Interferences (EMI) and Radio Frequency Interferences (RFI).

A

Fiber-Optical Cable

28
Q

Type of optical fiber that has a core diameter, made of glass, between 8 and 10.5 µm and a cladding diameter of 125 µm.

A

Single Mode Fiber

29
Q

A type of optical fiber that has a core size of 62.5 micrometers (µm) and a cladding diameter of 125 µm it also uses LEDs to generate the signal and can support multiple wavelengths transmitted in parallel within its core.

A

Multi Mode Fiber

30
Q

Speed, frequency and year of CAT 1

A

1Mbps, 400KHz, 1983

31
Q

Speed, frequency and year of CAT 2

A

4Mbps, 4MHz. 1987

32
Q

Speed, frequency and year of CAT 3

A

10Mbps,16MHz, 1991

33
Q

Speed, frequency and year of CAT 4

A

16Mbps, 20MHz, 1993

34
Q

Speed, frequency and year of CAT 5

A

100Mbps, 100MHz, 1995

35
Q

Speed, frequency and year of CAT 5e

A

1Gbps, 100MHz, 2001

36
Q

Speed, frequency, and year of CAT 6

A

1Gbps, 250MHz, 2002

37
Q

Speed, frequency, and year of CAT 6A

A

10Gbps, 500MHz, 2008

38
Q

Speed, frequency, and year of CAT 7

A

10Gbps, 600MHz, 2010

39
Q

Speed, frequency, and year of CAT 7A

A

10Gbps, 1000MHz, 2013

40
Q

Speed, frequency, and year of CAT 8.1

A

25Gbps, 2,000MHZ, 2016

41
Q

Speed, frequency, and year of CAT 8.2

A

40Gbps, 2,000MHZ, 2018

Networks (4 decks)

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