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Network + > Cabling and Topology > Flashcards

Cabling and Topology Flashcards

1
Q

Bus Topology

A

Network that uses single cable to connect all computers in a line

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2
Q

Ring Topology

A

Network that uses single cable to connect all computers on a network in a ring of cable

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3
Q

Data Flow of Bus Topology

A

Data from each computer went out on the whole bus and needed terminations at each end to prevent reflection of signal causing network loss

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4
Q

Data Flow of Ring Topology

A

Data moved in a circle from one computer to the next in the same direction and required no termination.

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5
Q

Flaws of Ring and Bus Topology

A

If the cable broke at any point the whole network would go down.

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6
Q

Star Topology

A

Uses central connection box for all the computers on the network which offers Fault tolerance.

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7
Q

Hybrid Topology

A

A bus or ring network that has been shrunken down into a box that uses physical topology and logical topology.

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8
Q

Physical Topology

A

How the cables physically look

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9
Q

Logical Topology

A

How the Signals Travel electronically

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10
Q

Mesh Topology

A

Every computer can connect to every other computer via two or more route.

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11
Q

Partially Meshed Topology

A

At least two machines have redundant connections. Every machine doesn’t have to connect to every other machine.

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12
Q

Fully Meshed Topology

A

Every computer connects directly to every other computer.

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13
Q

2 Types of Copper cabling

A

Coaxial and Twisted Pair

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14
Q

2 Coaxial Cable Common Connectors

A

BNC Connector and F Connector

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15
Q

BNC connector

A

Early copper cable twist and Stick connector

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16
Q

F Connector

A

Copper Cable Screw in Connector

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17
Q

2 Coaxial Cable T ypes

A

RG-59 and RG-6

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18
Q

RG-59 Coaxial Cable

A

Used primarily for cable tv, rated at 75 OhMs and had F type connector

19
Q

RG-6 Coaxial Cable

A

Much thinner style coax that is mainly used today, rated at 75 Ohms and uses F type connector

20
Q

RG

A

Radio Guide Rating that measure OhM

21
Q

RG-58

A

Used primarily for Television rated at 50 OhMs and had BNC Connector

22
Q

Twisted Pair Cable

A

Consists of twisted pairs of cables bundled together into a common jacket.

23
Q

2 Types of twisted pair cables

A

Shielded and Unshielded

24
Q

STP

A

Shielded twisted pair cable consists of twisted wires surrounded by shielding to protect from EMI.

25
Q

UTP

A

Unshielded Twisted pair cable consists of twisted pairs of wires surrounded by plastic jacket. UTP offers no protection from surrounding EMI.

26
Q

Cat3

A

16MHz, 16Mbps

27
Q

Cat5

A

100 MHz 100Mbps

28
Q

Cat5e

A

100 MHz, 1 Gbps

29
Q

Cat6

A

250 MHz, 10 Gbps

30
Q

Cat6a

A

500 MHz, 10 Gbps

31
Q

Cat7

A

600 MHz, 10+ Gbps

32
Q

RJ-11 Connector

A

Use by landline telephones and had 8 Positions and 8 Contact connectors.

33
Q

RJ-45 Connector

A

UTP connection for standard networking used today

34
Q

Most Common Fiber Optic Cable Size

A

62,5/125 Micro um

35
Q

MMF

A

Multimode Fiber, uses LED’s

36
Q

SMF

A

Single Mode Fiber, Uses lasers

37
Q

Modal Distortion

A

Affects only Multimode Fiber, signals sent at the same time don’t arrive at the same time because the paths differ slightly in length.

38
Q

Transmit wavelength of MMF

A

850-nm

39
Q

Transmit wavelength of SMF

A

1310 nm or 1550nm depending on laser

40
Q

4 Types of Fiber Connectors

A

ST, SC, LC and MT-RJ

41
Q

Serial Cables

A

Used in early networking for point to point connections, had speeds up to 56,000 bps and used DB-9, 9 pin connector

42
Q

Parallel Cables

A

Used in early networking for point to point connections, had speeds up to 2 Mbps and used 25 pin female DB-25 Connector

43
Q

PVC Rated Cable

A

Has no protection from Fire and will create lots of smoke and fumes

44
Q

Plenum Rated Cable

A

Create much less smoke and fumes than PVC cabling but costs a lot more

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