Specs and Standards Flashcards

1
Q

T568B Colors

A
Orange stripe
Orange
Green stripe
Blue
Blue stripe
Green 
Brown stripe
Brown
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2
Q

RJ45 Pins

A

1) Out +
2) Out -
3) In +
4)
5)
6) In -
7)
8)

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3
Q

T568A Colors

A

1) Green stripe
2) Green
3) Orange stripe
4) Brown stripe
5) Brown
6) Orange
7) Blue
8) Blue stripe

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4
Q

CAT 5

A

100 Mbps

100 MHz

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5
Q

CAT 5E

A

1 Gbps

100 MHz

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6
Q

CAT 6

A

1 Gbps

10 Gbps (run < 55m)

250 MHz

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7
Q

CAT 6A

A

10 Gbps

500 MHz

Crosstalk and noise resistant

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8
Q

CAT 7

A

1 Gbps

600 MHz

For manufacturing environment

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9
Q

Single-mode fiber

A

10 Gbps

40 km

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10
Q

Multimode fiber

A

100 Mbps over 2km

1 Gbps over 550m

10 Gbps over 300m

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11
Q

802.11a

A

54 Mbps

5 GHz

30m

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12
Q

802.11b

A

11 Mbps

2.4 GHz

35m

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13
Q

802.11g

A

54 Mbps

2.4 GHz

35m

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14
Q

802.11n

A

300 Mbps

2.4 GHz or 5 GHz

70m

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15
Q

802.3

A

10 Mbps

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16
Q

802.3u

A

100 Mbps

17
Q

802.3z

A

1 Gbps

18
Q

802.3an

A

10 Gbps

19
Q

MDI / MDI-X

A

Medium dependent interface / Medium dependent interface crossover

Button allows switch port to be used as access link or uplink port

20
Q

Switch speed factors

A

Transmission speed

Uplink speed

Backplane speed

21
Q

Switch transmission speed factors

A

Port speed rating

Layer 1 considerations

  • cable type
  • NIC speed
22
Q

Port speed rating format

A

10/100

100/1000

23
Q

Trunking

A

Using LACP to connect divides through multiple physical ports.

24
Q

Trunking with full duplex effective throughput

A

Number of ports used

X

Port speed

DOUBLE IT!

25
Q

Backplane speed

A

Internal speed of the switch (between modules)

Applies only to modular switches

26
Q

E0
F0
Gi0

A
Ethernet (10Mbps)
Fast Ethernet (100Mbps)
Gigabit Ethernet (1000Mbps)
27
Q

NetBIOS names are __ characters long.

A

15 plus 16th byte (two hex characters)