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Net+ again > Modern Ethernet > Flashcards

Modern Ethernet Flashcards

1
Q

What are the specifications of 100BaseT

A

100 Mbps, 100 meters, CAT5 or better

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2
Q

What was 100BaseT orginally?

A

100BaseT4 and 100BaseTX

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3
Q

What is the fiber version of 100BaseX?

A

100BaseFX

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4
Q

What are the specifications of 100BaseFX?

A

100Mbps, 2 km, multimode w/SC or ST

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5
Q

What are the 100BaseX standards?

A

1000BaseCX, 1000BaseSX, 1000BaseLX

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6
Q

The 802.3ab standard specifies:

A

1000BaseT

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7
Q

The 802.3z standard specifies:

A

1000BaseCX, SX, LX

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8
Q

What are the specifications of 1000BaseT?

A

1000Mbps, 100 meters, Cat5e or better

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9
Q

Which standard uses a twinaxial cable and made little progress in the market?

A

1000BaseCX

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10
Q

What are the specifications of 1000BaseSX?

A

1000Mbps, 220-500m, commonly use LC, 850-nm, LED

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11
Q

What are the specifications of 1000BaseLX?

A

1000Mbps, 5 km, commonyl uses LC & SC

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12
Q

What are the two small form-factor fiber connectors?

A

MTRJ and LC

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13
Q

From best to worst, what are the fiber physical connection types?

A

Angled Physical Contact (APC), Ultra Physical Contact (UPC), and Physical Contact (PC)

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14
Q

Which physical connection type does not degrade from multiple connections?

A

Angled Physical Contact (APC)

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15
Q

What is the most popular port module?

A

Small form-factor pluggable (SFP)

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16
Q

What standard takes advantage of SONET infrastructure?

A

10GbE

17
Q

10GbE standards that end with R are for:

A

LANs

18
Q

10GbE standards that end with W are for:

A

SONET

19
Q

List the specifications of 10GBaseSX

A

10Gbps, multimode, 26-300 meters, 850-nm

20
Q

List the specifications of 10GBaseLX

A

10Gbps, single-mode, 10 km, 1310-nm

21
Q

List the specifications of 10GBaseEX

A

10Gbps, single-mode, 40 km, 1550-nm

22
Q

Which 10GbE standard is the most popular & least expensive type?

A

10GBaseLR

23
Q

List the specifications of Copper 10GbE

A

10Gbps, 55 meters on Cat6, 100 on Cat6a

24
Q

What is an multi-source agreement (MSA)

A

An agreement between manufacturers to make inter-operable devices and standards.

Net+ again (5 decks)

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