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CCNA > Ethernet > Flashcards

Ethernet Flashcards

1
Q

the links between servers needs to be 10mbps, 100mbps or 1000Mbps ?

A

Gigabits or 125MBps

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2
Q

what is the speed of fastethernet ?

A

100mbps or 12.5MBps

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3
Q

64Mbps equals in MBps

A

64Mbps = 8MBps

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4
Q

Ethernet exist in which layer(s) of the OSI model ?

A

Data Link and Physical

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5
Q

What is the function of LLC ?

A

tells the network layer what protocol to use, also functions as a connection between the 2 and 3 OSI layer.

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6
Q

where does LLC resides ?

A

Data link layer

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7
Q

what is the function of the MAC sublayer ?

A

media access control

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8
Q

Ethernet on the physical layer means

A

copper cables, Fiber, Wireless

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9
Q

Ethernet uses LLC for what purpose ?

A

to link the MAC address to the IP address

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10
Q

Ethernet on the Data link layer means.

A

MAC, LLC

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11
Q

Logical addresses exist on which OSI layer ?

A

Network Layer

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12
Q

What is a set of rules that govern how you talk on the network ?

A

CSMA/CD

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13
Q

what does CSMA/CD stands for ?

A

Carrier: the network signal
Sense: the ability to detect
Multiple Access: equal access for all
Collision Detection: action when data collides

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14
Q

What is Unicast ?

A

one-to-one communication

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15
Q

What is Multicast ?

A

send to a group

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16
Q

What is Broadcast ?

A

send to all

17
Q

What is Anycast ?

A

send to closest

18
Q

Is Ethernet a technology or a physical standard ?

A

technology

19
Q

Max distance of CAT UTP ?

A

100 meters 350feet

20
Q

Multi-mode fiber max distance

A

275 meters (900feet) to few miles

21
Q

Single-mode fiber max distance

A

1 mile to many miles

1m=5k’

22
Q

Cross-over cables for ?

A

like devices

23
Q

Straight-thru cables for ?

A

unlike deives

24
Q

which devices are used to create collision domains ?

A

bridges and switches

25
Q

bridges learn MACs using, software or hardware, how about switches ?

A

software

hardware

26
Q

ffff.ffff.ffff.ffff is used by a switch for what purpose ?

A

flood the network and find the MAC of a unknown computer

CCNA (5 decks)

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