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ICND1 2016 > Chapter 2: Fundamentals of Ethernet LANs > Flashcards

Chapter 2: Fundamentals of Ethernet LANs Flashcards

1
Q

Valid straight-through cable connections

A

Host to switch, host to hub, router to switch or hub.

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2
Q

Valid crossover cable connections

A

Switch to switch, host to host, hub to hub, or a switch to a hub.

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3
Q

10BASE-T bandwith

A

10Mbps

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4
Q

100BASE-TX bandwith

A

100/200 Mbps

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5
Q

100BASE-FX bandwith

A

100/200 Mbps

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6
Q

1000BASE-T bandwith

A

1Gbps

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7
Q

1000BASE-TX bandwith

A

1Gbps

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8
Q

1000BASE-SX bandwith

A

1Gbps

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9
Q

1000BASE-LX bandwith

A

1Gbps

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10
Q

10GBASE-T bandwith

A

10Gbps

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11
Q

10GBASE-SX4 bandwith

A

10Gbps

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12
Q

10GBASE-LX4 bandwith

A

10Gbps

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13
Q

10BASE-T cable type

A

Cat3/Cat5 UTP

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14
Q

100BASE-TX cable type

A

Cat5 UTP

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15
Q

100BASE-FX cable type

A

Multimode Fiber

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16
Q

1000BASE-T cable type

A

Cat5e UTP

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17
Q

1000BASE-TX cable type

A

Cat6 UTP

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18
Q

1000BASE-SX cable type

A

Multimode Fiber

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19
Q

1000BASE-LX cable type

A

Single-mode Fiber

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20
Q

10GBASE-T cable type

A

Cat6a-Cat7 UTP

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21
Q

10GBASE-SX4 cable type

A

Multimode Fiber

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22
Q

10GBASE-LX4 cable type

A

Single-mode Fiber

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23
Q

10BASE-T max distance

A

100m

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24
Q

100BASE-TX max distance

A

100m

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25
Q

100BASE-FX max distance

A

400m at 100Mbps, 2km at 200Mbps

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26
Q

1000BASE-T max distance

A

100m

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27
Q

1000BASE-TX max distance

A

100m

28
Q

1000BASE-SX max distance

A

550m

29
Q

1000BASE-LX max distance

A

2km

30
Q

10GBASE-T max distance

A

100m

31
Q

10GBASE-SX4 max distance

A

550m

32
Q

10GBASE-LX4 max distance

A

2km

33
Q

What is CSMA/CD?

A

Carrier Sense Multiple Access with Collision Detection. Each device senses the cable for a digital signal before transmitting. Frame collisions result in a jamming pattern then hosts re-transmit after a random interval.

34
Q

Which two terms describe Ethernet addresses that can send a frame to multiple addresses?

A

Broadcast & Multicast

35
Q

802.3i

A

10BASE-T

36
Q

802.3u

A

100BASE-TX or Fast Ethernet

37
Q

802.3z

A

1000BASE-CX

38
Q

802.3ab

A

1000BASE-T or Cat 5

39
Q

802.3an

A

10GBase-T

40
Q

PC & Router NIC transmitters use:

A

Pins 1 & 2

41
Q

PC & Router NIC receivers use:

A

Pins 3 & 6

42
Q

Hub & Switch receivers use:

A

Pins 1 & 2

43
Q

Hub & Switch transmitters use:

A

Pins 3 & 6

44
Q

Ethernet frame

A

A term referring to an Ethernet data link header and trailer, plus the data encapsulated between the header and trailer.

45
Q

The three main parts of an Ethernet Frame

A

Header, Data & Pad, Trailer

46
Q

All fields of an Ethernet Frame

A

Preamble, SFD, Destination, Source, Type, Data & Pad, FCS

47
Q

Ethernet Frame Preamble: Bytes, Description

A

7, Synchronization

48
Q

Ethernet Frame SFD: Bytes, Description

A

1, Signifies that the next byte begins the Destination MAC address field

49
Q

Ethernet Frame Destination MAC Address: Bytes, Description

A

6, Identifies the intended recipient of this frame

50
Q

Ethernet Frame Type: Bytes, Description

A

2, Defines the type of protocol used within the frame

51
Q

Ethernet Frame Data and Pad: Bytes, Description

A

46-1500 holds data from a higher layer

52
Q

Ethernet Frame FCS: Bytes, Description

A

4, Determines the event of a transmission error

53
Q

MAC address size

A

48 bits

54
Q

The Broadcast MAC address

A

FFFF:FFFF:FFFF address

56
Q

A series of LAN standards defined by the IEEE, originally invented by Xerox Corporation and developed jointly by Xerox, Intel, and Digital Equipment Corporation.

A

Ethernet

57
Q

Fast Ethernet

A

The common name for all the IEEE standards that send data at 100 megabits per second.

58
Q

Gigabit Ethernet

A

The common name for all the IEEE standards that send data at 1 gigabit per second.

59
Q

Ethernet link

A

A generic term for any physical link between two Ethernet nodes, no matter what type of cabling is used.

60
Q

A popular type of cabling connector used for Ethernet cabling. It is similar to the RJ-11 connector used for telephone wiring in homes in the United States. Allows the connection of eight wires.

A

RJ-45

61
Q

A generic term for the opening on the side of any Ethernet node, typically in an Ethernet NIC or LAN switch, into which an Ethernet cable can be connected.

A

Ethernet port

62
Q

A computer card, sometimes an expansion card and sometimes integrated into the motherboard of the computer, that provides the electronics and other functions to connect to a computer network.

A

network interface card (NIC)

63
Q

A 48-bit (6-byte) binary number, usually written as a 12-digit hexadecimal number, used to identify Ethernet nodes in an Ethernet network describes what?

A

Ethernet address

64
Q

A standardized data link layer address that is required for every device that connects to a LAN. 6 bytes long and controlled by the IEEE. Also known as a hardware address or a physical address.

A

MAC address

65
Q

A local-area network (LAN) that physically transmits bits using radio waves. The name “wireless” compares these LANs to more traditional “wired” LANs, which are LANs that use cables (which often have copper wires inside).

A

Wireless LAN

66
Q
A

ICND1 2016 (8 decks)

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