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ICND1-Odom > Ch2-Fundamentals of Ethernet LANs > Flashcards

Ch2-Fundamentals of Ethernet LANs Flashcards

1
Q

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

A

Ethernet

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2
Q

Institute of Electrical and Electronics Engineers, a professional organization that develops communications and network standards

A

IEEE

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3
Q

A local-area network that physically transmits bits using cables, often the wires inside cables. A term for local-area networks that use cables, emphasizing the fact that the LAN transmits data using wires (in cables) instead of radio waves

A

wired LAN

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4
Q

A local-area network that physically transmits bits using radio waves.

A

wireless LAN`

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5
Q

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

A

Ethernet Frame

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6
Q

10Mb baseband Ethernet specification using two pairs of twisted-pair cabling (Cat 3,4, or 5). One pair transmits and the other pair receives. Distance limit of 100m.

A

10BASE-T

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7
Q

A name for the IEEE Fast Ethernet standard that uses two-pair copper cabling to provides a speed of 100Mbps, with a maximum cable length of 100m.

A

100BASE-T

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8
Q

A name for the IEEE Fast Ethernet standard that uses four-pair copper cabling to provides a speed of 1000Mbps, with a maximum cable length of 100m.

A

1000BASE-T

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9
Q

The common name for all Ethernet standards that send data at 100Mbps

A

Fast Ethernet

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10
Q

The common name for all Ethernet standards that send data at 1000Mbps

A

Gigabit Ethernet

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11
Q

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

A

Ethernet address, MAC address.

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12
Q

Generally, any address that represents all devices, and can be used to send messages to all devices. In Ethernet, the MAC address of all binary 1s, or FFFF.FFFF.FFFF in hex.

A

Broadcast address

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13
Q

Generally, any address in networking that represents a single device or interface, instead of a group of addresses.

A

Unicast address

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14
Q

A PC will transmit on pins and receive on pins <a></a>

A

1,2 ; 3,6

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15
Q

A switchport will transmit on pins and receive on pins <a></a>

A

3,6 ; 1,2

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16
Q

List the order of fields in an Ethernet Frame

A 
Preamble,
SFD,
Destination MAC
Source MAC
Type
Data+Pad
FCS
17
Q

How many bytes are in the Ethernet Preamble field?

A

7

18
Q

How many bytes are in the Start Frame Delimiter

A

1

19
Q

How many bytes are in the Ethernet Destination Address field?

A

6

20
Q

How many bytes are in the Ethernet Source Address field?

A

6

21
Q

How many bytes are in the Ethernet Type field?

A

2

22
Q

Describe the size in bytes of the Packet encapsulated within an Ethernet Frame

A

46-1500 bytes. Padding may be added by the sender to meet the 46-byte minimum requirement

23
Q

What is the size in byes of the Ethernet Frame Check Sequence?

A

4

24
Q

How large in bits is a MAC address?

A

48 bits

25
Q

How large in bytes is a MAC address?

A

6 bytes

26
Q

How large in bits is the OUI of a MAC address?

A

24 bits

27
Q

How large in bits is the Vendor-assigned portion of a MAC address?

A

24 bits

28
Q

How large in bytes is the OUI of a MAC address?

A

3 bytes

29
Q

How large in bytes is the Vendor-assigned portion of a MAC address?

A

3 bytes

30
Q

How large in hex digits is a MAC address?

A

12

31
Q

What is the value of the TYPE field of a frame encapsulating an IPv4 packet?

A

0800

32
Q

What is the value of the TYPE field of a frame encapsulating an IPv6 packet?

A

86DD

33
Q

Ethernet IEEE standard

A

802.3

34
Q

Describe 802.3 in terms of common name, formal name, speed, max distance and media type.

A

“Ethernet,” 10Mbps, copper, 100m, 10BASE-T

35
Q

Describe 802.3u in terms of common name, formal name, speed, max distance and media type.

A

“Fast Ethernet,” 100Mbps, copper, 100m, 100BASE-T

36
Q

Describe 802.3ab in terms of common name, formal name, speed, max distance and media type.

A

“Gigabit Ethernet,” 1000Mbps, copper, 100m, 1000BASE-T

37
Q

Describe 802.3z in terms of common name, formal name, speed, max distance and media type.

A

“Gigabit Ethernet,” 1000Mbps, fiber, 5km, 1000BASE-LX

38
Q

Describe 802.3an in terms of common name, formal name, speed, max distance and media type.

A

“10 Gigabit Ethernet,” 10Gbps, copper, 100m, 10GBASE-T

ICND1-Odom (34 decks)

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