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Blk III/Unit 1: Network Fundamentals > CND1/Ch3: Fundamentals of LANs > Flashcards

CND1/Ch3: Fundamentals of LANs Flashcards

Table H-3: Today's most common types of Ethernet Table H-4: LAN MAC address terminology and features Definitions

1
Q

(Types of Ethernet)

Speed - 10 Mbps/Alt name - 10 BASE-T/IEEE Std - 802.3/Cable type, Max length - Copper, 100m

A

Ethernet

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2
Q

(Types of Ethernet)

Speed - 100 Mbps/Alt name - 100BASE-TX/IEEE Std - 802.3u/Cable type, max length - Copper, 100m

A

Fast Ethernet

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3
Q

(Types of Ethernet)
Speed - 1000 Mbps/Alt name - 1000BASE-LX, 1000BASE-SX/IEEE Std - 802.3z/Cable type, max length - Fiber, 550m (SX), 5km (LX)

A

Gigabit Ethernet

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4
Q

(Types of Ethernet)

Speed - 100 Mbps/Alt name - 1000BASE-T/IEEE Std - 802.3ab/Cable type, max length - 100m

A

Gigabit Ethernet

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5
Q

(LAN Addressing Term or Feature Description)

Media Access Control. 802.3 (Ethernet) defines the MAC sublayer of IEEE Ethernet

A

MAC

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6
Q

(LAN Addressing Term or Feature Description)

Other names often used instead of MAC address. These terms describe the 6-byte address of the LAN interface card

A

Ethernet address, NIC address, LAN address

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7
Q

(LAN Addressing Term or Feature Description)

The 6-byte address assigned by the vendor making the card

A

Burned-in address

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8
Q

(LAN Addressing Term or Feature Description)

A term for a MAC that represents a single LAN interface

A

Unicast address

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9
Q

(LAN Addressing Term or Feature Description)

An address that means “all devices that reside on this LAN right now.”

A

Broadcast address

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10
Q

(LAN Addressing Term or Feature Description)

On Ethernet, a multicast address implies some subset of all devices currently on the Ethernet LAN

A

Multicast address

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11
Q

(Definition)
A name for the IEEE Gigabit Ethernet standard that uses four-pair copper cabling, a speed of 1000 Mbps (1 Gbps), and a maximum cable length of 100 meters

A

1000BASE-T

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12
Q

(Definition)
A name for the IEEE Fast Ethernet standard that uses two-pair copper cabling, a speed of a 100 Mbps, and a maximum cable length of 100 meters

A

100BASE-TX

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13
Q

(Definition)
The 10-Mbps baseband Ethernet specification using two pairs of twisted-pair cabling (Cat 3, 4, 5): One pair transmits and the other receives, IEEE 802.3, approx 100 m per segment

A

10BASE-T

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14
Q

(Definition)
An Ethernet cable that swaps the pair used for transmission on one device to pair used for receiving on the device on the opposite end of the cable

A

crossover cable

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15
Q

(Definition)

A media-access mechanism in which devices ready to transmit data first check the channel for a carrier

A

Carrier sense multiple access collision detect (CSMA/CD)

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16
Q

(Definition)

Generically, any communication in which two communicating devices can concurrently send and receive data

A

full duplex

17
Q

(Definition)

Generically, any communication in which only one device at a time can send data

A

half duplex

18
Q

(Definition)
A LAN device that provides a centralized connection point for LAN cabling, repeating any received electrical signal out all other ports, thereby creating a logical bus

A

hub

Layer 1 device - do not interpret the electrical signals as a frame of bits

19
Q

(Definition)

The documentation and implementation of which wires inside a cable connect to each pin position in any connector

A

pinout

20
Q

(Definition)

A field in a LAN header that identifies the type of header that follows the LAN header

A

Protocol Type field

21
Q

(Definition)
An Ethernet that uses a hub, or even the original coaxial cabling, which results in the devices having to take turns sending data, sharing the available bandwidth

A

shared Ethernet

22
Q

(Definition)
In Ethernet, a cable that connects the wire on pin 1 on one end of the cable to pin 1 one the other end of the cable, pin 2 on one end to pin 2 on the other end, etc

A

straight-through cable

23
Q

(Definition)

A network device that filters, forwards, and floods Ethernet frames based on the destination address of each frame

A

switch

24
Q

(Definition)
An Ethernet that uses a switch, and particularly not a hub, so that the devices connected to one switch port do not have to contend to use bandwidth available on another port

A

switched Ethernet

25
Q

(Definition)

Transmission medium consisting of two insulated wires, with the wires twisted around each other in a spiral

A

twisted pair

Blk III/Unit 1: Network Fundamentals (4 decks)

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