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Network+ > L2: Explaining Properties of Network Traffic > Flashcards

L2: Explaining Properties of Network Traffic Flashcards

1
Q

What type of media is bounded?

A

Cabled Media

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2
Q

What type of media is unbounded?

A

Wireless Media

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3
Q

What is bandwidth?

A

Range of available frequencies

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4
Q

What unit of measure does Bandwidth use?

A

Hertz (Hz)

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5
Q

What kind of signaling is Baseband Transmission?

A

Digital Signaling

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6
Q

What kind of signaling is Broadband Transmission?

A

Analog Signaling

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7
Q

Cycles per second is measured in what?

A

Hertz (Hz)

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8
Q

What is a loss of signal strength called?

A

Attenuation

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9
Q

What is stray or unwanted signals that interfere with a signal?

A

Noise

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10
Q

What kind of cable uses is a low voltage electrical circuit and is subject to high attenuation and interference?

A

Copper Cable

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11
Q

What are two types of Copper Cables?

A

Twisted Pair (CAT Cables) and Coaxial Cables (Coax)

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12
Q

What kind of cable uses light signals and is less susceptible to attenuation and interference?

A

Fiber Optic Cables

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13
Q

What kind of transmission used Radio Frequency?

A

Wireless Radio

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14
Q

What are the two frequency bands used for Wireless transmissions?

A

2.4 GHz and 5 GHz

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15
Q

What technology only allows one device to to transmit data at a time?

A

Half-Duplex Technology

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16
Q

Which type of Carrier Sense Multiple Access (CSMA) tries to avoid data collisions by transmitting data when the “line” is clear?

A

CSMA/CA (with Collision Avoidance)

17
Q

Which type of Carrier Sense Multiple Access (CSMA) sends data when the “line” seems to be clear, but will retransmit the data when a collision occurs?

A

CSMA/CD (with Collision Detection)

18
Q

What type of transmission sends data from one node to all nodes on a network?

A

Broadcast

19
Q

What type of transmission sends data from one node to many nodes on a network?

A

Multicast

20
Q

What type of transmission sends data from one node to one node on a network?

A

Unicast

21
Q

What device/OSI Layer establishes Broadcast Domain Boundaries?

A

Routers (Layer 3)

22
Q

How many MAC addresses are in a Ethernet Frame Format and what are they called?

A

Two (Destination MAC and Source MAC)

23
Q

How many bits(bytes) are in a MAC address?

A

48-bits (6 bytes)

24
Q

What is the Payload of the Ethernet Frame Format?

A

Data

25
Q

What does the Frame Check Sequence (FCS) of the Ethernet Frame Format do?

A

Ensures the data is valid, and will drop the data if an error occurs

26
Q

What is Maximum Transmission Unit (MTU) size of a Payload? (in bytes)

A

1500 bytes

27
Q

What is a frame called if the payload exceed 1500 bytes (the Maximum Transmission Unit)?

A

Jumbo Frame

Network+ (2 decks)

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