Chapter 7 Flashcards

1
Q

Local Area Networks

A

Connects computers in close proximity, such as an office building, school, or home.

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2
Q

Wide Area Network (WAN)

A

Spans a large geographic area such as a state, province, or country.

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3
Q

Metropolitan Area Network (MAN)

A

A large computer network usually spanning a city.

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4
Q

National Service Providers (NSPs)

A

Private companies that own and maintain the worldwide backbone that supports the internet.

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5
Q

Network Access Point (NAPs)

A

Traffic exchange points in the routing hierarchy of the internet that connects NSPs

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6
Q

Regional Service Providers (RSPs)

A

Offer internet service by connecting to NSPs, but they also can connect directly to each other.

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7
Q

Bandwidth

A

The maximum amount of data that can pass from one point to another in a unit of time.

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8
Q

Bit Rate

A

Number of bits transferred or received per unit of time.

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9
Q

Modem

A

Device that enables a computer to transmit and receive data.

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10
Q

Broadband

A

A high speed internet connection that is always connected.
Two Types:
1)Digital Subscriber Line (DSL) over standard telephone lines.
2)Internet Cable Connection-uses cable co’s modem.

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11
Q

T1 Line

A

Rate is ~ 1.5 Megabits per second

  • Highly Reliable connection
  • very expensive
  • 24 separate connections w/ 1 line.
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12
Q

Protocol

A

A standard that specifies the format of data as well as the rules to be followed during transmission.

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13
Q

Transmission Control Protocol/Internet Protocol (TCP/IP)

A

Provides the technical foundation for the public internet as well as for large numbers of private networks.

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14
Q

Domain Name System

A

Converts IP addresses into domains.

-ICAN - under US control until 10/1/2016 controls domain names.

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15
Q

Network Convergence

A

The efficient coexistence of telephone, video, and data communication within a single network, offering convenience and flexibility no possible with separate infrastructures.

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16
Q

Unified Communication (UC)

A

THe integration of communication channels into a single service

17
Q

Peer-to-Peer (P2P)

A

A computer network that relies on the computing power and bandwidth of the participants in the network not a centralized server.

18
Q

THe primary resource for sharing include:

A

1)Intranet
2)
3)

19
Q

Personal Area Network (PAN)

A

Provide communication over a short distance intended for use with devices owned/ operated by a single user.

20
Q

Bluetooth

A

Wireless PAN technology that transmits signals short distances between

21
Q

Wireless LAN (WLAN)

A

A local area network using radio signals to transmit/receive data over distances of a few hundred feet.

22
Q

Wireless Fidelity (Wi-Fi)

A

Portable devices connect wirelessly to a local area network, using access points that send and receive data via radio waves.

23
Q

Access Point

A

The computer or network device that serves as an interface between devices and the network.

24
Q

Wireless Access Point

A

Enables devices to connect to a wireless

25
Q

Wireless MAN (WMAN)

A

A metropolitan area network that uses radio signals to transmit and receive data.