ECM 1413 Area Networks Flashcards

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1
Q

Intermediary Network Devices

A

Connects host to the network, and connects networks together
Permits or denies the flow of data

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2
Q

Peripherals

A

Don’t have logical address
Rely on their connected host to perform all network operations

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3
Q

WAN (Wide Area Network)

A

A group of LANs interconnected within a large area
TSP (Travelling Salesman) interconnects these geographical spanned networks

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4
Q

LAN

A

LAN is controlled by the ISP
LAN stands for Local Area Network
Usually spans a single geographical area
Administered by a single organization
Characterized by high data speeds
May be a single local network or interconnected local networks.

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5
Q

The Internet

A

A global mesh of interconnected networks

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6
Q

A global mesh of interconnected networks

A

A group of interrelated protocols that are necessary to perform a communication function

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7
Q

The 4 layers of the tcp/ip stack

A

Application
Transport
Network
Network Access (Link)

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8
Q

OSI Reference model 7 layers

A

Application
Presentation
Session
Transport
Network
Data Link
Physical

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9
Q

Application layer potential contents and protocols

A

HTTP, FTP, DNS, SMTP, DHCP, SSH

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10
Q

Transport layer potential protocols

A

TCP, UDP

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11
Q

Internet Layer potential protocols

A

IPv4, IPv6

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12
Q

Network Access Layer potential protocols

A

Ethernet, Token Ring, WAN protocols

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13
Q

Protocol Data Units and Encapsulation

A
  • PDU is the generic term for data at each layer
  • Segmentation is the process of breaking data into pieces
  • Encapsulation is the process if adding control information to the data at each layer
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14
Q

Frame header

A

PDU that contains the source and the destination addresses of the frame and the control bytes

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15
Q

The 3 different physical transmission media and the way in which they transport PDU

A

Copper wires - Electrical pulses
Fiber-optic - Electrical pulses
Wireless - Electromagnetic waves

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