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51 Cards in this Set
- Front
- Back
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Host/Client |
Describes relationship between 2 computer programs. Client makes the request . Server fulfills the request |
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Application Server |
Software framework dedicated to the efficient execution of procedures |
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Hub |
Common connection point for devices in a network |
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Switch |
Small hardware device that joins multiple computers together within one LAN |
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Router |
Device that forwards data packets between network, creating an overlay internetwork. |
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WAP(wireless application protocol) |
Allows mobile devices to interface into a network. |
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Proxy server |
Server that acts as an intermediary for request from clients seeking resources from other servers |
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Firewall |
Device or set of devices designed to permit or deny network transmissions |
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(VPN) virtual private network concentrator |
Device that incorporates the most advanced encryption and authentication techniques available |
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Back-Up |
Process of backing up refers to making copies of data |
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(Network) Repeater |
Devices that regenerate incoming electrical wireless or optical signals |
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Layers of routing |
Access. Distribution. Core. |
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Topology : Bus |
Set of clients are connected via shared communications line |
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Topology : Star |
Most common. Central switch , hub. Or computer |
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Topology : Ring |
Nose connects to exactly two other nodes forming a single continuous pathway for signals |
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Topology: Mesh |
Independent router regardless of connection or not |
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Layer 1 |
Physical layer |
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Layer 1 |
Physical layer |
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Layer 2 |
Data link layer |
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Layer 1 |
Physical layer |
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Layer 2 |
Data link layer |
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Layer 3 |
Network layer |
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Layer 1 |
Physical layer |
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Layer 2 |
Data link layer |
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Layer 3 |
Network layer |
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Layer 4 |
Transport layer |
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Layer 1 |
Physical layer |
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Layer 2 |
Data link layer |
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Layer 3 |
Network layer |
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Layer 4 |
Transport layer |
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Layer 5 |
Session layer |
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Layer 1 |
Physical layer |
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Layer 2 |
Data link layer |
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Layer 3 |
Network layer |
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Layer 4 |
Transport layer |
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Layer 5 |
Session layer |
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Layer 6 |
Presentation layer |
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Layer 1 |
Physical layer |
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Layer 2 |
Data link layer |
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Layer 3 |
Network layer |
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Layer 4 |
Transport layer |
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Layer 5 |
Session layer |
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Layer 6 |
Presentation layer |
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Layer 7 |
Application layer |
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Lan |
Local area network |
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Lan |
Local area network |
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Wan |
Wide area network |
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Lan |
Local area network |
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Wan |
Wide area network |
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Man |
Metropolitan area network |
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GAN |
Global area network |
