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21 Cards in this Set
- Front
- Back
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What are the 4 major components of a network?
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1) Endpoints (PC, Server, Printer, etc)
2) Interconnections (NIC cards, media, connectors) 3) Switches 4) Routers |
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What does a switch do?
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Connects endpoints to the LAN
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What does a router do?
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1) Connects multiple LANs to form Internetworks.
2) Chooses best path between LAN and WAN |
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Name the 3 Levels of heirarchy fior switches
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Access
Distribution/Aggregation Core |
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What is aggregation?
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Taking smaller portions of the network and combining them into larger single portions of the network
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What connects to Access switches
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Endpoints
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Name 3 categories of routers
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Branch
WAN/Enterprise Edge Service Provider |
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What is a branch router?
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Lower end router for SOHO or remote office locations
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What is a WAN/Enterprise Edge router?
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Mid to high end for main office connections
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What is a Service Provider router?
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High end of large scale internet routing (eg - ISP)
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Give an example of a branch router series
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2500
2600 1700 1800 1900 |
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Give an example of a WAN/Enterprise edge router series
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7200
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Give an example of a Service Provider router series
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CRS
ASR1000 |
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What are the 2 types of network diagram?
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Physical
Logical |
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What does the physical network diagram show?
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How the devices are physically cabled together
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What does the logical network diagram show?
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The logical result of data traffic flow.
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What should be included on a physical network diagram?
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Physical port assignments
Physical device connections |
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What is a serial link typically used for?
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To connect the router to the WAN
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What is a physical network diagram useful for?
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Troubleshooting layer 1 or layer 2 issues
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What does a logical network diagram typically show?
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Ethernet VLAN information
Layer 2 WAN addressing Layer 3 IP addressing Routing protocol information |
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What is a logical network diagram useful for?
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Troubleshooting layer 3 or above issues
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