Understanding WANS

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What is routing?
Process of moving data across networks
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What is a router in charge of?
Maintaining tables of information
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What can routers be used to manage?
Quality of Service
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What is a routing information protocol?
Dynamic protocol which uses distance-vector routing
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How ofter is a routing table shared?
Every 30 seconds
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What is OSPF used for?
Looks to find the best path for packets
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What is IGRP used for?
In large networks to overcome the limitations of RIP
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What does BGP base routing decisions on?
The network path and rules
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Are hardware or software routers more commonly used?
Hardware
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How are software routers normally implemented?
By installing roles on a server
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When are software routers most oftenly used?
In development, testing and during hardware failure
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What do WANs do?
Connect multiple local area networks together
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What are the 2 most common packet switching services?
X.25 and Frame Relay
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What does X.25 do?
Breaks down large messages
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Why was frame relay designed?
For faster connections
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What is ATM?
A cell-based switching technology
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What must you commit to with Frame Relay?
A certain amount of information.
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A T-carrier carries data at a slow speed, true or false?
False
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What are the 2 most common T carrier systems?
T1 and T3
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What can users that have ISDN do silmultaneously?
Send data, fax, or talk on the telephone
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What are the 2 methods of ISDN?
Basic rate interface and primary rate interface
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What is the standard for data throughput on SONET?
OCx
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What does SONET do?
Transfers multiple digital bit streams
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What topology does FDDI use?
Ring topology
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What is DSL?
Family of technologies that provides data transmissions over local telephone networks
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What is a broadband cable used for?
cable internet and cable TV
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What is POTS/PSTN used for?
Regular phone lines
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What is a broadband cable used for?
cable internet and cable TV
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What is POTS/PSTN used for?
Regular phone lines
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Other cards in this set

Card 2

Front

What is a router in charge of?

Back

Maintaining tables of information

Card 3

Front

What can routers be used to manage?

Back

Preview of the front of card 3

Card 4

Front

What is a routing information protocol?

Back

Preview of the front of card 4

Card 5

Front

How ofter is a routing table shared?

Back

Preview of the front of card 5
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