8- Packet Switched Networks Flashcards

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1
Q

What are the two types of packet-switched networks?

A
  1. Datagram networks

2. Virtual-circuit networks

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2
Q

How do switches in datagram networks work?

A

Uses a routing table that is based on the destination address.

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3
Q

How is switching in the internet done?

A

By using the datagram approach.

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4
Q

What are the two different types of routing tables?

A
  1. Static - manual entries

2. Dynamic - automatic updating

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5
Q

What is flooding?

A

When a node disseminates its LSP to all other nodes.

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6
Q

What are the 4 flow characteristics?

A
  • Reliability
  • Delay
  • Jitter
  • Bandwidth
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7
Q

What are 4 methods to improve quality of service?

A
  • Scheduling
  • Traffic shaping
  • Admission control
  • Resource reservation
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8
Q

What are the two models that have been designed to provide quality of service in the internet?

A
  • Integrated services

- Differentiated services

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