Internet Connection Types Flashcards

1
Q

Cable Modem

A

• DOCSIS (Data Over Cable Service
Interface Specification)
• 4 Mbits/s through 250 Mbits/s
• Data, Voice

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2
Q

DSL

A
  • ADSL (Asymmetric Digital Subscriber Line)
  • 24 Mbit/s downstream / 3.3 Mbit/s upstream
  • VDSL (Very-high-bit-rate DSL)
  • 3 Mbit/s through 100 Mbit/s
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3
Q

Satellite networking

A
  • Non-terrestrial communication
  • 15 Mbit/s down, 2 Mbit/s up
  • High latency
  • High frequencies - 2 GHz
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4
Q

ISDN - Integrated Services Digital Network

A
  • BRI – Basic Rate Interface (2B+D)
  • Two 64 kbit/s bearer (B) channels
  • One 16 kbit/s signaling (D) channel
  • PRI – Primary Rate Interface
  • T1 – 23B + D, E1 – 30B + D + alarm channel
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