IP Addresses & Interfaces Flashcards

(6 cards)

1
Q

What is a Public IP Address

A
  • Released when instance stopped
  • Used in Public Subnets
  • Associated with private IP address on instance
  • Cannot be moved between instances
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2
Q

What is a Private IP Address

A
  • Retained when instance stopped
  • Used in Private & Public subnets.
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3
Q

What is an Elastic IP Address?

A
  • Has Static IP Address
  • Chargeable
  • Associated with Private IP Address on instance.
  • Can be moved b/w instances & Elastic Network Adapters.
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4
Q

What is the Elastic Network Interface (ENI)?

A
  • Basic type when don’t need high-performance.
  • Can use all instance types.
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5
Q

What is the Elastic Network Adapter (ENA)?

A
  • Enhanced Networking performance
  • Higher bandwidth
  • Lower inter-instance latency
  • Must choose supported instance type.
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6
Q

What is the Elastic Fabric Adapter (EFA)?

A
  • Use with High Performance Computing & MPI & ML use cases.
  • Tightly coupled applications
  • Can use all instance types.
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