Select all the correct statements

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Question

Select all the correct statements

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https://csmoodle.ucd.ie

Answer

When the length of the link doubles, the packet transmission time
  does not change

Answer

A Network SDU is identical to a Transport PDU

Answer

Adding a Network PCI to a Network PDU results in a Data Link
  SDU

Answer

In TCP the congestion window can be greater than the threshold

Answer

It is not possible to have both CIDR and Subnetting at the same
  time.

Answer

A Domain name can be resolved to give many IP addresses each
      of which have a single MAC address

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