200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ545

IP Connectivity

What is a characteristic of private IPv4 addressing?

  • A used on the external interface of a firewall
  • B used by ISP's when only one IP is needed to connect to the internet
  • C reduces the forwarding table on network routers
  • D address space which is isolated from the internet
Explanation

Private IPv4 addresses are intended for use inside local or organizational networks and are not routable on the public Internet. Their defining property is that they belong to address space isolated from the Internet unless a translation mechanism such as NAT is used.

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