Select two benefits of deploying private IP addressing. (Choose two.)
Choose an answer
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Correct answer: To reduce network maintenance costs, To keep local IPs out of the global routing table.
Why this is the answer
Private IP addressing, defined in RFC 1918, allows organizations to use IP addresses internally without needing to register them globally. This conserves public IPv4 addresses, which are a limited resource. By using private IP addresses, organizations can avoid the cost and administrative overhead associated with obtaining and managing a large block of public IP addresses, thereby reducing network maintenance costs. Additionally, private IP addresses are not routable on the public internet. This means they are kept out of the global routing table, enhancing security by making internal network topology less visible to external threats and preventing accidental routing of internal traffic onto the internet. Subnetting (option A) is a general network design principle and not exclusive to private IPs. Hiding sensitive data (option D) and secure routing (option E) are security functions achieved through firewalls, VPNs, or encryption, not solely by private IP addressing.
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