CompTIA Network+ Practice Test

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What is a reserved address?

An IP address used for temporary connections
An IP address set aside for future use or testing
An address assigned for public domain usage
An address allocated for device communication

The correct answer is: An IP address set aside for future use or testing

A reserved address is an IP address that has been designated for specific uses, which often includes being set aside for future use or for testing purposes. This means that such addresses are not available for general assignment to devices or users on a network. Reserved addresses might be specified in networking standards and protocols to ensure that certain ranges are preserved for specific functions, ensuring they remain free from general allocation which could lead to potential conflicts or misconfigurations in both public and private networks. The other options presented do not accurately capture the concept of a reserved address. An address used for temporary connections suggests a more dynamic allocation process, while an address assigned for public domain usage typically refers to addresses that are actively allocated for general use in the public internet. An address allocated for device communication closely resembles the functionality of a standard IP address rather than a reserved one, which is not actively in service.