CompTIA Network+ Practice Test

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What range defines ephemeral ports?

  1. 0-1023

  2. 1024-65535

  3. 1024-49151

  4. 49152-65535

The correct answer is: 1024-65535

The range that defines ephemeral ports is from 49152 to 65535. Ephemeral ports are temporary ports assigned by a client operating system when a connection is initiated. They allow for dynamic client-side connections, and after the connection is terminated, the port can be reused for another connection. The range of 0-1023 represents the well-known ports, which are reserved for specific services and applications, making them unsuitable for ephemeral use. The range of 1024-49151 includes registered ports that can be used by user applications and are typically assigned to specific services, which again does not fit the criteria for ephemeral ports. Therefore, the correct choice of 49152-65535 accurately identifies the designated range for ephemeral ports.

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