CompTIA Network+ (009) Ch. 1

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Across
  1. 6. A communication between a single sender and a single receiver.
  2. 7. A hardware identifier for network interfaces.
  3. 8. Resolves IP addresses to MAC addresses on a local network.
  4. 9. Translates domain names into IP addresses.
  5. 10. Separates the network and host portions of an IP address.
Down
  1. 1. Routes traffic from a local network to external networks.
  2. 2. Sends data to all devices on a network segment.
  3. 3. Delivers data to multiple specific recipients.
  4. 4. Identifies a device on a network using a numerical label.
  5. 5. Used to test network functionality on the local machine (127.0.0.1).