CCNA1 Quick Revision

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Across
  1. 2. The PDU at the network layer.
  2. 4. Also known as Physical address, Hardware address or Layer 2 address.
  3. 6. Also known as Logical address or Layer 3 address.
  4. 9. A shared-bandwidth device.
  5. 11. The fourth layer in TCP/IP model.
  6. 14. A single network channel capable of delivering multiple communication forms.
  7. 15. A device that filters and forwards packets between LAN segments.
Down
  1. 1. The PDU at the data link layer.
  2. 3. This layer support TCP and UDP protocols.
  3. 5. This layer is logically divided into two sublayers the MAC Sublayer and the LLC Sublayer.
  4. 7. The PDU at the physical layer.
  5. 8. A device that forwards data packets along networks.
  6. 10. Bring your own device.
  7. 12. It converts an IP address to its corresponding physical network address.
  8. 13. This layer is responsible for managing logical addressing.