CDP & LLDP 20 INTERVIEW QUESTIONS

Rashmi Bhardwaj | Interview Questions,Protocol
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  1. Define CDP ?
  2. Define LLDP ? Which IEEE standard defines LLDP ?
  3. CDP runs on which VLAN ?
  4. Is CDP is enabled or disabled by default on all Cisco routers ?
  5. What is major difference between CDP and LLDP ?
  6. How does CDP work ?
  7. How does LLDP work ?
  8. Which 6 attributes/information is shown by “show CDP neighbors” command ?
  9. Which layer does CDP and LLDP work on ?
  10. What is difference between CDP v1 and v2 ?
  11. Are CDP and LLDP Routable ?
  12. What is CDP update and hold timer value ?
  13. What is LLDP update and hold timer value ?
  14. Which CDP command displays directly connected CDP neighbors ?
  15. Which command shows CDP neighbor detail ?
  16. CDP announcement is sent to which Broadcast/multicast/unicast destination address ?
  17. What is TLV in LLDP ? Which are mandatory LLDP TLVs ?
  18. Is CDP supported on Frame relay ?
  19. What is CDP spoofing ?
  20. What are benefits of CDP and LLDP

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