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Ethernet Technologies
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Ethernet Technologies
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25 Questions

1. What is the TCAM Value and Mask for an IGMP access list?

2. Enables error-disable when trunking encapsulation is flapping from one type to another

3. Displays static CAM table entries

4. What are the names of CEF optimisation techniques using specialised forwarding hardware?

5. What function is performed by the Switching Database Manager (SDM)?

6. What are the common PMD types for 10 Gigabit Ethernet?

7. What are the 1000BASE-X transceiver module form factors used in Cisco Catalyst switches?

8. What two IOS software components are involved in TCAM operation?

9. What is the default duplex mode of a Gigabit Ethernet interface?

10. What type of packets can not be forwarded by CEF but are instead sent to the switch CPU for process switching in software?

11. What information is recorded in CAM as frames arrive on a switch port?

12. What fields are rewritten in hardware before a Layer 3 packet is switched to the to egress queue of a multilayer switch?

13. What is the maximum cabling distance for 1000BASE-ZX?

14. Configures a switch port with a static access VLAN assignment

15. What is CSMA/CD?

16. Enables error-disable when the Port Aggregation Protocol (PAgP) is flapping

17. How are packets marked before being sent to the CEF Layer 3 engine for further processing?

18. What tables are maintained by the CEF Layer 3 forwarding engine?

19. Enables error-disable for rate-limiting of DHCP snooping

20. What is the timer range for automatic re-enabling of error-disabled ports?

21. What is the name of a Layer 3 physical interface on a switch?

22. What CEF optimisation replicates the entire FIB table among switch line cards?

23. What are the symptoms of a duplex setting mismatch between two ends of a link?

24. What are runts?

25. When are mode-conditioning patch leads required with 1000BASE-LX/LH transceivers?

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