The brief of CCNP Security certification Exam Chater 1

1. Password recovery process of the router, password recovery process of the switch
2. Fill the IOS experiment and briefly describe the value of its register
3. What is the standard line sequence of the 568A 568B in the cable, what is the case for the cross line, the reverse line, and the direct line?
4. Thoughts on IP address division
5. What are the ideas for static routing and dynamic routing? As shown in the figure, if R1 wants to ping the ringback of R3, then at least R1, R2, and R3 can be combined to make at least a few static routes to complete the above requirements?
6. What is the biggest difference between a classful routing protocol and a classless routing protocol?
7. When you experiment, if show ip interface brief sees the reason for double down, what is the reason for seeing up before going up?
8. What happens if there is no SPT in a redundant switched network environment?
9. Briefly describe the SPT election process. Finally, whether the port of BLOCK is always BLOCK, which state has changed from BLOCK state, what have been done in those states?
10. The role of VLAN technology, what is the principle of TRUNK, a brief description of the difference between the two packages of TRUNK
11. Briefly describe the principles of PVST and MST
12. Classification of distance vector protocols and link state protocols? What is the biggest difference between them, why is EIGRP a hybrid routing protocol?
13. OSPF EIGRP IGRP RIPV2 Which of them send broadcasts and which send multicasts? If it is multicast, what is the multicast address? How do I identify OSPF EIGRP IGRP RIPV2 packets in a network? 14. What is the VTP pruning? Briefly describe the functions of the three modes of VTP
15. Why is the loop on the second floor more harmful than the loop on the third floor? Why is switching faster than routing?
16. Briefly describe the timer of RIP? What is horizontal splitting?
17. Difference between RIPV1 and RIPV2
18. Border Router
19. Diagram of RIP
20. Benefits of Multicast vs. Broadcast in a Layer 2 Switched Network Environment
21. Under what circumstances should you use passive, why not use OSPF?
22. You can't use the passive and access-list on R1 to enable R1 to learn R3's loopback but R2 can't learn
23. Brief description of the characteristics of EIGRP
24. How long does EIGRP's HELLO package come out, and what are the important news?
25. Which five types of EIGRP messages indicate whether they are reliable, whether they are sent in unicast or multicast mode.
26. What kind of retransmission mechanism is EIGRP? What are SRTT, MFT, and RTP?
27. EIGRP DUAL algorithm steps
28. What is the formation process of the EIARP SIA? What is the solution?
29. What is the metric for RIP IGRP EIGRP OSPF? How is it calculated?
30. Briefly describe the process of OSPF establishing a neighbor?

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