Cisco advanced Routing and Switching (Cisco section) 5-day operation

First, the question

Day 01

1. What is a Vlan? What does VLAN do? is the interface of the default switch in that VLAN? What kind of Vlan??
2. What is Trunk? What is the mode of Trunk? How to negotiate?
3. What is the role of EtherChannel?
4. What is DHCP? What is the role of DHCP?

Day 02

1. What is the three layer Exchange? What is the difference between a two-layer switch and a three-tier switch and route?
2. What is the classification of routing protocols according to the application range? What are the classes of dynamic routing according to the algorithm?

Day 03

1. What is HSRP? How does it work?
2. What is the STP role?

Day 04

1. What is an ACL?
2. What are the types and characteristics of access control lists?

Day 05

1. What is NAT? What are the implementation methods?
2. What is the specific idea of troubleshooting when you access http://www.tmooc.cn from a browser?

Cisco advanced Routing and Switching (Cisco section) 5-day operation