please answer with good explation

Download the document for Basic Software Configuration Using the Cisco IOS Command-Line Interface located at: https://www.cisco.com/en/US/docs/routers/access/800/850/softw are/configuration/guide/baskills.pdf https://www.cisco.com/c/en/us/td/docs/routers/access/vg224/soft ware/configuration/guide /scg/ scgconf.html Answer the following questions in print format. Do not delete the questions. Simply answer below each question. You may also use other online resources on www.cisco.com. You are required to know this information for Lab 2: Q1: What is Cisco CLI? Why do we need it? Q2. What is hostname? How can you change it using CLI? Q2. What Access control mechanisms are available for controlling access to Cisco switches and routers? What is the difference between enable and enable secret? Q3. How many modes are available to configure Cisco Switches and Routers? What are they? Q4. What different types of interfaces are available on Cisco Switches and Routers? What command is used to change their configuration? Q5. What is the purpose of a default route? Why is it needed? What does it do