Name __________________________________________________________ Date ________________ Chapter 6 – Network Layer Study Guide Tips for success: While answering the questions read Chapter 6, review the summary, and complete the practice Quiz. After completion of this chapter, you should be able to: Explain how network layer protocols and services support communications across data networks. Explain how routers enable end-to-end connectivity in a small to medium-sized business network. Determine the appropriate device to route traffic in a small to medium-sized business network. Configure a router with basic configurations. 1. What does it mean for the IP protocol to be connectionless? No connect with the destination is established before sending data packets 2. Give an example of a connection-oriented protocol: Ethernet 3. What is a hop? Each route the packet takes to reach the destination host is called a hop 4. Complete Activity 6.1.3.4 – Ipv4 Header Fields 5. What is NAT and why is it necessary with IPv4? Translates private to public 6. Complete Activity 6.1.4.6 – Ipv6 Header Fields 7. What is the purpose of a Host Routing Table? How can you view the Host Routing Table on your PC? A routing table is a database which keeps track of paths, like a map, yes 8. Complete Activity 6.2.1.7 – Identify Elements of a Host Routing Table Entry 9. Complete Activity 6.2.2.7 – Identify Elements of a Router Routing Table Entry 10. What information is stored in the routers RAM? What will happen to this info when the router is turned off? Running config, it is lost, 11. What are the Management Ports on a router, what are their function? Console port 12. What are the Inband Router Interfaces, what are their function? Lan and wan interfaces 13. Complete Activity 6.3.1.8 – Identify Router Components 14. What happens when the router cannot find a startup configuration file during the boot process? It lockup looking for the ios 15. Complete Activity 6.3.2.6 – The Router Boot Process 16. Briefly describe the output of the following show commands: a. Show version –Shows the version of the cisco operating system b. Show ip interface brief –Shows anything that has a ip address c. Show ip route – To display the current state of the routing table, d. Show run – To display the configuration that is currently running on the adaptive security appliance 17. What are the three basic settings that must be configured on a computer to allow internet access? Internet Gateway, Internet client Device Fill in the Brackets [ ] below to complete the basic router configuration on the Texas router. Use the table below to configure IP settings. Device Hostname Router0 Router1 Texas Virginia Interface F0/0 IP Address 172.16.0.1 172.18.0.1 Interface S0/0/0 IP Address 172.17.0.1 172.17.0.2 Configuring Hostname and Passwords Router>[ ] ________________________________________ Router#configure terminal ___________________________________ Router(config)#[hostname] Texas ______________________________ Texas(config)#enable password cisco ___________________________ Texas(config)#enable secret class ______________________________ Texas(config)#line vty [4 0 ] __________________________________ Texas(config-line)#password cisco _____________________________ Texas(config-line)#[login ] ____________________________________ Texas(config-line)#line [ line con] 0 ____________________________ Texas(config-line)#[password ] cisco ___________________________ Texas(config-line)#login ______________________________________ Texas(config-line)#end ______________________________________ Configure Fast Ethernet 0/0 Interface Texas#configure terminal ____________________________________ Texas(config)#[ int ] f0/0 _____________________________________ Texas(config-if)#ip address [172.16.0.1 ] 255.255.0.0 ______________ Texas(config-if)#no [ shut ] ___________________________________ Texas(config-if)#end ________________________________________ Configure Serial 0/0/0 Interface Texas#configure terminal ____________________________________ Texas([int ])#interface s0/0/0 _________________________________ Texas(config-if)#[ ip address ] 172.17.0.1 [ 255.255.255.0 ] _________ Texas(config-if)#clock rate 64000 _____________________________ Texas(config-if)#[] shutdown __________________________________ Texas(config-if)#end ________________________________________ Save Configuration Texas# copy [run] start (Hit: ENTER) ___________ Subnet Mask 255.255.0.0 255.255.0.0 TYPE DCE DTE