Chapter 06 - Reading Organizer - Student Version - R&S 6 PDF

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Chapter 6 Cisco 1 – Introduction to Networks Student Version Chapter 6 Sections: 6.1 Network Layer Protocols 6.2 Routing 6.3 Routers 6.4 Configure a Cisco Router Required Materials: Reading Organizer Packet Tracer Activities:

6.3.1.8 - Exploring Internetworking Devices 6.4.1.3 - Configure Initial Router Settings 6.4.3.3 - Connect a Router to a LAN 6.4.3.4 - Troubleshooting Default Gateway Issues 6.5.1.3 - Skills Integration Challenge

Labs: 6.0.1.2 - Class Activity - The road less traveled... 6.3.2.7 - Exploring Router Physical Characteristics 6.5.1.1 - Class Activity - Can You Read This Map 6.5.1.2 - Building a Switch and Router Network Chapter Test

CCNA R&S 6.0 - Semester 1 – Introduction to Networks 1 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

CCNA R&S 6.0 - Semester 1 – Introduction to Networks 2 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

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left blank. Points__________ / ___178___

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Chapter 6 Reading Organizer Student Version Note: the Reading Organizer has weighted scoring. Any question with the word explain or define in it is expected to have a longer answer and is worth two points each. After completion of this chapter, you should be able to:

         

Describe the purpose of the network layer in data communication. Explain why the IPv4 protocol requires other layers to provide reliability. Explain the role of the major header fields in the IPv4 and IPv6 packet. Explain how a host device uses routing tables to direct packets to itself, a local destination, or a default gateway. Compare a host routing table to a routing table in a router. Describe the common components and interfaces of a router. Describe the boot-up process of a Cisco IOS router. Configure initial settings on a Cisco IOS router. Configure two active interfaces on a Cisco IOS router. Configure devices to use the default gateway.

6.1 Network Layer Protocols 1. The network layer, or OSI Layer 3, provides services to allow end devices to exchange data across the network. To accomplish this end-to-end transport, the network layer uses four basic processes. List and describe each. a. _________________________________ –

b. _________________________________ –

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c. _________________________________ –

d. _________________________________ –

2. There are only two network layer protocols that are commonly implemented. These are: a. b.

3. What is the advantage of using a process, which encapsulates data layer by layer?

4. Explain the following terms: a. Connectionless –

b. Best Effort –

c. Media Independent –

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5. List the significant fields in the IPv4 header. a. b. c. d. e. f.

6. What are the two most commonly referenced fields in the IP header? a. b.

7. IPv4 has been updated to address new challenges. However, even with changes, IPv4 still has three major issues. These are: a. b. c.

8. List and explain the improvements that IPv6 provides include. a. _________________________________ –

b. _________________________________ –

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c. _________________________________ –

9. One of the major design improvements of IPv6 over IPv4 is the _____________________________ . 10. Describe five advantages of IPv6? a. b. c. d. e.

11. The fields in the IPv6 packet header include: a. b. c. d. e. f. g. h.

12. Extension headers are optional and are placed between the IPv6 header and the payload. EHs are used for _____________________, ______________________, to _________________________ and more. CCNA R&S 6.0 - Semester 1 – Introduction to Networks 6 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

6.2 Routing 13. Another role of the network layer is to direct packets between hosts. A host can send a packet to: a. b. c.

14. Whether a packet is destined for a local host or a remote host is determined by the _________________________________________________of the source (or sending) device compared to the IPv4 address and subnet mask of the destination device. 15. Devices that are beyond the local network segment are known as __________________________. 16. The router connected to the local network segment is referred to as the _____________________. 17. What are the functions of a default gateway? a.

b.

c.

18. A host's routing table will typically include a _______________________________. 19. Entering the netstat -r command or the equivalent route print command, displays three sections related to the current TCP/IP network connections. These are: a.

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b.

c.

20. The routing table of a router can store information about: a. b. c.

21. What command can be used to display a Cisco router’s IPv4 routing table?

22. In addition to providing routing information for directly-connected networks and remote networks, the routing table also has information which includes? a. b. c. d.

23. When a router interface is configured with an IPv4 address, a subnet mask, and is activated, the following two routing table entries are automatically created. Explain both. a. __C__ -

b. __L__ -

24. The route source identifies how the network was learned by the router. Identify the common route sources shown below. a. __S__ CCNA R&S 6.0 - Semester 1 – Introduction to Networks 8 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

b. __D__ -

c. __O__ -

25. Identify the different part of the route table entry.

a. b. c. d. e. f. g.

26. Packets cannot be forwarded by the router without a route for the destination network in the routing table. If a route representing the destination network is not in the routing table, the packet will be ________________________. 27. What is the purpose of a Gateway of Last Resort?

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28. Identify the elements of a router routing table entry.

6.3 Routers 29. There are many types of infrastructure routers available. List three. a. b. c.

30 The CCNA certification focuses on which family of infrastructure routers?

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31. Regardless of their function, size or complexity, all router models are essentially _______________. 32. The ________________________________________________) is the system software used for most Cisco devices regardless of the size and type of the device.

33. A Cisco router uses four types of memory. List and describe each. a. _________________________________ –

b. _________________________________ –

c. _________________________________ –

d. _________________________________ –

34. All router platforms have default settings and components. The Cisco 1941 comes with __________ of SDRAM but is upgradable up to __________. The Cisco 1941 routers also come with __________ of flash but are upgradable using two external Compact Flash slots. Each slot can support high-speed storage cards upgradable to __________.

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35. Identify the router components shown in the picture.

a. b. c. d. e. f. CCNA R&S 6.0 - Semester 1 – Introduction to Networks 12 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

g. h.

36. Identify the ports on the router shown.

a. b. c. d. e. f.

37. Explain what the management ports are and what they are used for. CCNA R&S 6.0 - Semester 1 – Introduction to Networks 13 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

38. Explain what the In-band Router interfaces are and what they are used for.

39. Label the port descriptions shown.

40. Changes made to the running-config file should be saved to the _______________________ file in ____________________, in case the router is restarted or loses power. 41. There are three major phases to the bootup process. These are: a. b. c. CCNA R&S 6.0 - Semester 1 – Introduction to Networks 14 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

42. At what point will you see output on the screen during the POST process?

43. What do you type to get out of setup mode?

44. What information does the show version command display? a. b. c. d.

6.4 Configure a Cisco Router 45. What command is used to secure all passwords in a configuration file?

46. What are the shortest abbreviations you can use for the configuration commands shown?

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47. Explain what the following configuration commands are doing.

a. _________________________________

b. _________________________________

c. _________________________________

d. _________________________________

48. For routers to be reachable, the _____________________ router interfaces must be configured. 49. Why is it helpful on production networks to supply a description? CCNA R&S 6.0 - Semester 1 – Introduction to Networks 16 Robb Jones & Kimberly Mentzeli Chapter 6 Frederick County Career & Tech Center, MD, USA

50. Explain what two things are required for an interface to be active and able to carry traffic? a.

b.

51. There are several commands that can be used to verify interface configuration. List and explain four of these. a. _________________________________ –

b. _________________________________ –

c. _________________________________ –

d. _________________________________ –

52. A default gateway is only used when?

53. Which port on R1 is the correct default gateway for each computer listed below?

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a. PC1 - ________________________

b. PC2 - ________________________

c. PC3 - ________________________

d. PC4 - ________________________

54. What is required if you wish to connect to the switch and administratively manage it over multiple networks? a. b. c.

55. The default gateway address is typically configured on all devices that wish to communicate beyond just their _______________ network.

56. To configure a default gateway on a switch, use the ________________________________ global configuration command.

57. Packets originating from host computers connected to the switch must already have the ________________________________ address configured on their host computer operating systems.

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