Name _______________________________________________________ Date ________________
Chapter 4
Cisco 1 – Introduction to Networks
Student Version
Chapter 4 Sections:
4.1 Physical Layer Protocols
4.2 Network Media
4.3 Data Link Layer Protocols
4.4 Media Access Control
Required Materials:
Reading Organizer
Packet Tracer Activities:
4.2.4.4 - Connecting a Wired and Wireless LAN
Labs: 4.0.1.2 Class Activity - Managing the Medium
4.1.2.4 - Identifying Network Devices and Cabling
4.2.2.7 - Building an Ethernet Crossover Cable
4.2.4.5 - Viewing Wired and Wireless NIC Information
4.5.1.1 Class Activity - Linked In!
Chapter Test
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
Frederick County Career & Tech Center, MD, USA
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Points__________ / __210___
Name__________________________________________________________ Date ________________
Chapter 4
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:
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Identify device connectivity options.
Describe the purpose and functions of the physical layer in the network.
Describe basic principles of the physical layer standards.
Identify the basic characteristics of copper cabling.
Build a UTP cable used in Ethernet networks (scope – does not include cabling area
discussion).
Describe fiber-optic cabling and its main advantages over other media.
Connect devices using wired and wireless media.
Describe the purpose and function of the data link layer in preparing communication for
transmission on specific media.
Compare the functions of logical topologies and physical topologies.
Describe the basic characteristics of media access control methods on WAN topologies.
Describe the basic characteristics of media access control methods on LAN topologies.
Describe the characteristics and functions of the data link frame.
4.1 Physical Layer Protocols
1. To offer wireless capability, devices on a wireless network must be connected to a
___________________________________________.
2. A wireless device will experience degradation in performance based on its _____________________
from a wireless access point.
3. What is a reason for slower network performance on a wireless network?
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
Frederick County Career & Tech Center, MD, USA
4. Explain in detail each step of the process that data undergoes from a source node to a destination
node.
a.
b.
c.
d.
5. There are three basic forms of network media. List and define each.
a. ____________________________________ –
b. ____________________________________ –
c. ____________________________________ –
6. The services and protocols in the TCP/IP suite are defined by the
_________________________________________________________________.
7. ___________________, _____________________, __________________, and _________________
are all specified in standards associated with the physical layer.
8. What is encoding or line encoding?
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
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9. What is bandwidth?
10. Define digital bandwidth.
11. What factors determine the practical bandwidth of a network?
a.
b.
12. What factors influence throughput?
a.
b.
c.
13. Define latency.
14. Explain what goodput is.
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
Frederick County Career & Tech Center, MD, USA
15. Label each physical layer description.
4.2 Network Media
16. Networks use copper media because it is ____________________, ____________________ and
has ____________________ to electrical current.
17. List and explain the two different sources of interference.
a. _______________________________________________________________ –
b. _____________________________ –
18. What can be done to counter the negative effects of EMI and RFI?
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Robb Jones & Kimberly Mentzeli
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19. What can be done to counter the negative effects of crosstalk?
20. List three other options which will address the susceptibility of copper cables to electronic noise.
a.
b.
c.
21. List the three main types of copper media used in networking.
a.
b.
c.
22. Explain the three protections offered in unshielded twisted pair copper cable.
a. _________________________________ –
b. _________________________________ –
c. _________________________________ –
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Robb Jones & Kimberly Mentzeli
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23. Fill in the labels for the picture below.
24. STP cables combine the techniques of shielding to counter ____________________, and wire
twisting to counter ____________________.
25. List and explain what coaxial cable consists of.
a.
b.
c.
d.
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
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26. Fire hazards exist because cable insulation and sheaths may be ______________________, or
produce ________________________ when heated or burned.
27. Identify the correct copper media characteristics.
28. List and explain how cable designers can limit the negative effect of crosstalk in UTP Cable.
a. _________________________________ –
b. _________________________________ –
29. TIA/EIA-568 stipulates the commercial cabling standards for LAN installations. The cabling
elements defined include:
a.
b.
c.
d.
e.
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
Frederick County Career & Tech Center, MD, USA
30. UTP cable is usually terminated with an ______________ connector.
31. List and define the three main UTP cable types.
a. _________________________________ –
b. _________________________________ –
c. _________________________________ –
32. List what a UTP cable tester should be able to test for.
a.
b.
c.
d.
33. Fiber-optic cable can transmit signals with less attenuation and is completely immune to
____________ and _____________.
34. List and describe how Fiber-optic cabling is now being used in four types of industry.
a. _________________________________ –
b. _________________________________ –
c. _________________________________ –
d. _________________________________ –
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
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35. Label the parts of the fiber optic cable.
36. Fiber-optic cables are broadly classified into two types. List and describe both.
a. _______________________________ –
b. _______________________________ –
37. One of the highlighted differences between multimode and single-mode fiber is the amount of
dispersion. What is dispersion?
38. Because light can only travel in one direction over optical fiber, ____________________ are
required to support the full duplex operation.
39. Some fiber connectors accept both the transmitting and receiving fibers in a single connector
known as a ____________________________connector.
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
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40. The use of color distinguishes between single-mode and multimode patch cords.
A ______________________ jacket is for single-mode fiber cables and __________________ for
multimode fiber cables.
41. List and explain the three common types of fiber-optic termination and splicing errors.
a. _______________________________ –
b. _______________________________ –
c. _______________________________ –
42. Choose the correct answers for the chart below.
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
Frederick County Career & Tech Center, MD, USA
43. List and explain the common areas of concern with wireless.
a. _______________________________ –
b. _______________________________ –
c. _______________________________ –
d. _______________________________ –
44. What two network devices are required for a wireless network to function?
a.
b.
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
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4.3 Data Link Layer Protocols
45. List what the data link layer of the OSI model is responsible for.
a.
b.
c.
d.
e.
f.
g.
46. The data link layer is divided into two sublayers. List and describe both.
a. _______________________________ –
b. _______________________________ –
47. The technique used for getting the frame on and off the media is called the
_________________________________________________.
4.4 Media Access Control
48. Regulating the placement of data frames onto the media is controlled by the
_________________________________________________.
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Robb Jones & Kimberly Mentzeli
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49. List and explain what the actual media access control method used depends on.
a. _______________________________ –
b. _______________________________ –
50. The topology of a network is the arrangement or relationship of the network devices and the
interconnections between them. LAN and WAN topologies can be viewed in two ways. List and explain
both.
a. _______________________________ –
b. _______________________________ –
51. List and describe the physical topologies WANs are commonly interconnected with.
a. _______________________________ –
b. _______________________________ –
c. _______________________________ –
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
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52. List and describe the physical topologies that can be used to interconnect local LANs and end
devices.
a. _______________________________ –
b. _______________________________ –
c. _______________________________ –
D. _______________________________ –
53. Explain the following terms in detail.
a. Half-duplex communication –
b. Full-duplex communication –
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54. Some network topologies share a common medium with multiple nodes. These are called
______________________________________.
55. Some multi-access networks require rules to govern how devices share the physical media. List and
explain the two basic access control methods for shared media.
a. _______________________________ –
b. _______________________________ –
56. The Carrier Sense Multiple Access/Collision Detection (CSMA/CD) process is used in
_____________________ Ethernet LANs.
57. Explain how CMSA/CA differs from CSMA/CD?
58. The data link layer prepares a packet for transport across the local media by encapsulating it with a
_________________ and a _________________to create a frame.
59. Each data link layer frame type has three basic parts. These are:
a.
b.
c.
CCNA R&S 6.0 - Semester 1 – Introduction to Networks
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Robb Jones & Kimberly Mentzeli
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60. Label the frame field types.
61. Correctly label the following descriptions.
62. The data link layer provides addressing that is used in transporting a frame across a shared
______________________________.
63. An address that is device-specific and non-hierarchical cannot be used to locate a device on
_________________________ or the ___________________________.
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Robb Jones & Kimberly Mentzeli
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64. Addresses at layer 2 have no meaning beyond the local network. Compare this to Layer 3, where
addresses in the packet header are carried from the _________________________to the
_________________________, regardless of the number of network hops along the route.
65. List common data link layer protocols.
a.
b.
c.
d.
e.
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Robb Jones & Kimberly Mentzeli
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