Exam Essentials

Chapter 1-

1. Identify the possible cause of LAN traffic congestion-
2. Describe the difference between a collision domain and a broadcast domain
3. Differentiate a MAC address and an IP address and describe how and when each address type is used in a network
4. Understand the difference between a Hub, a bridge, a switch and a router
5. Identify the functions and advantages of routers
6. Differentiate connection-oriented and connection less network services and describe how each is handled during network communications
7. Define the OSI layers, understand the function of each, describe how devices and networking protocols can be mapped to each layer

Chapter 2

1. Describe the operation of Carrier Sense Multiple access with Collision Detection(CSMA/CD)
2. Differentiate half-duplex and full-duplex communication and define the requirements to utilize each method
3. Describe the sections of a MAC address and the information contained in each section
4. Identify the binary and hexadecimal equivalent of a decimal number
5. Identify the binary and hexadecimal of a decimal number
6. Identify the fields in the data link portion of an Ethernet frame
7. Identify the IEEE physical standards for Ethernet cabling
8. Differentiate types of Ethernet cabling and identify their proper application
9. Describe the data encapsulation process and the role it plays in packet creation
10. Understand how to connect a console cable from a PC to a router and switch
11. Identify the layers in the Cisco three layer model and describe the ideal function of each layer.

Chapter 3(Page 127)

1. Differentiate between the DoD and the OSI network models
2. Identify Process/Application layer protocols-
3. Identify Host-to-Host Layer protocols
4. Identify Internet Layer protocols
5. Describe the Functions of DNS and DHCP on a network
6. Identify what is contained in the TCP header of a connection-oriented transmission
7. Identify what is contained in the UDP header of a connectionless transmission
8. Identify what is contained in the IP header
9. Compare and contrast UDP and TCP characteristics and features
10. Understand the role of port numbers
11. Identify the role of ICMP
12. Define the class A IP address range
13. Define the class B IP address range
14. Define the Class C IP address range
15. Identify the private IP ranges
16. Understand the difference between a broadcast, Unicast and multicast address

Chapter 4(Page 166)

1. Identify the advantages of subnetting
2. Describe the effect of the IP subnet-zero Command
3. Identify the steps to subnet a classful network
4. Determine the possible block sizes
5. Describe the role of a subnet mask in IP addressing
6. Understand and apply the 2^x-2 formula
7. Explain the impact of classless inter-domain routing(CIDR)