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IT Essentials
Chapter 7: Networking Concepts
Section 7.0
This first section introduces the topics to be covered in the chapter.
Section 7.1
This section introduces some basic principles of networking and includes network media and
the basic types of networks such as LANs, MANs and WANs. The differences between a peer‐
to‐peer and a client/server network are discussed.
peer‐to‐peer network Client/server network
WAN, MAN, LAN, WLAN, PAN, Peer‐to‐Peer, Client/Server
Section 7.2
Section 2 begins with an introduction to standards organizations. On page 7.2.1.1 each
standard icon is a hyper‐link to that organization’s home page. Follow each link to obtain more
information regarding the organization. Protocols and the networking reference models are
covered next. Both the OSI model and the TCP/IP model are key concepts in networking:
Page 7.2.1.4 contains protocol information with reference to the TCP/IP model. The section
continues with describing protocol data units (PDU’s) and the process of encapsulation.
Wired and Wireless Ethernet standards conclude section 7.2.
Wireless Authentication
Section 7.3
This section gives an overview of some of the main components in a network such as modems,
hubs, bridges and switches. This topic includes an introduction to cables.
Page 7.3.2.7 introduces a Cisco made network simulation program called “Packet Tracer”.
The assignment here is to first download and install Packet Tracer (PT) version 7 from the Cisco
Networking Academy web site. Then open both the PDF for directions, and then the PT file.
Follow the directions in the PDF and complete the file. Submit only the PT file for grading.
Fiber cables have two main types:
Single Mode Fiber Multimode Fiber
Section 7.4
Network addressing is covered here and includes:
MAC addressing
IPv4 addressing
IPv6 addressing
IPv6 compression is demonstrated on page 7.4.1.6 figures 2, 3 and 4
Page 7.4.1.7 has a good video (7:53) differentiating between IPv4 and IPv6 addresses
Static and dynamic IP address assignment is differentiated on page 7.4.1.9
Page 7.4.1.12 is a PT activity
The topic ends with a discussion of the role and importance of the transport layer (TCP/UDP) and port
numbers.
TCP UDP
TCP vs. UDP activity:
Identify the port numbers:
Section 7.5
This is a one page summary of the chapter.
Assignments
Activities
7.1.1.5 – Identify Network Devices and Media Representations
7.1.2.8 – Network Types
7.2.1.9 – Place the OSI and TCP/IP Model Layers
7.3.1.6 – Identify Network Devices
7.3.2.5 – Activity 1 Cable Pinouts
7.3.2.5 – Activity 2 Cable Pinouts
7.4.2.7 – TCP vs. UDP
7.4.2.8 – Protocol Definitions and Ports
Labs
7.3.2.7 – Packet Tracer Cabling a Simple Network
7.4.1.12 – Packet Tracer Adding Computers to an Existing Network
Complete the Chapter Quiz, repeat until you reach a score of 100%
Complete the Chapter Test