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Section 6.5: Networking Media
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bet | 13/24 | Sana | 21.03.2017 | Hajmi | 484.29 Kb. |
Summary
This section discusses the following networking media:
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Coaxial cables:
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Components that make up a coaxial cable
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Advantages and disadvantages
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Grades of coaxial cable
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Connectors used with coaxial cable
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Twisted pair cables:
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Components that make up twisted pair cabling
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Advantages and disadvantages
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Grades of unshielded twisted pair (UTP) cable types
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Connectors used with twisted pair cables
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Fiber Optic cabling:
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Components that make up a fiber optic cable
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Advantages and disadvantages
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Types of multi-mode and single mode fiber cables
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Connector types for fiber optic cabling
Students will learn how to:
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Select the appropriate network card, cable, and connector type for a given network.
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Install a network card.
A Essentials Objectives: -
4.2 Categorize network cables and connectors and their implementations
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Plenum / PVC
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UTP (e.g. CAT3, CAT5 / 5e, CAT6)
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STP
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Fiber
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Coaxial cable
Lecture Focus Questions:
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What are the advantages of using coaxial cable? Disadvantages?
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Which coaxial cable grade is usually used with cable and satellite TV?
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Why are wires twisted together in twisted pair cables?
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What is the difference between STP and UTP cabling?
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What is the difference between Cat3 and Cat5 cable?
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Which connector type and cable grade is used to connect a cable modem to the Internet connection?
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What advantages do fiber optic cables offer over twisted pair or other media choices? What are the disadvantages to implementing fiber optic cables?
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What is the difference between single mode and multi-mode cables?
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How can you tell the difference between an ST and an SC connector?
Video/Demo Time
6.5.1 Cable Media 20:03
Lab/Activity -
Connect to an Ethernet Network
Number of Exam Questions
10 questions
Total Time
About 45 minutes
Section 6.6: IP Configuration Summary
This section explores configuration settings required to connect to a TCP/IP network. Concepts covered include:
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Required parameters:
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IP address
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Subnet mask
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Default gateway
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DNS server
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Host name
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Tools to manage network connections and network configuration
Students will learn how to:
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View the status of network connections.
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Configure basic IP configuration values necessary to connect to the Internet.
A Essentials Objectives: -
4.1 Summarize the basics of networking fundamentals, including technologies, devices and protocols
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Basics of configuring IP addressing and TCP/IP properties (DHCP, DNS)
Lecture Focus Questions:
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What service is used to automatically assign TCP/IP configuration information to hosts?
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When assigning IP addresses to hosts, which portions of the configuration must match values used by other hosts in the same subnet?
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A router has two network interfaces, each connected to a different subnet. When configuring the default gateway value on a host, which IP address would you use?
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What capability does the DNS server address provide? What would happen if the computer was not configured to use a DNS server?
Video/Demo Time
6.6.1 IP Configuration 13:48
6.6.2 Configuring TCP/IP Properties 5:52
6.6.5 Creating a Dial-up Internet Connection 2:20
Total 22:00
Lab/Activity -
Configure TCP/IP Settings
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Create a Dialup Internet Connection
Number of Exam Questions
5 questions
Total Time
About 40 minutes
Section 6.7: 802.11 Wireless Summary
In this section students will learn the basics of wireless networks. Concepts covered include:
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Wireless networking architecture:
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Devices
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Connection methods
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SSID (Service Set Identifier)
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IEEE standards
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802.11a
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802.11b
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802.11g
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802.11n
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802.11n technologies to improve speed or distance
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Multiple Input Multiple Output (MIMO)
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Channel bonding
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Details about wireless networks
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Authentication methods for wireless networks
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Standards to provide security for wireless networking:
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Wired Equivalent Privacy (WEP)
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Wi-Fi Protected Access (WPA)
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Wi-Fi Protected Access 2 (WPA2) or 802.11i
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Methods to limit access:
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Change the administrator account name and password
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Change SSID from defaults
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Enable MAC address filtering
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Disable DHCP
Students will learn how to:
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Configure a wireless connection.
A Essentials Objectives: -
4.3 Compare and contrast the different network types
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Wireless
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All 802.11 types
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WEP
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WPA
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SSID
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MAC filtering
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DHCP settings
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5.2 Summarize the following security features
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Wireless encryption
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WEPx and WPAx
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Client configuration (SSID)
Lecture Focus Questions:
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What type of device is required to create an infrastructure wireless network configuration?
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What is the purpose of an SSID?
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Which wireless standards are typically backwards compatible with 802.11a?
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Two access points are part of the same wireless network. Should they use the same or a different channel? Why?
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How does MIMO differ from channel bonding?
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Why can some 802.11g devices claim to support up to 108 Mbps when the standard has a limit of 54 Mbps?
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What happens to the speed of a wireless connection as you move away from the access point?
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You are using WEP for a small home network. Which authentication type should you use?
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Why should default security settings be changed when dealing with wireless networking?
Video/Demo Time
6.7.1 Wireless Networking 15:46
6.7.3 Wireless Security 10:23
6.7.5 Configuring a Wireless Connection 6:47
Total 32:56
Lab/Activity
Number of Exam Questions
13 questions
Total Time
About 65 minutes
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