Section 6.5: Networking Media

A Essentials Objectives:

• 
  4.2 Categorize network cables and connectors and their implementations
  

• 
  Cables
  

• 
  Plenum / PVC
  
• 
  UTP (e.g. CAT3, CAT5 / 5e, CAT6)
  
• 
  STP
  
• 
  Fiber
  
• 
  Coaxial cable
  

• 
  Connectors
  

• 
  RJ45
  
• 
  RJ11
  

• 
  What are the advantages of using coaxial cable? Disadvantages?
  
• 
  Which coaxial cable grade is usually used with cable and satellite TV?
  
• 
  Why are wires twisted together in twisted pair cables?
  
• 
  What is the difference between STP and UTP cabling?
  
• 
  What is the difference between Cat3 and Cat5 cable?
  
• 
  Which connector type and cable grade is used to connect a cable modem to the Internet connection?
  
• 
  What advantages do fiber optic cables offer over twisted pair or other media choices? What are the disadvantages to implementing fiber optic cables?
  
• 
  What is the difference between single mode and multi-mode cables?
  
• 
  How can you tell the difference between an ST and an SC connector?
  

Video/Demo Time

Lab/Activity

• 
  Connect to an Ethernet Network
  

Number of Exam Questions

Total Time

Section 6.6: IP Configuration

Summary

• 
  Required parameters:
  
  • 
    IP address
    
  • 
    Subnet mask
    
  • 
    Default gateway
    
  • 
    DNS server
    
  • 
    Host name
    
• 
  Tools to manage network connections and network configuration
  

Students will learn how to:

• 
  View the status of network connections.
  
• 
  Configure basic IP configuration values necessary to connect to the Internet.
  

A Essentials Objectives:

• 
  3.2 Given a scenario, demonstrate proper use of user interfaces
  

• 
  My Network Places
  

• 
  4.1 Summarize the basics of networking fundamentals, including technologies, devices and protocols
  

• 
  Basics of configuring IP addressing and TCP/IP properties (DHCP, DNS)
  

• 
  What service is used to automatically assign TCP/IP configuration information to hosts?
  
• 
  When assigning IP addresses to hosts, which portions of the configuration must match values used by other hosts in the same subnet?
  
• 
  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?
  
• 
  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

Lab/Activity

• 
  Configure TCP/IP Settings
  
• 
  Create a Dialup Internet Connection
  

Number of Exam Questions

Total Time

Section 6.7: 802.11 Wireless

Summary

• 
  Wireless networking architecture:
  
  • 
    Devices
    
  • 
    Connection methods
    
  • 
    SSID (Service Set Identifier)
    
• 
  IEEE standards
  
  • 
    802.11a
    
  • 
    802.11b
    
  • 
    802.11g
    
  • 
    802.11n
    
• 
  802.11n technologies to improve speed or distance
  
  • 
    Multiple Input Multiple Output (MIMO)
    
  • 
    Channel bonding
    
• 
  Details about wireless networks
  
• 
  Authentication methods for wireless networks
  
  • 
    Open
    
  • 
    Shared key
    
  • 
    802.1x
    
• 
  Standards to provide security for wireless networking:
  
  • 
    Wired Equivalent Privacy (WEP)
    
  • 
    Wi-Fi Protected Access (WPA)
    
  • 
    Wi-Fi Protected Access 2 (WPA2) or 802.11i
    
• 
  Methods to limit access:
  
  • 
    Change the administrator account name and password
    
  • 
    Change SSID from defaults
    
  • 
    Enable MAC address filtering
    
  • 
    Disable DHCP
    

• 
  Configure a wireless connection.
  

A Essentials Objectives:

• 
  4.3 Compare and contrast the different network types
  
  • 
    Wireless
    
    • 
      All 802.11 types
      
    • 
      WEP
      
    • 
      WPA
      
    • 
      SSID
      
    • 
      MAC filtering
      
    • 
      DHCP settings
      
• 
  5.2 Summarize the following security features
  
  • 
    Wireless encryption
    
    • 
      WEPx and WPAx
      
    • 
      Client configuration (SSID)
      

• 
  What type of device is required to create an infrastructure wireless network configuration?
  
• 
  What is the purpose of an SSID?
  
• 
  Which wireless standards are typically backwards compatible with 802.11a?
  
• 
  Two access points are part of the same wireless network. Should they use the same or a different channel? Why?
  
• 
  How does MIMO differ from channel bonding?
  
• 
  Why can some 802.11g devices claim to support up to 108 Mbps when the standard has a limit of 54 Mbps?
  
• 
  What happens to the speed of a wireless connection as you move away from the access point?
  
• 
  You are using WEP for a small home network. Which authentication type should you use?
  
• 
  Why should default security settings be changed when dealing with wireless networking?
  

Video/Demo Time

Lab/Activity

• 
  Connect to a Wireless Network
  
• 
  Configure a Wireless Profile
  

Number of Exam Questions

Total Time