Summary
This section provides an overview of network hardware. Concepts covered include:
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Hardware devices used on a network:
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Media
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Network adapter
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Hub
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Switch
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Router
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Bridge
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Details about network adapters
PC Pro Exam Objectives: -
Given a scenario and networking requirements, select the necessary connectivity hardware (such as wired network adapters, wireless network adapters, and networking devices).
A+ 220-801 Exam Objectives: -
2.9 Compare and contrast network devices their functions and features.
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Hub
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Switch
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Router
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Access point
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Bridge
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Modem
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NAS
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Firewall
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VoIP phones
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Internet appliance
A+ 220-802 Exam Objectives: -
1.6 Setup and configure Windows networking on a client/desktop.
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Network card properties
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Half duplex/full duplex/auto
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Speed
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Wake-on-LAN
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PoE
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QoS
Lecture Focus Questions:
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What is the transmission medium for wireless networks?
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What is the difference between half-duplex mode and a full-duplex mode?
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What are the main differences between a hub and a switch? What makes a switch a better choice for many networks?
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Which device would you use to connect two network segments with different subnet addresses?
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What type of device connects hosts using different transmission media on the same subnet?
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What letters are used in Ethernet standards to identify copper cables?
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Which networking types are most readily available in every part of the country?
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How does DSL provide support for both analog and digital data on the same telephone line?
Video/Demo Time
6.2.1 Network Devices 1 16:18
6.2.2 Network Devices 2 15:46
6.2.4 Networking Adapters 12:13
Total 44:17
Lab/Activity -
Select and Install a Network Adapter
9 questions
Total Time
About 65 minutes
Section 6.3: Networking Media 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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Concentric metallic conductors
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Insulator
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PVC sheath
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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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Phone cable
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Cat 3
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Cat 5
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Cat 5e
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Cat 6
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Connectors used with twisted pair cables
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Cable configurations:
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Straight-through
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Cross-over
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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 fiber cables
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Connector types for fiber optic cabling:
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ST Connector
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SC Connector
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LC Connector
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MT-RJ Connector
Students will learn how to:
PC Pro Exam Objectives: -
Identify Ethernet networking cables and connectors by sight or name.
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Given a scenario and networking requirements, select the necessary connectivity hardware (such as wired network adapters, wireless network adapters, and networking devices).
A+ 220-801 Exam Objectives: -
2.1 Identify types of network cables and connectors.
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Fiber
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Connectors: SC, ST and LC
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Twisted Pair
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Connectors: RJ-11, RJ-45
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Wiring standards: T568A, T568B
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Coaxial
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2.2 Categorize characteristics of connectors and cabling.
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Fiber
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Types (single-mode vs. multi-mode)
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Speed and transmission limitations
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Twisted pair
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Types: STP, UTP, CAT3, CAT5, CAT5e, CAT6, plenum, PVC
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Speed and transmission limitations
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Coaxial
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Types: RG-6, RG-59
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Speed and transmission limitations
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
6.3.1 Cable Media 19:59
Number of Exam Questions
13 questions
Total Time
About 45 minutes
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