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Spring 2011
 CSCI 27
Computer Networking
Course Overview
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Defined networks and stand-alone computers
Described network advantages
◦ Relative to stand-alone computer
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Discussed peer-to-peer networks
◦ Described traditional peer-to-peer networks
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Discussed client/server networks
Defined and compared LANs, MANs and
WANs
Network+ Guide to Networks, 5th
Edition
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Reviewed common client/server network
elements
Described various network services
Reviewed the networking profession
Presented overview of certifications available
Skill sets required for networking positions
and projects
Described advantages of joining professional
associations
Network+ Guide to Networks, 5th
Edition
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Standards and standard organizations
ISO’s OSI (Open Systems Interconnection)
model
◦ Seven layers
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IEEE’s Project 802
Significant IEEE 802 standards
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Network+ Guide to
Networks, 5th Edition
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Transmission methods
◦ Analog or digital
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Data modulation
Multiplexing
Basic data transmission concepts
◦ Full duplexing, attenuation, latency, noise
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Transmission flaws
◦ Noise, attenuation, latency
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Network+ Guide to
Networks, 5th Edition
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Media characteristics
◦ Throughput, cost, size and scalability, connectors,
noise immunity Media
◦ Coaxial, Twisted pair, Fiber-optic
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DTE and DCE connector cables
◦ DB-9 and DB-25
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Structured cabling
◦ TIA/EIA joint 568 Commercial Building Wiring
Standard
◦ Components
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Best practices
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Network+ Guide to
Networks, 5th Edition
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TCP/IP suite
◦ Core protocol and subprotocol introduction
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IPv4 addressing
◦ Binary and dotted decimal notation
◦ Subnetting
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Assigning addresses: BOOTP, DHCP, APIPA
IPv6 addressing
Sockets and Ports
Domain names, Host files, DHCP, DNS
Other application layer protocols
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Network+ Guide to
Networks, 5th Edition
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Physical topology
◦ Basic network physical layout
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Logical topology
◦ Signal transmission
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Network backbones
◦ Network foundation
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Switching
◦ Manages packet filtering, forwarding
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Ethernet
◦ Cabling specifications, data frames, PoE
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Network+ Guide to
Networks, 5th Edition
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NIC interface cards
◦ Types, installation, testing, IRQ use, Base I/O port use,
firmware settings, selection
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Repeater and hubs
Bridges
Switches
◦ Installation, switching methods, VLANs and trunking,
STP (Spanning Tree Protocol), Content and Multilayer
Switches
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Router characteristics and functions, protocols
Gateways and other multifunction devices
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WAN Topologies
PSTN and dial-up considerations
High speed digital data transmission
◦ Physical layer: ISDN, T-carriers, DSL, SONET
◦ Data Link layer: X.25, frame relay, ATM
◦ Physical and Data link: broadband
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Remote connectivity
Remote virtual computing
VPNs
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Network+ Guide to
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WLAN Architecture characteristics
Popular WLAN Physical, Data Link layer
standards
Wireless signal exchange
Small WLAN considerations
Larger, enterprise-wide WAN formation
Installing, configuring access points, clients
WLAN Pitfalls
MANs, WANs wireless transmission
Satellite Internet Access characteristics
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Network+ Guide to
Networks, 5th Edition
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Characteristics common to all NOS
◦ Systems and servers, client support, identifying and
organizing network elements, sharing applications
and printers, managing system resources
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Windows Server 2008 network structure
Unix and Linux concepts and features
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Network+ Guide to
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This chapter covered:
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Designing TCP/IP-Based Networks
Subnetting
CIDR
Internet gateways
Address translation
TCP mail services
Utility commands
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Network+ Guide to
Networks, 5th Edition
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Basic Terminology
VoIP
◦ Analog phones, IP phones, softphones
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Video over IP
◦ Streaming Video, IPTV, videoconferencing
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Signaling protocols
Session control protocols
Transport protocols
QoS (Quality of Service) Assurance
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Network+ Guide to
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Risks and auditing
Security policy
Network security risk points
Routers
Firewalls
Encryption
Authentication
Wireless access
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Network+ Guide to
Networks, 5th Edition
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Methodical, logical troubleshooting
methodology
◦ Key to solving network problems
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Troubleshooting tools
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Tone generator and tone locator
Multimeters
Basic cable continuity testers
Cable performance tester
Voltage event recorder
Butt set
Network monitors and protocol analyzers
Wireless network testing tools
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Network+ Guide to
Networks, 5th Edition
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System integrity and availability
Malware issues
◦ Types, characteristics, protection mechanisms
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Fault tolerance issues and resolutions
◦ Physical environment, power techniques
◦ Topology and connectivity techniques
◦ Server and storage techniques
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Data backup
◦ Media, strategy
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Disaster recovery concerns and techniques
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Network+ Guide to
Networks, 5th Edition
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Network management
◦ Assessing, monitoring, and maintaining network
devices and connections
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Importance of network documentation and
policies
Network management applications
System logs and event logs, traffic shaping,
caching, asset management system
Upgrade types and considerations
◦ Software, hardware
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Network+ Guide to
Networks, 5th Edition